Rechargeable battery notice
DANGER
Do not attempt to disassemble or modify the battery pack. Attempting to do so can cause an explosion, or liquid leakage from the battery pack. A battery pack other than the one specified by Lenovo, or a disassembled or modified battery pack is not covered by the warranty.
If the rechargeable battery pack is incorrectly replaced, there is danger of an explosion. The battery pack contains a small amount of harmful substances. To avoid possible injury:
vReplace only with a battery of the type recommended by Lenovo.
vKeep the battery pack away from fire.
vDo not expose it to water or rain.
vDo not attempt to disassemble it.
vDo not
vKeep it away from children.
vDo not drop the battery pack.
Do not put the battery pack in trash that is disposed of in landfills. When disposing of the battery, comply with local ordinances or regulations.
The battery pack should be stored at room temperature, charged to approximately 30 to 50% of capacity. We recommend that battery pack be charged about once per year to prevent overdischarge.
viiiThinkPad T410s, T410, T510, and W510 Service and Troubleshooting Guide