aa alkaline battery capacity (raymax aa bulk, raymax aa price, raymax aa 1.5 v alkaline battery price)
AA alkaline batteries, also known as AA alkaline batteries, AA alkaline dry batteries, AA alkaline batteries, standard AA (flat head) batteries are 48.0±0.5mm in height and 14.1±0.2mm in diameter. The capacity of aa alkaline batteries is not fixed, and has a great relationship with the discharge current. It is about 2000 mAh under low current, and it decreases sharply under high current. The small current discharge of ordinary aa alkaline batteries is about 1800-2200mAh.
Different types of alkaline power batteries have different capacities due to different standard sizes. But no matter what type of alkaline battery, although the capacity is different, their output voltage is 1.5V.
Alkaline Battery, also known as alkaline dry battery, alkaline zinc-manganese battery, alkaline-manganese battery, is the best-performing variety in the zinc-manganese battery series. Suitable for large discharge and long-term use. The internal resistance of the battery is low, so the current generated is larger than that of the ordinary manganese battery, and the mercury content of the environmentally friendly alkaline battery is only 0.025%, so it does not need to be recycled.
raymax aa bulk, raymax aa price, raymax aa 1.5 v alkaline battery price is based on manganese dioxide as the positive electrode, zinc as the negative electrode, and potassium hydroxide as the electrolyte. Its characteristics are better than those of carbon batteries, and its electric capacity is large.
The chemical equation is: Zn+2MnO2+2H2O==2MnOOH+Zn(OH)2
The alkaline battery adopts the opposite electrode structure of ordinary batteries in structure, which increases the relative area between the positive and negative electrodes, and replaces the ammonium chloride and zinc chloride solutions with highly conductive potassium hydroxide solution, and the negative electrode zinc is also used. Change from flake to granular, increase the reaction area of the negative electrode, and use high-performance electrolytic manganese powder, so the electrical performance can be greatly improved. Generally, the same type of alkaline battery has the capacity and discharge time of ordinary batteries. 3-7 times.
How to test battery capacity
Charge a battery with constant current and constant voltage, and then discharge it with constant current, how much power is released is the capacity of the battery, storage battery, nickel-metal hydride battery, etc., but lithium battery is not good, it has a minimum discharge voltage, that is, the discharge voltage cannot be low. At 2.75V, usually 3.0V is the lower limit protection voltage. For example, the capacity of lithium battery is 1000mAh
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