I have an UPS with two 12v 7ah lead batteries. If I want to change the batteries I would typically go with lead batteries but here’s my question, can I use some portable mobile power banks to use it?

Because I have a 20000mah “INUI” lithium power bank that is rated for 12v at 1.5A, is it a good practice to buy several of these (since they are about 20 bucks) disassemble them and use them as ups batteries?

EDIT : clarifications

  • aubeynarf@lemmynsfw.comEnglish
    13·
    2 days ago

    No, your UPS is tailored to the characteristics of the lead-acid charge/discharge cycle. Some LiFePO4 battery assemblies are built with charging electronics that simulate lead-acid for a drop-in replacement, but those are never cheaper than traditional lead-acid batteries.

    • SpikesOtherDog@ani.socialEnglish
      2·
      2 days ago

      This is correct.

      Additionally, you would not want to substitute a larger or smaller capacity battery as the charging cycle of the UPS is built for a specific capacity.

      • cmnybo@discuss.tchncs.deEnglish
        1·
        2 days ago

        A larger battery generally works fine with an older, dumb UPS. You will just have to connect an external charger if the battery gets deeply discharged. Adding a cooling fan to the UPS would be a good idea since it will be running for a longer time though.