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Geekworm Raspberry Pi X728 (Max 5.1V 6A) 18650 UPS & Power Management Board with Auto On & Safe Shutdown Function

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X728 V2.5 is released in August 2023.


      The X728 is an advanced uninterruptible power supply expansion board for all current models of the Raspberry Pi (Raspberry Pi 4B/3B+/2B/B+) using a 40 pin header. It provides 5.1V 6000mA Power Backup for even the most demanding Raspberry Pi set UPS, intelligent and safe power management, safe shutdown, auto power-on, full poweroff from software, and a real- time clock.

      User Manual:

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      For Use With

      • Raspberry Pi 5
      • Raspberry Pi 4 Model B
      • Raspberry Pi 3 Model B+ /3B/2B/B+/3A+

      Operating System

      • Raspbian Stretch
      • Safe shutdown function tested for Raspbian, other OS NOT to be tested and advised

      Key Features
      Smart and powerful Uninterruptible Power Supply (UPS)

      • Provides continuous operations for up to 10~30hours (depending on battery type and qty used)
      • Max 5.1V 6000mA Power Backup for even the most demanding RPi set ups
      • Can work with X728-A2 stackable 2-cell battery holder to increase battery capacity
      • Integrated over current protection and over voltage protection
      • Integrated Maxim's fuel-gauge systems (Reading battery voltage and percentage via i2c)
      • User Manual:

      Intelligent and safe power management

      • Equipped with momentary button for easy power control
      • Press the button to turn on
      • Hold for 1~2seconds to reboot
      • Hold for 3~7seconds to implement safe shutdown
      • Hold for >8seconds to force shutdown
      • Supports safe shutdown and full poweroff through software
      • Integrated IN-to-SYS pass-through path to pass the input voltage to the system
      • Advanced system power-path management avoids batteries frequent charging and discharging
      • More detail:

      Integrated Hardware DS1307 Real Time Clock (RTC) with Battery Back-Up

      • Keeps track of the time while the Raspberry Pi is switched off
      • Allows the Raspberry Pi to retrieve the current date and time when it is switched back on
      • Uses the 18650 battery to maintain the date and time - no additional battery required
      • Powers the Raspberry Pi via the 40-pin header - no additional cabling required
      • On-board DC power jack (5.5*2.5mm) and Type-C socket convenient for power input
      • More detail:


      • Power supply via Type-C socket : 5Vdc ±5%, ≥3A, Via DC power jack : 5Vdc ±5%, ≥4A
      • UPS output : 5.1V ±5% Max 6A
      • UPS charging current: 2.3~3.2A
      • Terminal Battery Voltage : 4.24V
      • Recharge Threshold : 4.1V


      • Do not apply power to your Raspberry Pi via the Micro USB socket or Type-C socket.
      • Do not use 18650 battery with built-in protection circuit.

        Packing List

        Only X728 V2.5

        • 1x X728 V2.5 Expansion Board
        • 8x Screws M2.5 *5mm
        • 4x Spacer M/F M2.5 *20mm
        • 4x Spacer F/F M2.5 *20mm
        • 1x Jumper link Pitch 2.54mm

        Read Me: Different variants sells different items. Please refer to the product photo of the packing list of each variants.


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          For detail refer to Shipping Policy

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