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  1. D

    Computer UPS via 18650? Or just a general purpose power bank with a big inverter?

    There are some issues with the use of 18650 Li-ion in systems that expect SLA cells. I think This link does a pretty good job of explaining why. The situation I have is I'd like to have a UPS to use with computers, and I have a ton of 18650 cells I've got lying around, but there are no...
  2. Twan

    What do you want in a Battery Pack (+additional hardware) ?

    Hi fellow battery enthusiasts, Every now and then I make a custom 18650 li-ion battery pack to provide hobby projects with a (mobile) power supply. Just like me, you might have found tons of guides and information on the web on how to build your own pack. In my opinion the variety of...