Recent content by toddbailey

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    Balancing 12 volt battery banks

    How do I balance 4 12 volt battery packs? these are sealed LiFePO4 batteries in a 4s config with their own internal BMS, similar to a drop in 12 volt replacement battery I'm using a charger designed for 54 volt LiFe batteries but it doesn't offer balancing electronics like a separate 14s BMS...
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    Building a pack for Engine Starting

    nah, improving the wheel. a replacement 8D easily sets me back $350, plus I have to drive 40 miles to exchange, plus having to deal with all the corrosion and maint. A LiFePO4 battery bank will set me back about 500 and be 100 pounds lighter, and last 4x longer.
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    Building a pack for Engine Starting

    forgot to mention, i'll be using sinopoly 12volt 100 ah bundle at about $500
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    Thoughts on using SLI/AGM batteries

    I gave up on the idea of using sli or agm batteries. Too much weigh and too short of a lifespan. Instead I came across LiFePO4 batteries on Amazon, I settled on 4 Miady brand rated at 12 volt and 16 amp/hr. the pack weighs in at just under 16 lbs, sli/agm would have tipped the scales at...
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    Building a pack for Engine Starting

    Hi All, I'm done with Lead acid batteries, My Rv sits most of the time and no matter how much I monitor the batteries when ever I want to use it the batteries have failed. Enough is enough. Time for a different chemistry. I am trying to start a diesel cummins L10 engine, the battery...
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    Thoughts on using SLI/AGM batteries

    I'm in the planning stages of converting a mtb to ev assist. I'm finding the Li battery packs quite expensive, LiFePO4 are not even close to my budget. Enter the old tech of SLA batteries, I need 36 volt at 12 amp/hr, I am thinking of 3x or 4x 15 to 20 amp/hr agm/sli deep cycle batteries in...
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