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    X708 Power Mgt + UPS HAT Hardware   Software

The X708 is an advanced uninterruptible power supply expansion board for all current models of the Raspberry Pi using a 40 pin header. It provides

5.1V 8000mA Power Backup for even the most demanding Raspberry Pi set ups, intelligent and safe power management, safe shutdown,AC power loss/ power adapter failure detection , auto power-on, full poweroff from software, and a cooling fan. The X708 reserves the 40-pin header that can be stacked with other Raspberry Pi accessory boards for enhanced applications. The X708 can also be used with the x825/x828/x829 (2.5" HDD/SSD Shield) and x857/x862/x872 (MSATA/M.2 SSD shield) for safe data backup.

· You must read these safety instructions and warnings before charging your batteries. 
· Lithium Polymer and Li-ion batteries are volatile. Failure to read and follow the below instructions may result in fire, personal injury and damage to property if charged or used improperly. 
· Never make wrong polarity connection when charging and discharging battery packs. Always double check polarity of battery's connector to make sure "+" to "+" and "-" to "-". 
· Do not mix and use old batteries and new batteries, or batteries with different brand names. 
· Lithium batteries has it's cycle life, please replace old battery with new one when it reaches it's service life or when it is two year old, whichever comes first. 
· When charging Battery Pack, please put battery in a fire proof container. Please don't leave the X708 on the wood material or carpet and unattended. 
· Must keep the X708 away from children. 
- Raspberry Pi 1 Model B+/ 2 Model B / 3 Model B / 3 Model B+ / 3 Model A+ / 4 Model B
- Raspbian Stretch
- Safe shutdown function tested for Raspbian, other operating systems to be tested and advised

  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 8000mA Power Backup for even the most demanding RPi set ups
- Supports 2A/3A fast battery charging
- Integrated over current protection and over voltage protection
- Integrated Maxim's fuel-gauge systems (Reading battery voltage and percentage via i2c)
- Integrated 10-A fully-integrated synchronous boost converter
- Intelligent automatic charging and discharging
- Operate in both charge mode and boost mode to allow full system management and battery power mgt
- 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
- Advanced system power-path management allows 3A fast charging and powering Raspberry Pi at the same time
- On-board 4 green LEDs indicate battery charging and discharging levels of 25%, 50% , 75% and 100%
- Batteries attach via PH2.0-2P or XH2.54-2P
  Intelligent and safe power management
- Equipped with momentary button for easy power control
- Press the button to turn on
- Press the button and hold for 1~2seconds to reboot
- Press the button and hold for 3~7seconds to implement safe shutdown
- Press the button and hold for >8seconds to force shutdown
- Supports safe shutdown and full poweroff from software
- On-board blue LED shows the status of power on, reboot and shutdown
- AC power loss or power adapter failure detection (LED and GPIO indication)
- Optional to enable Auto power on when power applied or restored
- Automatic safe shutdown when battery low (voltage <3.0V)
- Ultra-low standby power consumption to maximize battery life
  Integrated cooling fan that allows the heat from your Raspberry Pi to dissipate!
- Completely solve the overheating problem of your Raspberry Pi
- Efficient drop temp of Raspberry Pi  CPU
- Powers the Raspberry Pi via the 40-pin header - no additional cabling required
- Standard Raspberry Pi extension interface, compatible with other expansion boards
- DC power jack (5.5*2.5mm) and Type-C socket convenient for power input
- On-board PH2.0 connector allows to connect external power switch and DIY your perfect case
- On-board XH2.54 power output connector allows to power other devices
- Mounting holes and standoffs provide mechanical stability of the Raspberry Pi and X708 assembly
X708-A1 Optional 18650 8-Cell battery holder
- Stackable 18650 8 cells lithium Ion holder
- Ideal solution to increase battery capacity
- Integrated battery protection circuit
- Mounting holes and standoffs provide mechanical stability of the Raspberry Pi, X708 and X708-A1 assembly
X728-A2 Optional 18650 2-Cell battery holder
- Stackable 18650 two cells lithium Ion holder
- Ideal solution to increase battery capacity
- Integrated battery protection circuit
- Mounting holes and standoffs provide mechanical stability of the Raspberry Pi, X728 and X728-A2 assembly
- Power supply via Type-C socket : 5Vdc ±5%, ≥3A
                              Via DC power jack : 5Vdc ±5%, ≥4A
- UPS output : 5.1V ±5% Max 8A
- UPS charging current: 1.8~2.2A / 2.3~3.2A

Terminal Battery Voltage : 4.24V


Recharge Threshold : 4.1V

- Battery: 3.7 Lithium Battery
- Do not apply power to your Raspberry Pi via the Micro USB socket or Type-C socket.
    Box Contents
- UPS expansion Board x 1  
- Screw M2.5 *5mm x 8  
- Hex brass spacer M/F M2.5 *20mm x 4  
- Hex brass spacer F/F M2.5 *20mm x 4  
- Jumper link Pitch 2.54mm  x 2  
- 2-cell battery holder board x 1  
- Hex brass spacer M/F M2.5 *23mm x 4  
- XH2.54-2P power cable x 1  
- 8-cell battery holder board x 1  
- Screw M2.5 *5mm x 4  
- Spacer M/F M2.5 *23mm x 4  
- Spacer M/F M2.5 *22mm x 2  
- Spacer F/F M2.5 *22mm x 2  
    Optional Accessories
  Power Supply Unit  
- AC 100 - 240V input  
- 5Vdc 4A output
- W/ EU and US plug
- 5.5*2.5 DC plug
- 1.2M cable w/ magnet ring
  See details