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Old 04-22-2020, 10:04 AM   #1
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Join Date: Apr 2020
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Battery monitor

An alarm went off in our Jayco Hummingbird RV and by troubleshooting we think it was an indicator of a low battery.We just picked up this new RV one day ago. We think a simple battery voltage monitor would be helpful are there any recommendations?

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Old 04-22-2020, 10:48 AM   #2
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You are probably right about the alarm, it is an indicator of low battery.

A monitor could tell you what is happening but won't prevent the various parasitic drains (radio memory, detectors, etc.) that pull the battery down. Probably the best move is to put a battery disconnect switch on the negative wire for when the camper isn't in use. If you keep it at home you could also keep it plugged in.

There is also a Facebook Hummingbird group which is friendly and helpful.
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Old 04-22-2020, 12:15 PM   #3
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You can get one like this on amazon for a 12$ or so, the usb works too for phones,etc.
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Old 04-23-2020, 02:08 PM   #4
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Everyone in our family uses this battery monitor. It will even chart the voltage and shows how often the heat turned on overnight. We all have each other’s battery name so we can monitor them when they are gone for the day.

Battery Monitor BM2 BM3 Bluetooth 4.0 Wireless Battery Tester 12V Automotive Battery Load Tester,Automotive Charging and Cranking System Monitor Digital Battery Analyzer for Android & IOS
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