General description This 18650 Battery Charger is a universal 2-slot intelligent fast charger designed for a variety of 3.7V Li-ion batteries. It features an LCD display for easy monitoring and is capable of charging two different sizes of batteries simultaneously. Technical specifications Compatible with battery models: 10400, 14500, 14650, 16340 (RCR 123), 18350, 18500, 18490, 18650, 2650, 26650, 26700 Charging slots: 2 independent slots Other information Safety features: Prevents battery reversal, short circuit, overcharging, over-discharging, and overcurrent damage LED indicator: Red light when charger is on; green light when charging is complete CAUTION: Do not use ordinary, non-rechargeable batteries for charging