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Pimoroni Pico LiPo Power SHIM for Raspberry Pi Pico and Pico W

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This SHIM from the Pimoroni Pirates provides a convenient way of powering your Raspberry Pi Pico from a LiPo/LiIon battery. You can recharge the battery easi...

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This SHIM from the Pimoroni Pirates provides a convenient way of powering your Raspberry Pi Pico from a LiPo/LiIon battery. You can recharge the battery easily by providing power to the Pico's USB port, then take your Pico or Pico W project on the go with the battery pack powering your circuitry.
Solder this neat little square to the pins on the back of your Pico, plug in a suitable lithium-ion/polymer battery and tada - a LiPo Pico! The inbuilt charging circuit means you can recharge the attached battery by supplying power to the Pico via USB, and it includes protection against overdischarge and overcurrent.
There's a power button to stop the SHIM from providing battery power when it's not needed and turn your project on and off, as well as two LED indicators - a white one that shows when the shim is providing power and a red one to tell you when the battery is being charged.
Safety note! You should only use this SHIM with LiPo or LiIon batteries, and you should make sure that any project involving LiPos is sufficiently protected from being dented, bent, punctured, or crushed.
  • MCP73831 charger with 215mA charging current (datasheet)
  • XB6096I2S battery protector (datasheet)
  • Power button
  • 2-pole JST PH connector, with polarity marked on the board
  • Power and charging LED indicators
  • Compatible with Raspberry Pi Pico.
  • Soldering required.
  • Dimensions: approx 21mm x 21mm x 7mm (L x W x H, including connectors)
  • Schematic
Raspberry Pi Pico, battery, and other Pico add-ons are not included!

Jargon buster

Plain-language definitions for the technical terms used above.

JST PH
A small keyed plug-and-socket connector with 2 mm pin spacing, often used for low-power electronics connections. You need the correct JST PH cable, and its current rating limits how much power should be passed through it.
LED
A light-emitting diode (LED) is a small electronic component that emits light when current flows through it in the correct direction. Because it only conducts one way, its polarity matters, and a through-hole LED must be soldered the correct way around to light up.
LiPo
A LiPo (lithium polymer) battery is a rechargeable lithium battery widely used in portable projects because it is light and compact. LiPo cells need correct charging circuitry and careful handling to stay safe, so equipment that supports LiPo generally includes charging or protection hardware suited to that battery type.
MCP73831
A lithium battery charger chip used to safely charge a single-cell LiPo battery. It matters because it lets the board recharge a battery from USB or another input without needing a separate charger module.

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