Please discharge the battery to 2% then fully charge at the first time
It is forbidden to discharge to 0%(it will be easily damaged and shorten the usage life) on normal workings; It must be turned off or recharged(1-2 days) if as low as 2%
It must be charged above 70% before long time storage(more than three months)
Battery needs recycling frequently. It is recommended to discharge and charge it once per two months at least. The battery will achieve best performance. Please discharging it to 2%, and then charging it full.
When the battery can not charge or charge less power, maybe the laptop adapter is musmatch or output power is lower. Please immediately replace the match and the function normal adapter to confirm is caused by the adapter. Whether the Problem
Never take out the battery form the laptop when charging or discharging.
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