Watts Up Power Meter

Voltage: 4 - 60 V, 0.01 V resolution (0 V min. with optional receiver battery pack)
Current: 0 - 100 A, 0.01 A res.
Charge: 0 - 65 Ah, 0.001 Ah res.
Power: 0 - 6500 W, 0.1 W res.
Energy: 0 - 6500 Wh, 0.1 Wh res.
Supplied with 14 Ga, silicone wires without connectors.

Superb measurement speed and small enough to be used in most models. Great way to monitor what happened during a flight as the unit also displays peak amps,watts and minimum voltage.

Dimensions:70mmLx42.5mmWx20.75mmT

The slightly higher price reflects the ability to measure down to 0Volts and the peak hold function.