Applies to

Surface Book, Surface Pro 4, Surface Pro 3, Surface 3, Surface Pro 2, Surface Pro.

Applies to

Surface 2, Surface RT.

Applies to

Surface Pro 3, Surface 3, Surface Pro 2, Surface Pro.

Applies to

Surface 2, Surface RT.

Operating system:

Surface battery and power

Your Surface uses an internal lithium-ion battery. The amount of time your battery lasts will vary depending on the kinds of things you do with your Surface.


How much battery charge is left?

The battery status appears in several places:
  • Lock screen. When you wake your Surface, the battery status appears in the lower-right corner of the lock screen.
Battery icon on the lock screen
  • Desktop taskbar. Battery status appears at the right side of the taskbar. Select the battery icon for info about the charging and battery status, including the percent remaining.
Battery icon in the taskbar

Windows alerts you when the battery starts to get low. When you’re alerted, be sure to attach the power supply. If you don’t recharge the battery, your Surface will eventually save your work and shut down.

Charging your Surface

When the battery is low, charge your Surface using the included power supply.

Important
Your Surface is designed to work best with the included power supply. Using a third-party power supply may result in slow charging.

Charge Surface Pro models and Surface Book

Step 1: Connect the two parts of the power cord.
Step 2: Connect the power cord securely to the charging port on your Surface.
Step 3: Plug the power supply into an electrical outlet.

Charge Surface 3

Step 1: Plug the Micro USB connector into the Micro USB charging port with the power cord extending downward and the light on the connector facing toward you.
Step 2: Plug the full-size USB connector on the other end of the cord into the power supply.
Step 3: Plug the power supply into an electrical outlet.
Surface 3 Micro USB charging port, and connector with light

Is it charging?

While your Surface is charging, a small light appears on the connector to show your Surface is getting power. If the light doesn’t appear, see Surface won’t turn on, Windows won’t start, or the battery won’t charge.

To make sure your Surface is charging, look in the lower-left corner of the taskbar for the battery status. When your Surface is charging, the battery icon appears with an electrical plug. Once the battery is fully charged, you can remove the power cord from the charging port.

How long does it take to charge Surface?

It can take a few hours to charge the battery fully from an empty state. It can take longer if you’re using your Surface for power-intensive activities like gaming or video streaming while you’re charging it.

The batteries in Surface Book may also charge at different rates, depending on the power state of each battery. Whichever battery has less than 20 percent remaining charge will be charged first. When both batteries reach this level, the clipboard will charge to 85 percent, and then both batteries will charge to 100 percent.

Having battery or power problems?

If your Surface won’t turn on, the battery isn’t charging, or you see a low-battery warning, see Surface won’t turn on, Windows won’t start, or the battery won’t charge.

USB charging port (Surface Book and Surface Pro models only)

The power supply that comes with Surface Book and Surface Pro models includes a USB port. You can use it to charge other devices, like a phone, while your Surface charges.

Note

The Surface Pro 4 with Core M processor does not have a USB port on the charger.

The USB port on the power supply is only for charging, not for data transfer. Your Surface won’t recognize devices connected to the USB port on the power supply. If you want to use a USB device, plug it into the USB port on your Surface. For more info, see Connect a USB mouse, printer, and more.

On, off, sleep, and restart

If you don’t use your Surface for a while, the screen may dim or your Surface may go into a power-saving sleep state to preserve battery life. In Settings, you can change when your Surface enters this power-saving state.

Change when the display dims and turns off

Step 1: Go to Start Windows logo, and select Settings > System > Power and sleep.
Step 2: Under Screen, select when you want to dim the display when your Surface is running on battery and when it’s plugged in.

Turn off your Surface

  • Go to Start Windows logo, and select Power > Shut down.

Making your battery last

Here are some ways to make your battery charge last longer:

Surface and Windows updates

Installing the latest updates will help keep your Surface performing at its best. Get available updates via Settings > Update & security > Windows Update.

Adjust Power & sleep settings

Open the Settings > System > Power & sleep settings and consider lowering the timeout values for Screen and Sleep to the lowest reasonable amount for how you use the device.

For other ways to save power, consider enabling the Save me power when my device knows I’m away setting and disabling the On battery power, stay connected to network while asleep setting, if they are available to you.

Reduce screen brightness. Lowering the brightness to the lowest reasonable level for how the device is currently used can help save power. Just open Action Center from the notification area or swipe in from the right and tap Brightness to switch among the available levels.

To set the Power & sleep and Screen settings to recommend values, run the “Improve power usage” troubleshooter. This troubleshooter will find and fix problems with the power settings to conserve power and extend battery life. To open the troubleshooter, search for troubleshooting, and then select Improve power usage from the search results.

Adjust Battery settings

Battery saver extends battery life by limiting background activity and push notifications. Open the Settings > System > Battery settings, and then:

  • Make sure that Turn battery saver on automatically is enabled. Also consider raising the battery percentage for when battery saver will turn on to provide more reserve power if needed and enabling Lower screen brightness while in battery saver.
  • Open Battery usage by app to view which apps are most responsible for consuming battery power and set them to run in the background, if that option is available.

You can also turn battery saver on at any time to save energy. Just open Action Center from the notification area or swipe in from the right and tap Battery saver to toggle it on or off.

Wi-Fi, Cellular, and Bluetooth

  • Turn off Wi-Fi. If you don’t need Wi-Fi for a while, turn it off to conserve battery life. Just open Action Center from the notification area or swipe in from the right and tap Wi-Fi to toggle it on or off.
  • Turn on Airplane mode. If you don’t need Wi-Fi, Cellular (if available), or Bluetooth for a while, turn on Airplane mode to conserve battery life. Just open Action Center from the notification area or swipe in from the right and tap Airplane mode to toggle it on or off.

Other settings and advice

  • Cortana - When Hey Cortana is enabled, Cortana responds to “Hey Cortana.” Cortana is always ready when this option is on, which uses more battery power. Consider disabling this option if you don’t use it often. Open Cortana > Settings to adjust this setting, if it’s available to you.
  • USB
    • Turn off or remove devices you aren’t using. Many USB devices use power just by being connected, so you might want to unplug these devices when you’re not using them.
    • Use a powered USB hub. Using an unpowered USB device can quickly drain your battery. Instead, plug the accessory into a powered USB hub that’s plugged into an electrical outlet, and then plug the hub into your Surface.

Battery care

Operating temperature. Surface is designed to work between 32°F and 95°F (or 0°C to 35°C). Lithium-ion batteries are sensitive to high temperatures, so keep your Surface out of the sun and don’t leave it in a hot car.

Recharge any time. The battery doesn’t need to be empty or low before you recharge. You can recharge the battery whenever you like. However, it’s best to let the battery run to below 10 percent at least once per month before you recharge it.

Battery warranty. If your Surface battery is found to be defective during the warranty period, it is covered under the standard Surface Warranty. For more details about the Surface Warranty or for extended warranty coverage, see Surface standard warranty and Microsoft Complete for Surface.

Power cord care

Power cords, like any other metal wire or cable, can be weakened or damaged if repeatedly twisted or bent in the same spot. Here are a few things you can do to keep your power cord from being damaged:

  • Avoid twisting or pinching your power cord.
  • Don’t wrap your power cord too tightly, especially around the power brick. Instead, wrap it using loose coils rather than tight angles.
Correct: Cord wrapped loosely
Correct: Cord wrapped loosely
Incorrect: Cord wrapped too tightly
Incorrect: Cord wrapped too tightly
  • Inspect your power cord regularly, especially where it joins the power brick.
  • Avoid pulling on the power cord when unplugging your Surface. Gently removing the connector from the charging connector can help prevent your power cord from being damaged.
Correct: Unplugging gently
Correct: Unplugging gently
Incorrect: Tugging on cord to unplug
Incorrect: Tugging on cord to unplug

If you find any damage on any part of your Surface charger’s cords, stop using the cord and contact us for support options.


Surface battery and power

Your Surface uses an internal lithium-ion battery designed to go everywhere you go. The amount of time your battery lasts varies depending on the kinds of things you do with your Surface.


How much battery charge is left?

The battery status appears in a few places:
  • Lock screen. When you wake your Surface, the battery status appears in the lower-left corner on the lock screen.
  • Charms. When you swipe in from the right edge of the screen, the battery status appears in the lower-left corner of the screen.
Battery icon on the Charms menu
  • Desktop taskbar. Battery status appears at the right side of the taskbar. Select the battery icon for info about the charging and battery status, including the percent remaining.
  • To learn more about the battery icon and status, see Battery: Frequently asked questions.
Battery status at the desktop

Windows alerts you when the battery starts to get low. When you’re alerted, be sure to attach the power supply. If you don’t recharge the battery, your Surface will eventually save your work and shut down.

Charging Surface

When the battery is low, charge your Surface using the included 24-watt power supply. Here’s how:

Step 1: Insert the plug into an electrical outlet or power strip.
Step 2: Connect the power cord to the charging port on your Surface. It clicks into place (either direction works).
Once connected, a small light appears at the end of the connector to show that your Surface is getting power.
Surface 2 power supply light
Surface 2

If the light doesn’t appear, see Surface won’t turn on, Windows won’t start, or the battery won’t charge.

To make sure your Surface is charging, swipe in from the right edge of the screen, and look in the lower-left corner for the battery status. When charging, the battery icon appears with an electrical plug. Once the battery is fully charged, you can remove the power cord from the charging port.

Note
You can’t charge your Surface RT or Surface 2 using its built-in USB port. Instead, use the included power supply. You can also use the Surface Car Charger with USB Port to charge your Surface and another USB device (such as your phone) while you’re traveling in your car. For more info on the car charger, see Surface accessories.

How long does it take to charge my Surface?

It takes two to three hours to charge your Surface RT or Surface 2 battery fully from an empty state.

Having battery or power problems?

If your Surface won’t turn on, the battery isn’t charging, or you see a low-battery warning, see Surface won’t turn on, Windows won’t start, or the battery won’t charge.

Additional power supplies

You can buy an extra 24-watt power supply or a 48-watt power supply with a USB charging port. The 48-watt power supply doesn’t charge Surface RT or Surface 2 faster than the 24-watt power supply, but its USB port is handy when you want to charge a cell phone or other USB device while your Surface charges.

For more info, see Surface accessories.

On, off, InstantGo, restart

There's really no need to turn off (shut down) your Surface completely. If you don’t use your Surface for a few minutes, it goes into a power-saving sleep state called InstantGo in which the screen turns off and locks. When this happens, your Surface stays connected to your wireless network, and app notifications (such as how many new email messages you have) appear on the lock screen.

Change when your Surface sleeps

You can change when your Surface sleeps. Here’s how:

Step 1: Swipe in from the right edge of the screen, and select Settings.
(If you're using a mouse, point to the lower-right corner of the screen, move the mouse pointer up, and select Settings.)
Step 2: Select Change PC settings > PC and devices > Power and sleep.
Step 3: Under Sleep, select when you want your Surface to sleep when your Surface is running on battery and when it’s plugged in.

Note

A power plan is a collection of hardware and system settings that control how your Surface uses power. For more info about power plans, see Power Plans: FAQ (Surface RT and Surface 2 support InstantGo.)

Turn off your Surface

Step 1: Swipe in from the right edge of the screen, and select Settings.
(If you're using a mouse, point to the lower-right corner of the screen, move the mouse pointer up, and select Settings.)
Step 2: Select Power > Shut down.

For more info, see Surface power states.

Battery: Making it last

Here are some ways you can help make your battery last longer:

  • Reduce the screen brightness. Open the Settings charm, select Screen, and move the slider. The brighter the screen, the more power it uses.
  • Turn off Wi-Fi. If you don’t need Wi-Fi for a while, you can turn it off to conserve battery life. To do this, open the Settings charm, select wireless network Wireless network icon, and slide Wi-Fi to Off.
  • Turn on Airplane mode. If you don’t need Wi-Fi and Bluetooth for a while, turn on Airplane mode to conserve battery life. Open the Settings charm, select wireless network Wireless network icon, and slide Airplane mode to On.
  • Turn off or remove devices that you aren't using. Many USB devices use power just by being connected, so you might want to unplug these devices when you're not using them.
  • Turn off mobile broadband. If you have a Surface 2 model with mobile broadband (4G), you can switch off your mobile broadband connection to conserve battery power. Open the Settings charm, select wireless network Wireless network icon, and slide Mobile broadband to Off.
  • Use a powered USB hub. Using an unpowered USB device can quickly drain your battery. Plug the accessory into a powered USB hub plugged into an electrical outlet, and then plug the hub into your Surface.

Battery care

  • Operating temperature. Surface is designed to work between 32°F and 95°F (or 0°C to 35°C). Lithium-ion batteries are sensitive to high temperatures, so keep your Surface out of the sun and don’t leave it in a hot car.
  • Recharge any time. The battery doesn’t need to be empty or low before you recharge. You can recharge the battery whenever you’d like. However, it’s best to let the battery run to below 10 percent at least once per month before you recharge it.
  • Battery warranty. If your Surface battery is found to be defective during the warranty period, it is covered under the standard Surface Warranty. For more details about the Surface Warranty or for extended warranty coverage, see Surface standard warranty and Microsoft Complete for Surface.


Surface battery and power

Your Surface uses an internal lithium-ion battery designed to go everywhere you go. The amount of time your battery lasts varies depending on the kinds of things you do with your Surface.


How much battery charge is left?

The battery status appears in a few places:
  • Lock screen. When you wake Surface, the battery status appears on the lock screen (lower-left corner).
  • Charms. When you swipe in from the right-edge of the screen, the battery status appears in the lower-left corner of the screen.
Battery icon on the lock screen
  • Desktop taskbar. Battery status appears in the lower-right in the taskbar. Tap or click the battery icon for info about the charging and battery status, including the percent remaining.
  • To learn more about the battery icon and status, see Battery: Frequently asked questions.
Battery status at the desktop

Windows alerts you when the battery starts to get low. When you’re alerted, be sure to attach the power supply. If you don’t recharge the battery, Surface will eventually save your work and shut down.

Charging Surface

When the battery is low, charge your Surface using the included power supply.

Important
Your Surface is designed to work best with the included power supply. Using a third-party power supply may result in slow charging.

Charge Surface Pro, Surface Pro 2, or Surface Pro 3

Step 1: Connect the two parts of the power cord.
Step 2: Connect the power cord securely to the charging port.
Step 3: Plug the power supply into an electrical outlet.

Surface Pro 3: When your Surface Pro 3 battery is charged fully, it should last for up to 9 hours for web browsing.1

1 Testing consisted of full battery discharge while Internet browsing over Wi-Fi. Internet browsing was tested browsing 25 popular webpages. All settings were default except: Wi-Fi was associated with a network, Auto-Brightness was disabled, and the Bluetooth Radio was turned off. Battery life varies with settings, usage, and other factors. Games, movies, and music sold separately.

Charge Surface 3

Step 1: Plug the Micro USB connector into the Micro USB charging port with the power cord extending downward and the light on the connector facing toward you.
Step 2: Plug the full-size USB connector on the other end of the cord into the power supply.
Step 3: Plug the power supply into an electrical outlet.
Surface 3 Micro USB charging port, and connector with light

When your Surface 3 battery is charged fully, it should last for up to 10 hours of video playback.2

2 Testing conducted by Microsoft in March 2015 using 128 and 64 GB units with 4 GB RAM. Testing consisted of full battery discharge during video playback. All settings were default except: Wi-Fi was associated with a network, and Auto-Brightness disabled. Battery life varies significantly with settings, usage, and other factors.

Is it charging?

While Surface is charging, a small light appears on the connector to show that Surface is getting power. If the light doesn’t appear, see Surface won’t turn on, Windows won’t start, or the battery won’t charge.

To make sure your Surface is charging, swipe in from the right edge of the screen, and look in the lower-left corner for the battery status. When Surface is charging, the battery icon appears with an electrical plug. Once the battery is fully charged, you can remove the power cord from the charging port.

How long does it take to charge Surface?

It takes 2-4 hours to charge the battery fully from an empty state. It can take longer if you’re actively using Surface for power-intensive activities like gaming or video streaming.

Having battery or power problems?

If Surface won’t turn on, the battery isn’t charging, or if you see a low-battery warning, see Surface won’t turn on, Windows won’t start, or the battery won’t charge.

USB charging port (Surface Pro models only)

The power supply that comes with Surface Pro models includes a USB port. You can use it to charge other devices, like a phone, while your Surface charges.

The USB port on the power supply is only for charging only, not for data transfer. Devices connected to the USB port aren’t recognized by Surface. If you want to use a USB device, plug it into the USB port on Surface. For more info, see Connect a USB mouse, printer, and more.

On, off, sleep, restart

If you don’t use your Surface for a while, the screen may dim, or Surface may go into a power-saving sleep state to preserve battery life. You can change the settings for when the screen dims and turns off.

Change when the display dims and turns off

You can change when the screen dims or turns off. Here’s how:

Step 1: Swipe in from the right edge of the screen, and tap Settings.
(If you're using a mouse, point to the lower-right corner of the screen, move the mouse pointer up, and click Settings.)
Step 2: Tap or click Change PC settings, and tap or click PC and devices.
Step 3: Tap or click Power and sleep, and under Screen, select when you want to dim the display when Surface is running on battery and when it’s plugged in.
Note

A power plan is a collection of hardware and system settings that control how your Surface uses power. For more info about power plans, see Power Plans: Frequently asked questions.

Turn off Surface

Step 1: Swipe in from the right edge of the screen, and tap or click Settings.
Step 2: Tap or click Power, and tap or click Shut down.

Battery: Making it last

Here are some ways you can help make your battery last longer:

  • Reduce the screen brightness. Open the Settings charm, tap or click Screen, and move the slider. The brighter the screen, the more power it uses.
  • Turn off Wi-Fi. If you don’t need Wi-Fi for a while, you can turn it off to conserve battery life. To do this, open the Settings charm, tap or click wireless network Wireless network icon icon, and slide Wi-Fi to Off.
  • Turn on Airplane mode. If you don’t need Wi-Fi and Bluetooth for a while, this is another action you can take to conserve battery life. Open the Settings charm, tap or click wireless network Wireless network icon, and slide Airplane mode to On.
  • Turn off or remove devices that you aren't using. Many USB devices use power just by being connected, so you might want to unplug these devices when you're not using them.
  • Choose a power plan that saves power. A power plan is a collection of settings that control how your Surface uses power. To learn about power plans, see Power plans: Frequently asked questions.
  • Use a powered USB hub. Using an unpowered USB device can quickly drain your battery. Plug the accessory into a powered USB hub plugged into an electrical outlet, and then plug the hub into your Surface.

Battery care

  • Operating temperature. Surface is designed to work between 32°F and 95°F (or 0°C to 35°C). Lithium-ion batteries are sensitive to high temperatures, so keep your Surface out of the sun and don’t leave it in a hot car.
  • Recharge anytime. The battery doesn’t need to be empty or low before you recharge. You can recharge the battery whenever you’d like. However, it’s best to let the battery run to below 10 percent at least once per month before you recharge it.
  • Battery warranty. If your Surface battery is found to be defective during the warranty period, it is covered under the standard Surface Warranty. For more details about the Surface Warranty or for extended warranty coverage, see Surface standard warranty and Microsoft Complete for Surface.

Power cord care

Power cords, like any other metal wire or cable, can be weakened or damaged if repeatedly twisted or bent in the same spot. Here are a few things you can do to look after your power cord:

  • Avoid twisting or pinching your power cord.
  • Don’t wrap your power cord too tightly, especially around the power brick. Instead try to wrap it using loose coils rather than tight angles.
Correct: Cord wrapped loosely
Correct: Cord wrapped loosely
Incorrect: Cord wrapped too tightly
Incorrect: Cord wrapped too tightly
  • Inspect your power cord regularly, especially where it joins the power brick.
Correct: Unplugging gently
Correct: Unplugging gently
Incorrect: Tugging on cord to unplug
Incorrect: Tugging on cord to unplug
  • If you find any damage on any part of your Surface charger’s cords, stop using the cord and contact us for support options.

Surface battery and power

Your Surface uses an internal lithium-ion battery designed to go everywhere you go. The amount of time your battery lasts varies depending on the kinds of things you do with your Surface.


How much battery charge is left?

The battery status appears in a few places:
  • Lock screen. When you wake Surface, the battery status appears on the lock screen (lower-left corner).
  • Charms. When you swipe in from the right-edge of the screen, the battery status appears in the lower-left corner of the screen.
Battery icon on the lock screen
  • Desktop taskbar. Battery status appears in the lower-right in the taskbar. Tap or click the battery icon for info about the charging and battery status, including the percent remaining.
  • To learn more about the battery icon and status, see Battery: Frequently asked questions.
Battery status at the desktop

Windows alerts you when the battery starts to get low. When you’re alerted, be sure to attach the power supply. If you don’t recharge the battery, Surface will eventually save your work and shut down.

Charging Surface

When the battery is low, charge your Surface using the included 24-watt power supply. Here’s how:

Step 1: Insert the plug into an electrical outlet or power strip.
Step 2: Connect the power cord to the charging port on your Surface. It clicks into place (either direction works).
Once connected, a small light appears at the end of the connector to show that Surface is getting power.

If the light doesn’t appear, see Surface won’t turn on, Windows won’t start, or the battery won’t charge.

Surface 2
Surface 2

To make sure your Surface is charging, swipe in from the right edge of the screen, and look in the lower-left corner for the battery status. When charging, the battery icon appears with an electrical plug. Once the battery is fully charged, you can remove the power cord from the charging port.

Note
You can’t charge Surface RT or Surface 2 using its built-in USB port. Instead, use the included power supply. You can also use the Surface Car Charger with USB Port to charge Surface and another USB device (such as your phone), while you’re traveling in your car. For more info on the Car Charger, see Surface accessories.

How long does it take to charge my Surface?

It takes 2 to 3 hours to charge your Surface RT or Surface 2 battery fully from an empty state.

Having battery or power problems?

If your Surface won’t turn on, the battery isn’t charging, or you see a low-battery warning, see Surface won’t turn on, Windows won’t start, or the battery won’t charge.

Additional power supplies

You can buy an extra 24-watt power supply or a 48-watt power supply with a USB charging port. The 48-watt power supply doesn’t charge Surface RT or Surface 2 faster than the 24-watt power supply, but its USB port is handy when you want to charge a cell phone or other USB device while your Surface charges.

For more info, see Surface accessories.

On, off, InstantGo, restart

There's really no need to turn off (shut down) Surface completely. If you don’t use your Surface for a few minutes, it goes into power-saving sleep state called InstantGo in which the screen turns off and locks. When this happens, your Surface stays connected to your wireless network and app notifications (such as how many new email messages you have) appear on the lock screen.

Change when your Surface sleeps

You can change when your Surface sleeps. Here’s how:

Step 1: Swipe in from the right edge of the screen, and tap Settings.
(If you're using a mouse, point to the lower-right corner of the screen, move the mouse pointer up, and click Settings.)
Step 2: Tap or click Change PC settings, and tap or click PC and devices.
Step 3: Tap or click Power and sleep.
Step 4: Under Sleep, select when you want Surface to sleep when Surface is running on battery and when it’s plugged in.

Note

A power plan is a collection of hardware and system settings that control how your Surface uses power. For more info about power plans, see Power Plans: FAQ (Surface RT and Surface 2 support InstantGo.)

Turn off your Surface

Step 1: Swipe in from the right edge of the screen, and tap Settings.
(If you're using a mouse, point to the lower-right corner of the screen, move the mouse pointer up, and click Settings.)
Step 2: Tap or click Power, and tap or click Shut down.

For more info, see Surface power states.

Battery: Making it last

Here are some ways you can help make your battery last longer:

  • Reduce the screen brightness. Open the Settings charm, and tap or click Screen, and move the slider. The brighter the screen, the more power it uses.
  • Turn off Wi-Fi. If you don’t need Wi-Fi for a while, you can turn it off to conserve battery life. To do this, open the Settings charm, tap or click the wireless network Wireless network icon icon, and slide Wi-Fi to Off.
  • Turn on Airplane mode. If you don’t need Wi-Fi and Bluetooth for a while, this is something else you can do to conserve battery life. Open the Settings charm, tap or click the wireless network Wireless network icon icon, and slide Airplane mode to On.
  • Turn off or remove devices that you aren't using. Many USB devices use power just by being connected, so you might want to unplug these devices when you're not using them.
  • Turn off mobile broadband. If you have a Surface 2 model with mobile broadband (4G), you can switch off your mobile broadband connection to conserve battery power. Open the Settings charm, tap or click the wireless network Wireless network icon icon, and slide Mobile broadband to Off.
  • Use a powered USB hub. Using an unpowered USB device can quickly drain your battery. Plug the accessory into a powered USB hub plugged into an electrical outlet, and then plug the hub into your Surface.

Battery care

  • Operating temperature. Surface is designed to work between 32°F and 95°F (or 0°C to 35°C). Lithium-ion batteries are sensitive to high temperatures, so keep your Surface out of the sun and don’t leave it in a hot car.
  • Recharge anytime. The battery doesn’t need to be empty or low before you recharge. You can recharge the battery whenever you’d like. However, it’s best to let the battery run to below 10 percent at least once per month before you recharge it.
  • Battery warranty. If your Surface battery is found to be defective during the warranty period, it is covered under the standard Surface Warranty. For more details about the Surface Warranty or for extended warranty coverage, see Surface standard warranty and Microsoft Complete for Surface.


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