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Designed for tiny indoor motors up to large motors like the Astro 90. Now you don't have to guess anymore, 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? It's 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.



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