Under normal circumstances, the new Ni-MH battery contains only a small amount of electricity, and you must charge it before you buy it. However, if the battery is shipped out of the factory for a short period of time, it is recommended to use it first and then recharge it.
The purpose of parallel connection of lithium batteries is to increase the capacity.
Lithium iron phosphate battery has only 50-60% of normal temperature performance at minus 20 degrees Celsius, and only 30-40% below minus 40 degrees.
1. Carbon batteries Primary battery, voltage: 1.5V Zinc-manganese battery, commonly known as carbon battery. Dry batteries are commonly used in daily life. It is the cheapest kind of battery at present.
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