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submitted 1 year ago by lnxtx@feddit.nl to c/selfhosted@lemmy.world

I'm tired of buying a new 12 V battery every 1-2 years. I have about 4 small (rated ~ 300 W [not VA]) UPSes with 7 Ah, 12 V, maintenance free batteries.

I'm thinking about replacing them with one, powerful unit. But the more powerful the unit, the more it costs - non-linear.

Do you have experience with some DIY solutions? Like 12V DC to 230V AC inverter, battery charger, some UPS controller (simple relay?)?

Or maybe you have some other idea that is cheap(ish)?

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[-] REdOG@lemmy.world 4 points 1 year ago

If you have three phase power and lose power on one then batteries come in handy. Otherwise a nice generator helps. But OP will just be trading swapping one battery for a tray of batteries instead.

this post was submitted on 15 Aug 2023
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