i4 Li-ion Charger 3.7v (4 slot) 4 Batteries can charge in the same time i4 Li-ion Li-ion IMR Ni-Cd Ni-MH battery charger 3.7v to 4.2v Compatible with 26650, 22650, 18650. 18490, 18350, 17670, 17500, 14500, 10440, 16340
