Series DiPOW Model No. M-UPS-D6 Description Portable battery pack for Mobile Phone, PSP and iPod. Chemistry Lithium-ion cell Output Voltage DC 5V Capacity 12.58WH (3400mAH) Charging time 6.5 hours Cycle Life At least 500 times Operating Temperature -10-40℃ Storage and Transportation Temperature -20-50℃ Dimension 100X62X15 mm Weight about 130g Carry style Wear onto your Belt/Put into your kitba/Hang around your neck Fuel Gauge Led 1 LED indicator (Red: power is low Green: power is enough) Standard Accessories 2 USB output cable, 6 output tip, 1 charging tip Optional Accessories Leather case, USB AC adaptor. AC adaptor Charge through USB cable. Charge through USB AC adatper. (Optional) Charging Mode CC/CV Charging Indicator The led on the battery pack is in red while charging and in green when charge is finished. Features: 1.Wide Compatibility. 2.Portable and Convenient. 3.High Capacity.