Description: LCD display, 1-4 hour quick charger (1 hour for 1 battery), battery saturation display Features: 1. Control system: high precision 12 bits A/D microprocessor 2. Charging channels: 4 individual channels 3. Battery type: 1-4 pcs AA or AAA Ni-MH/Ni-Cd rechargeable batteries 4. Detection: +△V, -△V, 0△V 5. Protection: over voltage, overload, overheat 6. LED indicator: LCD display 7. Non-rechargeable or bad battery detection: Yes 8. Battery saturation detection: Yes 9. Time control: Yes ( automatically fix needed time ) 10. Trickle charge: Yes 11. Approval: FCC and UL 12. Power plug: folding US or fixed European plug Specification: Input: AC 100V-240V 50-60HZ Output: DC 1.5V 2000mA