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The PiJuice HAT - Portable Power Platform for Pi

Pi Supply Pi Supply



The PiJuice HAT allows Makers to take their projects out into the world, equipped with a 1820mAh Lithium Battery for long-lasting Portable Pi Power.

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Baking up exciting Raspberry Pi Projects is always fun, and often leads to even better ideas and evolutions of the original concept, which can turn seemingly simple projects into amazing blends of art and science that are as novel as they are unique. However, no matter how extravagant, simple or elegant your Pi projects might be, they all share the common limitation of needing Power to work their magic.

The PiJuice HAT is an awesome solution to keeping your Pi Powered, and acts as a Portable Power Platform for Pi’s on the move. This allows Pi-Makers like yourself to take your projects out into the world, into communities, and into spaces where their functionality can really be utilised on a much larger scale. It operates on a reasonably high-capacity 1820mAh Lithium battery, and can be integrated very easily by simply plugging the HAT onto the top of a Raspberry Pi Board in the same way that you utilise any other Pi HATs – Making it not only effective, but also one of the easiest Raspberry Pi HATs to use for both beginners and veterans alike.

While it’s certainly possible to equip the PiJuice HAT with a larger or even a smaller battery if that would better suit your use case, the stock 1820mAh battery is carefully chosen in order to maintain full operations for between 4 to 6 hours of operation. This is more than enough juice to outlast a typical load-shedding session or perform throughout a standard Maker Expo or Convention, but of course if you are taking your Pi up into the mountains or on long adventures with you, then you may want to get a larger battery, or possibly acquire some extra PiJuice HATs to swap out as you need to Power Your Pi.

Please Note: Although this larger PiJuice HAT from Pi Supply does indeed work with the smaller Raspberry Pi Zero boards, if you are looking for a better-fitting or more discrete option for your Raspberry Pi Zero, Zero W or Zero WH, be sure to check out the smaller PiJuice Zero HAT, which caters specifically to the smaller form factor.


The PiJuice HAT: Portable Power Platform for Pi  -  Technical Specifications:

  • Input Voltage                                                  

– 4.2V to 10V DC

  • Output Voltage

– 3.3V and 5V

  • Max Output Current (5V GPIO)

– 2.5A (Requires ≥3500mAh Battery)

  • Max Output Current (VSYS)

– 2.1A (Requires ≥3500mAh Battery)

  • BP7X Output Current (5V GPIO)  

– ±1.1A

  • BP7X Output Current (VSYS)

– ±1.6A

  • Included Lithium Battery

– BP7X Battery: 3.7V 1820mAh

  • Onboard Microcontroller

STM32F030CCT6 | 48MHz ARM Cortex-M0

  • Charging IC

– BQ24160RGET | 2.5A @ 4.2V to 10V DC

  • Fuel Gauge IC

– LC709203FQH-01TWG | 1-Cell


– CAT24C32WI-GT3 | 32Kbit, 400KHz

  • 6-Pin Breakout Header

– Vsys / 5v0 / 3v3 / GND / 2 x ARM Cortex-M0 GPIO

  • Raspberry Pi Compatibility

– Raspberry Pi 4B | 3B+ | 3B | 2B

– Raspberry Pi Boards with 40 GPIO Headers

– For Raspberry Pi Zero Boards, We Suggest PiJuice Zero HAT

  • Weight (Packaged)

– 96g

  • Weight (HAT)

– 57g

  • Dimensions

– 65 x 56 x 20mm


Parts Included with The PiJuice HAT Portable Power Platform for Pi:

  • 1 x PiJuice HAT
  • 8 x Mounting Screws (4 Preinstalled)  
  • 1 x BP7X Battery with Shroud
  • 4 x Mounting Spacers
  • 1 x PiJuice Usage Guide
  • 3 x Pi Supply Stickers
  • 1 x Pogo Pin
  • 1 x DIYElectronics Sticker


Typical Applications for The PiJuice HAT Portable Power Platform for Pi:

Whether you’re trying to escape the typical hassles of load-shedding, are eager to take your Pi project out on adventures with you, or like to move your Pi between your office, home or college, the PiJuice HAT is an easy and effective solution that is perfect the way it is, but can even be upgraded with a larger Lithium Battery if necessary. With that in mind, it would be impossible to exhaust the list of potential projects that this could be used for, and so we’re just going to talk about our personal favourites, to give you some examples of what you could do with your own PiJuice HAT:

  • Turning boring old home-projects into portable powerhouses that travel the globe with you, providing your favourite functionality throughout the journey.
  • Building an off-grid computer to handle larger projects or systems that are in remote locations or places too expensive to supply power for, such as a cabin in the mountains, a barn on the far side of the farm, or even just a granny flat in an odd location – with Solar Panels to keep it charged and ready for usage whenever you need it.
  • Providing your favourite Pi Projects with a reliable Uninterruptible Power Supply solution, so as to avoid unnecessary frustration, data corruption, or possibly even loss of income from problems relating to load-shedding, power cuts or even just power-trips from unexpected causes.

The PiJuice HAT Portable Power Platform for Pi is an awesome solution if you’ve been eager to free your Pi from the Power Grid, offering up to 6 hours of full functionality even when operating at maximum power consumption. Additionally, and this is the cherry on top of an already-awesome sundae, the PiJuice HAT is also quite versatile in the way that you can install larger or smaller batteries if necessary, and you can even keep spare batteries with you to swap them out as each one runs low.


Additional Resources:

  • This is the Original Pi Supply Site, which contains a fantastic amount of information and insights into all of the fine details behind this beautiful product. Be sure to check it out if you need any further info’.
  • This is a PiJuice Getting Started Guide, to help you get your new HAT installed and operating in full power, with a helpful FAQ to answer some common questions too.
  • The Official Pi Supply GitHub Repository, with documentation, technical specifications and insights into the code and components that make it all work.
  • This is an awesome PiJuice Lifespan Calculator, in which you can choose the battery capacity, the board you’re using, as well as the mode of operation (idling/Load LXDE/Watching Video) to find out precisely how long the battery will last before running out of power.


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The PiJuice HAT - Portable Power Platform for Pi

The PiJuice HAT - Portable Power Platform for Pi

Pi Supply is a fantastic brand that truly personifies the open-source movement. Having been founded by a single individual with a passion for electronics and audio, and growing into a world-recognised brand that now supplies specialised expansion boards to a global community, the humble hobbyist beginnings of Pi Supply began with the simple need for a convenient power-switch for a Raspberry Pi board stored under a bed.

Since their humble beginnings, Pi Supply have grown to be a full team of passionate Makers who truly live up to the name of “The Maker Emporium”, with over 7 different product ranges launched over Kickstarter, and a growing catalogue of over 800 items now available – all with fantastic after-sales support, which is something that we consider to be extremely valuable.