Input power: 10W; Input current: 0.5A / 1A / 1.5A / 2A; Input voltage: AC 100~240V, 50/60HZ / DC 12V; Compatible with Li-ion, Ni-MH, and Ni-CD batteries; Support battery: 10440, 10670, 16340, 14500, 18350, 18490, 18500, 18650, 26650, etc; Dual battery slots for charging; Each battery slot is charged and monitored independently; Automatically detects battery type, status, and ideal charging mode; 4 charging modes (0.25A, 0.5A, 1.0A, 2.0A); 3 colors LED displays charging progress for each battery; Automatically stops charging when complete; Features reverse polarity protection; Designed for optimal heat dissipation; Certified by both RoHS and CE