When the electron is expressed and the oxidation silver-colored batteries in the calculator will give out, can charge. Charge 1 times to be able to use left and right sides of half an year, a batteries can charge 3 times commonly, fill the effect again later not apparent. Use too oldly and had leaked of fluid, also cannot fill again. Charge power source is to use two (or, the voltage that inspects miniature batteries and calm) a new battery, a 15 centimeters long fine copper silk, put the anode of miniature batteries on the cap of positive electrode copper of a batteries, negative pole receives the negative pole of a batteries with copper cash, must not receive a fault, conditional the voltaic grade that receives avometer can be strung together in circuit.

Attention: Charging current should be under 30 milliampere, this can adjust through changing the resistance of afore-mentioned series connection resistor, wait for charging current to drop when a few milliampere, explain report already had been filled, wait for miniature batteries good report is filled when calorific, very hot hand

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