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Old 11-19-2021, 01:31 PM #1
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Portable LiFePO4 battery / inverter module
I found a mini milk crate (about 9 1/2" x 14" footprint) and used it to put together a portable battery pack. It has a Trojan Trillium 92Ah LiFePO4 battery with a fused line to a Giandel 1200W Pure Sine Wave Inverter, plus a 12V fuse block. On a recent trip, wiith overnight lows around 40 degrees F, and my Engel MT27F fridge plugged into the 12V outlet on this battery pack, the draw to maintain refrigerator temperature inside the Engel averaged about 0.67A.
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Old 11-19-2021, 02:02 PM #2
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Does anyone know if these battery types have a built in BMS? I’d like to find one that has a safety cutoff so the battery doesn’t get damaged from discharge.

I have a few really old vehicles that I need such a battery for, that I inevitably will run into several potential deep discharges tracking down some electrical issues if the battery doesn’t cut power at a safety point.


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Old 11-19-2021, 02:43 PM #3
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Quote:
Originally Posted by 2021nightshade4x4 View Post
Does anyone know if these battery types have a built in BMS? I’d like to find one that has a safety cutoff so the battery doesn’t get damaged from discharge.

I have a few really old vehicles that I need such a battery for, that I inevitably will run into several potential deep discharges tracking down some electrical issues if the battery doesn’t cut power at a safety point.


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This particular battery does have a BMS with low voltage cutoff as well as other safety features, and cell balancing.
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