Specifications:
Use for 1~8S Lipo/Li-ion/LiMn/Li-Fe 
Voltage detection precision:±0.01V
Unit voltage display range:0.5~4.5V
Total voltage display range:0.5~36V
1S test mode voltage range:3.7~30V
Low voltage alarm mode for2~8S
Alarm set value range:OFF~2.7~3.8V
Dimension:40 x 25 x 11mm
Weight:9g