M-UPS-L7 Description Universal External Battery Pack for Notebook PCs Chemistry Lithium-polymer cell Output Voltage DC 16V, 19V Output Current 4000mA max. Capacity 66.6WH (6000mAH) Running Time 3-4 hours Charging time 4-5 hours Cycle Life At least 300 times Operating Temperature -10-40℃ Storage and Transportation Temperature -20-50℃ Dimension 230?65?6 mm Weight about 750g Carry style Put into your laptop bag or kitbag/Place in vehicle/Place below your notebook Fuel Gauge Led 5 level LED indicator Standard Accessories 1 AC Adaptor, 1output cable + 12 connector tips, user manual, compatible list AC adaptor Input Power Source: AC 100V~240V/50Hz-60Hz Input Current: 1.5A Output Voltage: DC16V Output Current: 4.5A Charging Mode CC/CV Charging Indicator The LED on the battery pack is in red while charging and in green when charge is finished. Work with Over 3000 models notebook PCs requiring 16V or 19V input in the market, of most popular brands such as IBM, DELL, Sony, Compaq, Acer, Canon, Toshiba, NEC, HITACHI, Fujitsui, PHILLIPS, Panasonic, SAGER, ChemUSA, Acom, Act, AMI, AMS tech, ARM?