At the beginning, the 3.7V 18650 lithium battery has an individual cycle life of about 500 to 1000 times, and the 3.2V 18650 individual lifespan can reach more than 2000. Of course, the premise is that the qualified battery produced by the regular manufacturer, if it is a defective or mixed batter......

Ni-MH battery is a kind of battery with good performance. Ni-MH batteries are divided into high-voltage Ni-MH batteries and low-voltage Ni-MH batteries.

Lithium polymer battery (English: lithium polymer, abbreviation: Li-Po), also known as polymer lithium battery, polylithium battery, is a kind of lithium ion battery.