... Benefit -High quality All-In-One (12V, 9V, 5V) Li-Ion rechargeable battery pack-Made of ten 1800mAh cylindrical 55950 cells ... charge and over discharge and prolongs battery life-Perfect for building 12V, 9V, or 5V battery pack for CCD cameras, CMOS cameras ... , RC toy, robots, laptopand DVD external battery etc.Technical Specifications-Capacity: 12V 6500mAh; 9V 8500mAh; 5V 15000mAh - Voltage Input: 12 ...