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The InSight 12V Fuel Gauge is a low current draw (29 milliamps), constantly backlit battery gauge that will show the state of charge (SOC) for up to 14 InSight Batteries connected in parallel. The InSight Fuel Gauge helps you determine when it's time to charge your batteries.


If you're running InSight Series in your boat or RV, this is THE fuel gauge you'll need as it was specifically designed to work with these batteries only.

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DATA SHEET

Specifications

Operating Current 29 milliamps
Operating Temperature 14°F to 185°F (-10°C to 85°C)
Storage Temperatures -40°F to 185°F (-40°C to 85°C)
Ingress Protection Rating IP67

Real-Time Data on Your Battery Bank

The fuel gauge receives real-time current data from all parallel connected battery CANs and calculates the remaining amp hours as a percentage from 0-100%. The fuel gauge will display several messages throughout its operation cycle:

• Number of batteries detected

• State of Charge (SOC) as a percentage from 0-100%

• A “LOBATT” message will display when the battery bank is below 20% SOC

• A “LOBATT” message will flash when the battery bank is below 10% SOC

Wiring Diagram & Dimensions

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RELiON InSight Series Fuel Gauge Installation Guide

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Frequently Asked Questions

What batteries does the Fuel Gauge work with?
This Fuel Gauge works specifically with the 12V InSight model only. It will not work with Legacy Series or other InSight Series batteries.
How do I mount the Fuel Gauge in my vehicle/equipment?
We recommend using a 52mm  0.4mm (2-1/16”) hole saw drill bit capable of cutting your mounting surface material (wood, plastic, metal, etc.). The mounting bracket is included and can be rotated to the proper tension to hold the fuel gauge firmly in place.
Can I turn the Fuel Gauge backlight off?
No, the fuel gauge backlight is always on and only consumes .029 amps. This will not affect InSight batteries going into Sleep Mode because the minimum current for Active Mode is .8 amps.
Will the Fuel Gauge always being on drain my batteries faster?
The current draw of 29 milliamps (.029 amps) will be imperceptible. Even if you do not shut your batteries off manually and they were to sit in standby mode for 24 hours before sleep mode activated the fuel gauge consumption would sum to .7-amp hours which is about 1% of a 60-amp hour bank