Disclaimer: This is on your own risk!, UPS is danger and can cause serious injuries because of High voltage, also Lithium batteries are dangerous, this is for Demo purpose only
This Series of 3 Videos - shows how to convert your home UPS from Lead Acid to Lithium Batteries.
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Cells:
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BMS:
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Welders:
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On ebay: https://ebay.to/37QE4k3
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