X1209

Overview

The X1209 is a dedicated UPS expansion board for the Raspberry Pi, delivering reliable 5.1V/6000mA backup power to ensure uninterrupted operation. It is designed to support demanding setups, including those running intensive applications or multiple peripherals.

Its advanced power management system intelligently monitors the Raspberry Pi’s status, automatically cutting off power after shutdown to optimize battery life with ultra-low standby consumption. The board also features seamless power switching during outages or adapter failures, and supports convenient functions like auto power-on and AC power loss detection.

Additionally, the X1209 offers fast charging up to 2100mA for quick battery replenishment and integrates seamlessly with compatible storage products for reliable data backup during power loss. This combination of features enhances system reliability, protects valuable data, and ensures continuous operation for Raspberry Pi users.

Features

For use with	Raspberry Pi 5 Model B / 4 Model B / 3 Model B
Key Features	UPS Output Designed for continuous long-duration operation (duration depends on battery type and applications) Supports a maximum current output of 5.1V 6000mA, suitable for most Raspberry Pi applications Integrated Advanced Power MOSFET with an equivalent of 7mΩ RDS(ON) to minimize power loss Power the Pi directly through the 40-pin header, eliminating the need for cables and soldering Equipped with XH2.54 connectors for 5V power output Battery Charging Supports fast battery charging with a capacity of 2100mA Battery charging control can be managed via GPIO Provides protection against battery overcurrent and overvoltage Built-in protection against reverse connection of battery cells Integrated Maxim's fuel-gauge systems for reading battery voltage and percentage over i2c On-board LEDs indicate battery charging and discharging levels of 25%, 50%, 75%, and 100% Features two XH2.54 battery connectors Power Input Integrated high-efficiency step-down DC-DC converter Wide operating input range of 6V to 18V Provides up to 6A output current, enabling 2.1A fast charging while powering the system Allows power input from various sources such as a car, solder panel, and more Common power input jack size of 5.5x2.1mm Compatible with Raspberry Pi USB-C Power Supply Enhanced Power Management Seamless power switching between backup power and power adapter On-board push button performs the same actions as the Pi's power button (Pi 5 only) Automatically cuts off power when the Pi is shut down On-board LED indicates power status and Pi detection AC power loss and power adapter failure detection via GPIO Auto power-on when power is applied or restored Automatic safe shutdown when battery voltage is low (programmable) Ultra-low standby power consumption to maximize battery life Advanced system power-path management to minimize frequent charging and discharging of batteries Compatible Accessories X1002 single NVMe shield for Pi5 X1005 dual NVMe shield for Pi5 X1006 PCIe to SATA 2.5 HDD+M.2 SSD shield for Pi 5 X1007 PCIe to dual SATA 2.5 HDD/SSD shield for Pi 5 X1100 USB3 to SATA 2.5 HDD/SSD shield for Pi 5 Other add-on boards are attached to the bottom of the Raspberry Pi
Technical Specification	Power input: 6-18Vdc via DC jack (12Vdc ≥3A power adapter recommended) 5Vdc 5A via USB-C UPS output:5.1V ±5% Max 6A Battery charging current: 2.1A (IMPORTANT !!-- Please confirm before connecting your battery.) Terminal Battery Voltage: 4.23V (IMPORTANT !!-- Please confirm before connecting your battery.) Battery Recharge Threshold: 4.1V Ports & Connectors: DC power jack x1- 5.5x2.1mm USB-C power in connector x1 XH2.54 battery connector x2 5V Power output connector x2 - XH2.54 2-pin 40-pin extended GPIO header x1 PCB Size: 65mm x 57mm
Notes	Do not apply power to your Raspberry Pi via the Type-C USB socket.

Packing List

• X1209 V1.0 UPS board x1
• Spacer M2.5 F/F 13.5mm x4
• Screw M2.5x5mm x8
• Pogo pin x1 (For use with Pi 5 only)

User Manual

• Hardware Installation: X1209 Hardware
• How to make it work:X1209 Software

FAQ

Q1: Question 1

A: Place the answer here.

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