1. Active current distribution (ACD) technology. 2. Compatible with 1.2V, 3.7V, 4.2V, 4.35V batteries. 3. Charging Program Optimized for IMR batteries. 4. Automatic current selection based on battery capacity. 5. Automatic identification of non-rchargeable lithium batteries. 6. Capable of charging 2 batteries simultaneously. 7. Each of the 2 battery slots monitors and charges independently. 8. Automatically detects battery power status and displays charging progress. 9. Automatically stops charging when complete. 10. Reverse polarity protection and short circuit prevention. 11. Over-dischargerged battery activation. 12. Overcharging timeout protection. 13. Designed for optimal heat dissipation. 14. Made from fire resistant, flame retardant PC materials. 15. During the charging process, the indicator LED indicate the status and charging pencentages of the batteries. 16. Compatible with Li-ion / IMR / LiFePO4 (10340, 10350, 10440, 10500, 12340, 12500, 12650, 13450, 13500, 13650, 14350, 14430, 14500, 14650, 16500, 16340 (RCR123), 16650, 17350, 17500, 17650, 17670, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22500, 22650, 25500, 26500, 26650, Ni-MH and Ni-Cd (AA, AAA, AAAA, C, D) rechargeable batteries (Note: All batteries are not included). 17. Input voltage: - AC 100-240V 50/60 Hz 0.25A (MAX) 8W - DC 9-12V 1A 18. Output voltage: 4.35V +/- 1% / 4.2V +/- 1% / 3.7V +/- 1% / 1.48V +/- 1% 19. Output current: 500mA x 2 / 1000mA x 1 20. Certified by RoHS, CE, FCC, CEC.Specification: General Product Material PC Product Size 13.2x7x3.5cm Product Weight 129g Charger Parameters Model NEW i2 Input Voltage AC 100-240V 50/60Hz Charger Plug US Plug Package Weight One Package Weight 0.32kgs / 0.70lb One Package Size 16cm * 13.5cm * 5cm / 6.3inch * 5.31inch * 1.97inch Qty per Carton 40 Carton Weight 12.60kgs / 27.78lb Carton Size 52cm * 29cm * 34cm / 20.47inch * 11.42inch * 13.39inch Loading Container 20GP: 520 cartons * 40 pcs = 20800 pcs40HQ: 1207 cartons * 40 pcs = 48280 pcs