RC Electronics Watt's Up Watt Meter with Onyx, Blue or Kryptonite case.

Features:

• Works with any electric airplane, helicopter, car or boat model
• High resolution on all measurement ranges to accurately check battery, battery pack cell balance and measure single cell packs
• Connects like jumper cables and troubleshoots poor performance, crashes, charging problems, battery capacity, ruined batteries, erratic receiver and servo operation and many other common electric model problems
• Sets cutoff currents and voltages, compares components and detects wear prior to component's failure
• Measures eight essential electrical values: Captures Peak Amps, Peak Watts and Minimum Volts events as short as 0.001 S, Current: 0-100 Amps, 0.01 A Resolution, Charge: 0-65535mAh, 1 mAh Resolution, Power: 0-6500 Watts, 0.1 W Resolution, Voltage: 4-60 Volts, 0.01 Resolution (0 V min. using auxiliary receiver battery), Energy: 0-6500 Watt Hours, 0.1Wh Resolution
• Powered by circuit-no battery to change
• 16 character, 2 row LCD display
• 8 MIPS microprocessor and DSP firmware for highest performance
• One year manufacturer warranty

Includes:One RC Electronics Watts Up Watt Meter, four 3.8" (96mm) length 14 gauge stranded silicone source and load wires WITHOUT connectors, instructions

Requires: Connectors depending on type of battery

Specifications

• Length: 2.8" (71mm)
• Width: 1.7" (43mm)
• Height: 0.83" (21mm)
• Weight: 2.3 oz (65g)