General description FLITI USB Universal Smart 18650 Battery Charger is designed for high efficiency and excellent quality. Made from safe and flame-retardant PC+ABS materials, it features four individual charging slots that operate independently, allowing for simultaneous charging of various battery types. Technical specifications Charging current: maximum 800mA per slot Compatible battery types: Li-Ion (IMR, INR, ICR), Ni-MH, Ni-Cd, LiFePO4, AA, AAA, AAAA, SC Supported battery sizes: 10340, 10350, 10440, 10500, 12340, 12500, 12650, 13450, 13500, 13650, 14350, 14430, 14650, 16340 (RCR123), 16500, 16650, 17350, 17500, 17650, 18350, 18490, 18500, 18650, 22500, 22650, 25500, 26500, 265000 Usage Automatically stops charging when batteries are fully charged to prevent overcharging LCD display shows voltage, current, charging time, mode, battery type, internal resistance, and battery capacity Press corresponding number key to display individual battery parameters Trickle charge mode allows