As a Ni-Cd Battery Pack Supplier , share with you. Rechargeable battery is a rechargeable battery with a limited number of recharges. It is used with a charger. The market usually sells No. 5 and No. 7, but there are also No. 1. The advantages of rechargeable batteries are economical, environmental protection, sufficient power, suitable for high-power, long-term electrical appliances (such as walkmans, electric toys, etc.). The voltage of the rechargeable battery is lower than that of the same type of disposable battery. The AA battery (charge 5) is 1.2 volts, and the 9V rechargeable battery is actually 8.4 volts. Now generally the number of charge can be around 1000 times. As of February 2012, there are only five types: Ni-Cd Battery , nickel-metal hydride, lithium ion, lead storage, lithium iron. The active material on the positive plate of a lead-acid battery is lead dioxide, the active material on the negative plate is sponge-like pure lead, the electrolyte is a sulfu...
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