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Designed for tiny indoor motors up to large motors like the Astro 90. Now you don't have to guess any more, you can measure your amps,volts,amp hours and watts to be certain!

The "Whattmeter" or WATTMETER does WHAT??? A tool that does all of these valuable things? Is a play on words!


Stock Number p/n 101
Maximum Voltage 60 volts
Minimum Voltage with no receiver battery 4.5 volts
Minimum Voltage with receiver battery Zero Volts
Maximum Amps while discharging 50 Amps
Maximum Amps while charging 10 Amps
Maximum Power 3,000 Watts
Current resolution 10 Milliamps
Voltage resolution 20 Millivolts
Power resolution 0.1 Watts
Maximum amp hours 94 Amp Hours
Amp Hour resolution 0.01 Amp Hour
Current Consumption 10 Milliamps
Standard Connectors Astro Zero Loss
Optional Connectors Deans Ultra, Anderson Pole, or No connectors


Astro Flight, Inc. warrants all products against defects in material and workmanship for a period of 90 days, from the date of purchase. During the warranty period, Astro Flight will repair or replace the product. This warranty does not apply if the product has been damaged by accident, abuse, misuse or misapplication, nor as a result of service or modification made by others. Astro Flight is not responsible for incidental or consequential damages resulting from the use of this product. This includes damages to intellectual information, property and personal injury. Astro Flight reserves the right to make changes in future product design, without reservation and without notification to its users.


Please contact the Customer Support Department to obtain a Return Merchandise Authorization (RMA) number, before shipping the product back to Astro Flight. Returns will not be accepted without a valid RMA number. For faster service, please have the following information on hand when calling or emailing for an RMA number: customer name, invoice number and reason for return. Shipping charges on returned items are the customer's responsibility. Products should be returned with shipping charges prepaid, along with proof of purchase, a description of the problem and the issued RMA number. All returned products are subject to a 15% restocking fee.