3 in 1 LCD Discharger Balancer Meter Tester for 2-6S lipo Li Fe Battery Digital Battery Capacity Checker Controller TesterFeatures: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-4.2