Rechargeable batteries with reduced capacity can be charged using the excitation method to restore the capacity to its original state. The specific method is:

　　1. First, discharge the remaining current of the battery: You can use a flashlight or small light bulb to discharge until the filament of the flashlight or small light bulb turns red and stops discharging. Attention: Do not let the battery voltage drop below 0.9V during discharge.

　　2. Add nano carbon sol battery activator and charge with a current of 100-200mA to 1.5 times the capacity. Then immediately discharge with a load of 5-10 Ω (small light bulb or electric furnace wire).

　　3. Recharge with 100-200mA current, charge to 1.2 times the capacity, and then discharge again.

　　4. Repeat this process 4-5 times. From the third time onwards, the charging current should not exceed 100mA, and the charging time should not exceed 1.2 times the capacity.

　　Using this method of charging can restore the original capacity of rechargeable batteries that have not dried up in general electrolyte.

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