Universal Smart Battery Charger for 18650 18500 18350 17670 17500 16340 14500 10440 20700 21700 22650 26650 3.7V Li-Ion NI-MH - AAA AA Battery. Charger

General description This Universal Smart Battery Charger is designed for a wide range of rechargeable batteries, including various Li-Ion and Ni-MH types. It features four independent charging channels, allowing for simultaneous charging without interference. The intelligent design automatically selects the optimal charging current for each battery, enhancing battery life and safety. Technical specifications Compatible with: 3.6V/3.7V Li-ion (32700, 26700, 26650, 22650, 21700, 20700, 18650, 18490, 18500, 18350, 170650, 16650, 16340, 14650, 14500, 10400) and 1.2V Ni-MH/Ni-CD (AAAA, AAA, AA, A, SC, C, F6) Charging voltage: 4.23V Input voltage: 110-240V AC Usage Insert the negative (-) pole of the battery first, then press the positive (+) pole to protect the contacts. Charging indicators: Red light indicates charging, green light indicates fully charged. Other information Safety features: Overload protection, reverse polarity protection, overcharging prevention, short circuit protection, and overcurrent protection. Material: Flame-retardant polycarbonate for enhanced heat dissipation. Design: Four non-slip pads on the back for stability and safety during use.