•  The smart charger designed for charging 7.4V Li-Ion battery pack from Car lighter plug or 12V DC power supply
•  Input 12VDC
•  Output: 1000mA constant charging current for faster charging.
•  Only charge batteries with capacity > 1000 mAh.
•  Charging time for 2000mAh battery pack is about 4 hrs.  For 1000mAh charging time is 2.5 hrs.
•  Built in IC to cut off power automatically when battery is fully charged at 8.4V
•  Dimension (LxWxH): 110mm(4.3") x 50mm(2.0") x 35mm(1.4")
•  Weight: 8 oz (226 g)
•  Red LED will show when battery in charging, and Green LED shows full.  
•  Compact size and lightweight easy to plug in car plug