Premiertek EX-509F Smart Fast 4CH Battery Charger with AA/AAA Ni-MH Ni-CD Time Control - Retail Packaging 4 Level Smart Charge Protections: Delta V/O Delta V cut off Time Control Protection Reverse Polarity Protection Over current and Short Circuit Protection Two LED lights LED Status: Red Charging Green: Batteries are fully charged OFF: Invalid/Bad Battery Input: 110V-240V AC, @50/60 Hz, Wattage: 8W Output: Voltage: 1.5V current for 3 or 4 cells: 350mA Current for 1 or 2 cells: 700mA Comes with 32" power cord (US type)