Revive Lithium Ion Drill Battery. Detach the battery from the drill and put it in the charger. When you take it out of the freezer let it thaw for up to eight hours to restore it to room temperature.

Their chargers also usually know how to charge them properly. If the voltage is under 24V throw the cell away its stuffed. Reply 3 on.
Check to see if there are any stripped wires or short circuits.
If the voltage is above 24V put it back on charge until 42V. They help in removing the battery from the drill when they are pressed in. - short the battery yes at this point we can do a short the. Check to see if there are any stripped wires or short circuits.

