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    Anyone in NY see this recent law passed against DIY or non UL2271 packs for mobile vehicles?

    Came across this on the jag35 website... NEW YORK residents: On 3/2/2023 New York passed a law banning the sale of lithium-ion batteries for mobility devices that are not certified to UL 2271, and the assembly and reconditioning with cells removed from used batteries for commercial sale within...
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    Anyone have experience with multiple cheap mppt boost charge controllers like you would use in a solar golf cart setup or ebike charging?

    so I have a 48v lithium powerd cart with a 360w 42v panel as a roof... im currently using one of those cheap green MPT-7210a units and it works but when theres even the slightest shadow or a bird flies overhead it resets back to zero and takes a bit to get back to charging.. just looking for...
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    Got my cells from aliexpress today.

    Back in november (6th) I ordered 16 "90ah" cells from Global power co on aliexpress. I knew I was taking a risk but the feedback from others was mostly positive and they are a "top brand" seller. anyway the cells arrived today 2 days before the deliver by deadline. the barcode shows them as...
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    EVE or Higee cells?

    im building a battery pack for a solar golf cart conversion and Docan has both 105ah eve or 120ah Higee cells that im considering... any advice on which to go with? will the 120ah cells be more forgiving when under high current draw conditions? This 36v pack might see amp current loads around...
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