How To Charge Dead Lithium Ion Battery. If the voltage is above 24V put it back on charge until 42V. The state of charge SOC for step 1 reaches only 85 charge and it is the most recommended level for Li-ion charging.
Remove the two side-by-side plastic pieces. Not a battery tender please. Take the battery pack out of the way.
When a lithium-ion battery is over-drained its protection circuit turns it off making it dysfunctional to be used or recharged by the charger.
Please support me on Patreon. How to restore old batteries at home. Most balance chargers wont allow it so you need to find a way to safely raise the pack voltage to the point where the charger will allow charging. An 18V lithium-ion battery for example would power an 18V impact wrench.
