● Compatible with Li-ion, Ni-MH and Ni-Cd batteries. Li-ion: 26650 / 22650 / 26500 / 18650 / 17670 / 18490 / 17500 / 17335 / 16340 / 14500 / 10440. Ni-MH / Ni-Cd: AA / AAA / A / SC / S, etc. ● Four battery channels charging independently, 300mA / 500mA / 700mA / 1000mA four optional charging current. ● Can charge different specification batteries at the same time. ● LCD displays charging status of each battery: Voltage (V), current (mA), time(h), capacity (mAh), resistance (mR), parameters can be seen apparently. ● CHARGE / FAST TEST / NOR TEST 3 modes can work simultaneously, independent set charge / fast capacity detection / normal capacity detection. ● A variety of protection functions: overcharge and over discharge, short circuit, temperature, 0V voltage activation function, 1.65V-2.2V not charging function, identification bad battery detection and reverse battery protection. ● Standard 5V / 1A USB output, only as a 3.7V lithium battery output, nickle metal hydride battery is invalided. ● Equipped with a dedicated power adapter, DC input voltage: 12V / 2A.