Per LiitoKala Lii-PD4 Caricabatteria Display LCD per 21700 26650 18650 AA AAA
For Li-ion / IMR/LiFePO4: 26650, 21700, 20700, 18650, 18490, 18350, 17670, 17500, 16340(RCR123), 14500, 10440. For NiMH/Cd: AA, AAA, SC, C. If you choose to use 12V DC adapter, the output current should be not less than 1A;.