LiitoKala is a leading Chinese manufacturer of intelligent battery chargers and high-capacity lithium cells. Their chargers feature LCD displays, support for multiple chemistries (Li-ion, NiMH, LiFePO4, IMR), and overcharge protection — making them the go-to choice for flashlight enthusiasts and professionals who rely on 18650, 21700, and 26650 batteries. Their own-brand high-drain 18650 and 21700 cells round out a complete power solution.