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: black
Measurable 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)
Package weight: 81g

Packet content:
1 x 3 in 1 Battery Balancer
1 x English manual