An excellent quality battery balancer at a great value.
Specifications:
Measures Li-po/Li-Fe 2-6s
Standard voltage range of 7.4V-22.2V
Receiver battery 1.2V-8.5V DC (no limit to battery type but an external power source is required plugged into the JST terminal)
Balance voltage setting range of 2.0V to 3.9V (pre-set at 3.2V)
Discharge voltage setting range of 3.0V-4.2V (pre-set to 3.9V)
Max bleeding current of 500 mA at 4.2V per cell