Flight Line & Track Equipment > Field Equipment > Battery Testers Bookmark this Page

Hobbico - HCAP0331   708066503311 0708066503311
Manufacturer Stock#
A Closer Look at This Product
  Tech Notes

Regularly Purchased Together

Browse Hobbico

Product Feature Page

Manufacturer's Product Web Page

Hobbico VoltWatch 12V Field Power
Hobbico VoltWatch 12V Field Power
View Larger Picture

Instruction Manuals: Manual 1 (30 KB)
Parts Saver Eligible:Yes
Tower Catalog Page: 178

Stock Number
Retail Price
Tower's Low Price
Stock Status
In Stock
Buy Now
Add to wish list
—— Share ——

Quantity Discount
  Special Savings When Buying in Quantities
Special Stock Number Units at this Price Tower's Low Price Click to Order Quantity Discount Savings
Hobbico VoltWatch 12V Field Power Add to Wish List
21.18  Buy Now .80  

Regularly Purchased Together
Move your mouse over the listed items for pictures. Click any item for product details and to check compatibility.
Customers who purchased the above product also bought:
1.  LXHDJ2 Hobbico VoltWatch2 4.8V/6V Rx Battery Monitor 10.99  Buy Now
2.  LXL434 Hobbico #64 Rubber Bands 1/4 lb (Approx. 100) 2.99  Buy Now
3.  LXD859 Dubro Pull-Pull System 4-40 10.19  Buy Now
4.  LXK129 Great Planes Silicone Fuel Tubing Standard 3' 2.99  Buy Now
5.  LXK204 Great Planes Segmented Lead Weights 6 oz 4.79  Buy Now
6.  LXK301 Great Planes Pro Epoxy 6-Minute Formula 9 oz   8.99  Buy Now
7.  LXACW7 Hobbico Deluxe Power Panel II 17.99  Buy Now
8.  LXWW16 Hobbico Digital Voltmeter MkIII 16.99  Buy Now
9.  LXL370 Hobbico TorqMaster LC 12V 7Amp Battery   27.99  Buy Now
10.  LXVZ41 Hobbico Top Fueler MkIII Panel Ready 12.99  Buy Now
11.  LXL490 Hobbico CA Applicator Tips (6) .95  Buy Now
12.  LXCB28 O.S. Type F Glow Plug Medium Four Stroke 8.99  Buy Now
  Click for more items regularly purchased together...
Product Image

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

– If you need more information, use these Hobbico resources –
Click Here: Manufacturer's Product Web Page
Email: airsupport@hobbico.com
Web Site: http://www.hobbico.com/
Phone: 217-398-8970
  Postal Address:

Click here for Units of Measure Conversion Calculators

Tower Hobbies Has Been Serving Hobbyists Since 1971 • Call 800-637-6050 or 217-398-3636
See Tower Hobbies
Reviews at Bizrate.com
Hobbico, Hobby & Model Construction
Supplies - Retail, Champaign, IL
We accept the following: We accept the following payment methods: Discover, MasterCard, Visa, American Express, Diners Club International, JCB, China UnionPay, PayPal, and PayPal Credit.
Unauthorized use of any materials presented here is prohibited. Copying or reproducing any elements from this page is not permitted. All prices, descriptions and availability subject to change. Displayed within some areas of our web site, the Retail Price is suggested by the manufacturer or supplier, or estimated in keeping with standard industry practice. It may not represent the prevailing price in your area or a price that Tower Hobbies has ever offered for the item.
Copyright © Tower Hobbies All rights reserved. Do not duplicate or redistribute in any form.