• Ilovethebomb
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    6 hours ago

    Good old lead acid is still quite popular in off grid and UPS systems, it’s still quite cost effective if size and weight isn’t much of an issue.

    • I_Miss_Daniel@lemmy.world
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      47 minutes ago

      Yes, but with a limited cycle life of typically 300 or so for AGM, significantly reduced if the battery is ever more than 50% discharged. Also high losses in charging, and needing an extended duration of high voltage low current charging to get to 100% from 80%