Universal Multipurpose Hand-held Flashlight Battery 3.0V 3.7V 4.2V Variable Voltage Portable Soldering Iron Accessories
Note: Battery Capacity: 400-900mAh , if need other bigger capacity, please talk to us online
Work Voltage: 3.2V-4.2V ON/OFF Work: in two seconds press continously three times Work Status: Press Switch to Keep Work Off Work : Less than 3.2V, can't work Need to Recharge: LED Flash 10 Times Short-circult Protection: Press Switch, LED Flash Three Times