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Hobbico - HCAP0331   708066503311 0708066503311
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Hobbico VoltWatch 12V Field Power
Hobbico VoltWatch 12V Field Power
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Instruction Manuals: Manual 1 (30 KB)
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Tower Catalog Page: 142

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Tech Notes
This is the Hobbico VoltWatch Battery Monitor for
12V Field Batteries


A quick way to check Field Battery levels
Mounts on outside of Field Box with included double sided tape
Push button operation. POWER button must be pushed to activate LEDs
Red, Amber, and Green LEDs glow to show voltage range from 11-13V
Red = 11V or less
First Amber = 11-11.4V
Second Amber = 11.4-11.7V
First Green = 11.7-12.1V
Second Green = 12.1-12.4V
Third Green = 12.4-12.8V
Final Green = 12.8-13.0V
Draws amazingly low current - less than 30mA
Wires are pre-stripped and tinned for easy soldering to battery*
Two year warranty


One VoltWatch Battery Monitor for 12V Field Batteries
One 1x1.5" piece of double-sided servo tape


Soldering leads to battery terminals*
Attaching to Field Box with double-sided servo tape


Length: 1.6" (41mm)
Width: .6" (15.6mm)
Height: .13" (3mm)
Weight: .35oz (10g)
Current Draw: less than 30mA
Battery lead wire length: 9.5" (241mm) approximately


Important! Unit may fail if input leads are connected in reverse and
the button is pushed. Be certain to observe proper polarity when
plugging in leads.
*Instructions suggest soldering directly to the battery terminals.

jxs 2/24/03
updated tjt051503

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