Quote:
Originally Posted by English Lee
Yes I was just thinking that... I'll get them tested
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If you have the "old school" flooded batteries (with caps, NOT sealed - maintenance free), you can check the health of your batteries yourself.
Get a battery hydrometer - about $5 at auto parts stores. It's easy to check the density of the electrolyte in each battery cell. This will tell you if you possibly have one or more dead cells.
Another problem is if the batteries haven't been "tended" well, they may have irreparable sulfate damage. The symptoms are a seemingly fully charged battery which discharges very quickly... or possibly stops charging completely. MANY batteries meet an early demise due to this.
If your BIM is wired correctly and your alternator output is sufficient, I'd look at the batteries. A residential fridge draws a decent amount of current - so do the math... make SURE your battery bank can handle the load.
When you get your issue resolved, to prevent getting back into the same predicament, (if you haven't already
) plan and execute a battery charging/maintenance strategy to keep your batteries healthy.
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