ZP-0129/EP-0136 UPS Endless bootloop

• n

  njones920

  8/2/24, 11:24 PM

  Hello everyone,

  I've recently purchased the ZP-0129 case along with the EP-0136 UPS HAT for my Raspberry Pi 4B. Initially, everything seemed to work perfectly. I used both the provided Raspbian image and installed the drivers on my own. After assembling the setup, I charged it until all four LEDs indicated full charge.

  As per the wiki, I ensured to complete at least one full charge and discharge cycle. I left it for a few days to discharge the batteries.

  However, when I plugged the power back into the UPS, it got stuck in a boot cycle. It attempts to start and keeps rebooting. I'm concerned this might damage my Raspberry Pi 4B!

  Here's what I've tried so far:

  • Multiple cables and power supplies (all with sufficient power for the board).
  • Letting it sit for over an hour to see if the batteries needed a slight charge.

  Nothing has worked, and I'm starting to worry the UPS HAT might be dead. Am I supposed to disassemble the entire case to charge the batteries separately? The current case design makes the batteries inaccessible without taking everything apart, which seems counterintuitive for a UPS designed for reliability.

  What can I do to resolve this? Any help would be greatly appreciated as I currently have an unusable Pi, and I specifically bought this setup for its reliability.

  Thank you!

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