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A Raspberry Pi normally needs a wall adapter or a separate battery pack dangling off a USB cable to run portably, but this board combines an 18650 cell holder with its own power management circuitry and mounts directly beneath a Pi 3B or 3B+, turning the whole stack into a self-contained portable unit. That makes it a practical foundation for battery-powered Pi projects like a handheld retro gaming device, a mobile sensor logger, or any build that needs the Pi to run untethered from wall power for a stretch of time without needing to design custom battery management circuitry from scratch.
| Brand | Generic |
|---|---|
| Selling unit | PCS |