Nitecore i4 Intellicharge Charger with Bonus Car Adapter and Bright Keychain Light - Compatible for Li-ion 26650 22650 18650 17670 18490 17500 17335 16340 (RCR123) 14500 10440 Ni-MH/Ni-CD: AA AAA A SC C Rechargeable Batteries Supported Battery Types: Li-ion/IMR/LiFePO4: 10340, 10350, 10440, 10500, 12340, 12500, 12650, 13450, 13500, 13650, 14350, 14430, 14500, 14650, 16500, 16340(RCR123), 16650, 17350, 17500, 17650, 17670, 18350, 18490, 18500,18650, 18700, 20700, 21700, 22500, 22650, 25500, 26500, 26650; Ni-MH/Ni-CD: AA, AAA, AAAA, C, D Everything is automated: Automatically detects battery status and selects the appropriate voltage and charge mode; Automatically stops charging when complete Capable of charging 4 batteries simultaneously; Reverse polarity protection Upgraded display and increased charging speed Includes a bonus car adapter & a bright Lumentac Keychain Light