AOK 3 In 1 50W 2S-6S Lipo Battery Balancer LCD Voltage Meter Tester Discharger    Features: - The balance function can be executed before/after battery charged、 or during battery charging process、 to ensure battery pack keeping in excellent condition.- Safe and convenient: it supplies instant voltage reading and indicates abnormal cell immediately.- Allow Li-Polymer/Li-Fe 2-6 cell balancing and discharging.- With its JST connector for external power、 the balancer can measure voltage of receiver battery.- The big LCD screen can show 6 cell batteries' condition.- Only 3 control keys for easy single-handed control.- Thermal design on the backside for ventilating and preventing overheating.- Detailed instruction sheet is included.- Small size and light weight、 it is easy to carry. Specification: Color: blackMeasurable battery type and amount:Li-Polymer/Li-Fe 2-6 Cell (standard voltage 7.4V-25.2V using divided voltage connector)Receiver battery 1.2V-12V DC (Not battery type limit、 but need external power 7.4V-25.2V、 use JST connector)Balance voltage setting range (lower limit): 2.0V-3.9V (pre-setting value 3.3 V)Discharge voltage setting range (lower limit): 3.0V-4.2V (pre-setting value 3.9V)Item size: 9.3 * 6 * 1.7cmItem weight: 71gPackage size: 10.5 * 6.5 * 4.4cmPackage weight: 120g Package Included: 1x Battery balancer1x External Discharge Module1x 50w Bulbs