Lenovo ThinkPad 10 20E3 User Manual page 11

General battery notice
DANGER
Batteries supplied by Lenovo for use with your product have been tested for compatibility and
should only be replaced with approved parts. A battery other than the one specified by Lenovo, or a
disassembled or modified battery is not covered by the warranty.
Battery abuse or mishandling can cause overheat, liquid leakage, or an explosion. To avoid possible
injury, do the following:
• Do not open, dissemble, or service any battery.
• Do not crush or puncture the battery.
• Do not short-circuit the battery, or expose it to water or other liquids.
• Keep the battery away from children
• Keep the battery away from fire.
Stop using the battery if it is damaged, or if you notice any discharge or the buildup of foreign
materials on the battery leads.
Store the rechargeable batteries or products containing the rechargeable batteries at room
temperature, charged to approximately 30 to 50% of capacity. We recommend that the batteries be
charged about once per year to prevent overdischarge.
Do not put the battery in trash that is disposed of in landfills. When disposing of the battery, comply
with local ordinances or regulations.
Notice for built-in rechargeable battery
DANGER
Do not attempt to replace the built-in rechargeable battery. Replacement of the battery must be
done by a Lenovo-authorized repair facility or technician.
Only recharge the built-in rechargeable battery strictly according to instructions included in the
product documentation.
The Lenovo-authorized repair facilities or technicians recycle Lenovo batteries according to local
laws and regulations.
Use supported charging methods only:
To recharge the internal battery of your tablet safely, see "Charging the tablet" on page 10.
Attention: Use only Lenovo-approved ac power adapters and power cords. Unauthorized ac power
adapters and power cords could severely damage the tablet.
Charging devices might become warm during normal use. Ensure that you have adequate ventilation around
the charging device. Unplug the charging device if any of the following occurs:
• The charging device has been exposed to rain, liquid, or excessive moisture.
• The charging device shows signs of physical damage.
• You want to clean the charging device.
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