Order BATgraph Expanded Scale Voltmeter
Thousands sold to model airplane enthusiasts world-wide. Used by NASA and the Military in Drones. Rental companies use them to assure the rental does not have a dead battery. Motorcycle, snow-mobiles, RV, use them to keep track of their battery.
The unit has a adjustable 10 turn pot that spans from 2.5 to 25 volts. It can be set to any light at any voltage between 4 to 20 volts. It is reverse polarity protected!
The BATgraph LED display is a visual indicator that shows how your battery is doing. It can diagnose a bad cell, shorted load, alternator charging voltage.. or the absence of a working alternator.
It can handle 2 - 18 cell nicad packs. 2 to 12 cell wet cell batteries!
The circuit is good to 35 volts and reverse protected.
Comes with complete instructions for model RADIO CONTROL. The unit can be pre-ordered calibrated and set up for $5.00. to any voltage between 2.5 - 25 volts. Calibration against National Bureau of Standards. Accuracy .05 Volts plus/minus. Animation switches between a 4 Cell model Airplane Voltmeter to a 12 car battery setup!
MODEL Airplane/Heli and most applications 2 to 18 cells!

WATERPROOF - FUEL PROOF - SHOCK PROOF- SATISFACTION GUARANTEED!
Specify the number of cells in the battery pack you intend to use the module with: 4C is 4 cell ; 5C is 5 Cell; up to and including 18C.
The averaging model is specified with an "A". A 5CA is for a 5 cell and is "Averaging" type!
Other models: Specify when ordering: type of battery and voltage or number of cells. Wet Cells generally have 2.0 volts per cell and there are 6CW or a 12 volt battery. If you have questions: 541 480 0212 call!
Voltmeters model air planes $ 28.00 4 C (not for Gyro- use Averaging unit)
Voltmeter (Expanded Scale Voltmeter) Heli $33.00 4 CA "Averaging unit for gyro"
NEW/IMPROVED DeBug - Averaging Voltmeter + with missing pulse detector/diagnosis $43.00 Finds radio problems before you fly. Radio integrity is monitored and a missing pulse locks the display, signaling missed pulses detected which indicates a problem exists in the transmitter or receiver!
100% money back guarantee. Also guaranteed to function properly even if crashed! This module has crashed straight down into cement every piece of the radio and plane broken but the module still survived and functioned properly. 3 year guarantee with each unit to original purchaser.Very popular item with the model airplane sport fliers. Many repeat customers! Order yours today!
PAYpal : jlaselle@gmail.com 541 389-2359