Pi Zero UPS HAT(B)
Uninterrupted Power & Solar Management
This board is a dedicated uninterruptible power supply (UPS) solution designed specifically for the Raspberry Pi Zero series, with a focus on safety, intelligence, and reliability. It integrates a suite of advanced power management components, including:
- A battery protection IC for safe charging and discharging
- An LED fuel gauge chip for real-time battery level indication
- A high-precision battery monitoring chip supporting I2C communication
- A multi-functional charge management chip that enables simultaneous charging and discharging
The board provides a stable 5V regulated output, ensuring reliable operation for your Raspberry Pi even during power interruptions.
Additionally, it includes an onboard solar energy management chip, supporting 5V–24V solar input, expanding the possibilities for off-grid or renewable energy applications.
From robust hardware safeguards to developer-friendly features, this module is more than just a power supply—it's a versatile tool that empowers innovation while maintaining a compact footprint.
Despite its small size, it delivers impressive endurance. For example, with a 1500mAh battery and no external peripherals connected, it can remain on standby for approximately 9 hours. This compact and portable design makes it an excellent choice for mobile or remote-edge Raspberry Pi projects.
Product Features
- Plug-and-Play Compatibility：Fully compatible with the Raspberry Pi Zero series—no driver installation or configuration required. Just plug in and power up.
- True Uninterruptible Power Supply：Equipped with a smart charge management chip supporting path control for seamless switching between charging and discharging—ensures stable 5V output without power drops.
- Wide-Range Solar Input with MPPT：Supports 5V–24V photovoltaic input, with onboard MPPT algorithm for intelligent tracking of the maximum power point, maximizing solar charging efficiency.
- Onboard Battery Level Indicator：Integrated LED fuel gauge provides a clear, real-time visual of battery charge status for easier power monitoring.
- Real-Time Power Monitoring & Stable Output：Features an onboard boost converter and battery monitoring chip that provide a stable 5V regulated output while tracking key parameters such as voltage, current, and power in real time.
Product Specifications
Specification | Details |
Model | Pi Zero UPS HAT (B) |
Onboard Chips | TPS61088, ETA6003, CN3791, INA219, HM1160 |
Communication Interface | I²C |
Power Input | USB: 5V / Solar: 5V–24V |
Output Voltage | 5V |
Mounting Hole Diameter | 2.5mm |
Dimensions | 65mm (L) × 30mm (W) |
Uninterrupted Power
With an onboard path management charging chip, this HAT ensures seamless power switching (charge/discharge)for continuous operation, even during power fluctuations
Versatile Solar Input
Supports a wide 5V-24V photovoltaic input and integrates an MPPT algorithm for optimal solar energy harvesting
Clear Battery Status
An onboard battery level LED display provides an instant, intuitive visual of your battery's charge status
Real-Time Monitoring & Stable Output
Features integrated boost and battery monitoring chips, providing a stable 5V outputwhile tracking critical battery
parameters like voltage, current, and power in real-time
Advanced Multi-Protection
Includes multiple integrated protection circuits such as solar input anti-reverse, battery overcharge, discharge overcurrent, over-discharge, and short-circuit protection, ensuring system safety and stable operation
Resource Profile
①Power & Communication Pins②Boost Converter Chip for 5V Output③Lithium Battery Charging Chip④Type-C Connector: Supports 5V input
⑤Solar Charging Connector: Connects to solar panels via terminal block; be sure to observe correct polarity ⑥Solar Charging Chip
⑦Slide Switch: When switched to ON, the power pin outputs 5V; when OFF, 5V output is disabled
⑧MPPT Voltage Setting DIP Switch: Used to configure the MPPT charging voltage according to the solar input, improving charging efficiency
⑨Onboard Battery Level Indicator LEDs⑩Charging Indicator LED: CHRG LED lights up when power is supplied via Type-C or DC input
⑪M2.5 Mounting Hole⑫2-Pin Lithium Battery
Dimensions
WIKI
Pi Zero UPS HAT（B） - WikiPackage Content
①Pi Zero UPS HAT（B）x 1
②Acrylic protection plate x 1
③3.7V 1500mAh Battery x 1
④Accessory Bag x 1
