Pi-Ener-lite – A compact 18650 UPS board for Raspberry Pi Zero with RTC and fuel gauge

Designed by ACE Design Studio in China, the Pi-Ener-lite is a dedicated UPS board made specifically for the Raspberry Pi Zero series. It features a standard flat-top 18650 lithium-ion battery holder and switches to battery power when external power is lost, while supporting simultaneous charging and discharging. The Pi-Ener-lite connects to the bottom of the Raspberry Pi Zero via seven spring-loaded pogo pins that handle both power delivery and I2C data communication, leaving the top GPIO header free for other…

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