diy solar

diy solar

Recent content by Thindra

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    Cell spikes above 3.65v when charging with more than 10amp

    All connections are checked, and I double checked cell #2 with my multimeter both when charging and discharging. I top balanced by connecting the 4 cells in parallel and charged to 3.65v with a benchtop power supply, I let them charge until the power supply was "flickering" between 0.0a and...
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    Cell spikes above 3.65v when charging with more than 10amp

    Hi, i have a problem with one cell spiking when charging and dropping much more than the others. I have a 12v pack of 190ah. I did a top balance to 3.65 and did an "in real life" capacity test aboard my boat which I live in to see how many ah I could get from them. This means that amp out...
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    Can i use a BMS as a capacity tester?

    Thank you snoobler :)
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    Can i use a BMS as a capacity tester?

    Hi, This is my first post here; a (simple?) question: I have 4 190ah cells in a 12v configuration. Can i top balance, then run a capacity test using the BMS (from Overkill with bluetooth dongle) and a 500w (40a/0.2C) heating element? That way i can have the BMS tell me how many ah the battery...
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