Hi.
I have a few 18650 batteries lying around and are probably losing charge over time.
I was thinking if I could use them to build a small UPS to use with a SBC (RockPro64) that could hold the device running for at leas t 10 minutes or so.
How hard is it to build such device and generically speaking, what components are needed?
I did some searches but what I could find were backup batteries. Not that device that can power a load when mains fails.
I don't need anything too fancy. Just a way of buying some time while we re-enable the electricity board and don't lose power on the SBC.
Thanks
Psy
Edited;
Would this be a decent canidate?
https://embeddedcomputing.com/techn...uninterruptible-power-supply-for-home-devices
Edited 1;
Once more, I think the above link is just a backup battery. Not sure it can instantly kick in case of a power shortage. I mean, to do this, it would have to have a mains voltage input, and I can't see none. I see only the car battery as input. What I want is a system where mains are connected and provideing power and then, in case mains fails, a backup battery kicks in and keeps providing power without any downtime!
I have a few 18650 batteries lying around and are probably losing charge over time.
I was thinking if I could use them to build a small UPS to use with a SBC (RockPro64) that could hold the device running for at leas t 10 minutes or so.
How hard is it to build such device and generically speaking, what components are needed?
I did some searches but what I could find were backup batteries. Not that device that can power a load when mains fails.
I don't need anything too fancy. Just a way of buying some time while we re-enable the electricity board and don't lose power on the SBC.
Thanks
Psy
Edited;
Would this be a decent canidate?
https://embeddedcomputing.com/techn...uninterruptible-power-supply-for-home-devices
Edited 1;
Once more, I think the above link is just a backup battery. Not sure it can instantly kick in case of a power shortage. I mean, to do this, it would have to have a mains voltage input, and I can't see none. I see only the car battery as input. What I want is a system where mains are connected and provideing power and then, in case mains fails, a backup battery kicks in and keeps providing power without any downtime!
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