Introduce the hidden tips unusable batteries are revived.
Revived batteries [methods]
Unusable batteries, single-mindedly rub.
Batteries is because originally, electricity flowing in chemical reaction mechanism
One of the batteries because is has slowed the flow of internal battery electric.
Substance causes a chemical reaction is you still
Warm chemical reaction and revive friction rub the battery by
It is can be revived.
Is not necessarily applicable to all.
Summary of?? Disaster and emergency “, you can try.