ideafly
https://www.idea-fly.com/comparison-of-the-five-most-common-drone-battery-chargers.html
1. 308 Charger
This drone charger supports many types of batteries. Each channel supports 8 strings of LiPo, Lilo, LiFe and NiZn, with a maximum balance current of 1.2A, and supports 1-20 strings of Ni-MH and Ni-Cd batteries for charging; At the same time, it supports charging of 1-15 lead-acid batteries. The maximum charging power is 1300W, the maximum channel charge and discharge current is 30A, and the maximum charge and discharge current of the two-channel synchronous mode is 50A. No matter what kind of drone model you are playing, this charger can be called a universal charger. In addition, its function is also very powerful, it has discharge function, internal heat preservation function, internal resistance test function and so on.