How To Repair A Lithium Ion Battery. This may happen due to overuse or leaving the battery for too long on the charger. If a lithium battery is completely discharged then it is ruined.

Lithium-ion batteries may go into sleep mode if you drain the battery too much. You will also find answers to some of the frequently asked questions to better understand lithium-ion batteries. Ad Free diagnostics and fast reliable repairs.
If the voltage is under 24V throw the cell away its stuffed.
Use a clean eraser or other cleaning tool to gently wipe the metal contacts on the lithium battery and the metal contacts on the phone to help with the charging status and power lasting. High self-discharge which causes low voltage. Follow the article keenly to get the best. If the voltage is above 24V put it back on charge until 42V.

