Yeah Racing Li-Po Voltage Reader
http://www.rcmart.com/catalog/newsde...ewsdesk_id=494
Essential necessity for your Li-Po Battery!
Why is the Voltage Reader so important?
Check whether the battery is performing at the best condition
Previously realize the problems of battery before it happens
Avoid any accidents caused by the battery
Specifications:Measure Li-Po from 2-6 cells
Continuous readout of battery being measured
Reverse polarity protection
Total voltage of the battery pack can be measured
Highly accurate (±0.01V)
Compact in size: can be put in microheli or other models
Light weight (6g)
Dimension: L51.5x W19.8x H10.05 (mm)