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    X750 Power Mgt + UPS Board Hardware   Software

The X750 is a multifunctional expansion board for all current models of the Raspberry Pi using a 40 pin header. It provides intelligent and safe power management, safe shutdown, full poweroff through software and an advanced uninterruptible power supply.

· 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 X700 on the wood material or carpet and unattended. 
· Must keep the X700 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
- 18650 four Cells Lithium Ion Holder
- Can work with two or three or four 18650 Lithium Ion batteries
- Can work with X750-A1 4-cell battery holder to increase battery capacity up to 38400mAh (12 18650 batteries)
- Supports 2A via micro-USB socket or 3A via DC jack fast charging
- Integrated battery protection circuit
- Integrated over current protection and over voltage protection
- Integrated Maxim's fuel-gauge systems (Reading battery voltage and percentage via i2c) - Cabling required
  Integrated 10-A fully-integrated synchronous boost converter
- Intelligent automatic charging and discharging
- On-board 4 green LEDs indicate battery charging and discharging levels of 25%, 50% , 75% and 100%
- On-board blue LED show the status of power on/off
- 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 through software
- On-board blue LED shows the status of power on, reboot and shutdown
- On-board pin header allows to select auto power-on when power supplied or battery installed
- Ultra-low standby power consumption of μA to maximize battery life
- Operate in both charge mode and boost mode to allow full system management and battery power management
- Advanced system power path management avoids frequent charging and extend battery life
- Advanced system power path management allows 3A fast charging and powering Raspberry Pi at the same time
- Powers the Raspberry Pi via the 40-pin header - no additional cabling required
- On-board DC power jack (5.5*2.5mm) and XH2.54 connector 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 connectors allow to  power other devices
- Mounting holes and standoffs provide mechanical stability of the Raspberry Pi and X750 assembly
- 18650 four Cells Lithium Ion holder
- Ideal solution to increase battery capacity (total battery capacity up to 38400mAh, 12 18650 batteries)
- Integrated battery protection circuit
- Mounting holes and standoffs provide mechanical stability of the Raspberry Pi, X750 and X750-A1 assembly
- Power supply via Micro-USB socket : 4.7~5.5Vdc, 2.5A
                              Via DC power jack : 4.7~5.5Vdc ±5%, ≥4A
- UPS output : 5.1V ±5% Max 8A
- UPS charging current: 2A via Micro-USB socket, 3A via DC jack

Terminal Battery Voltage : 4.2V


Recharge Threshold : 4.1V

- Advanced power path management active when applying power to the DC power jack
- 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
    Box Contents
- X750 Expansion Board x 1  
- GPIO and power daughterboard x 1  
- 8-pin connection cable x 1  
- Screw M2.5 *5mm x 8  
- Spacer M/F M2.5 *22mm x 4  
- Spacer F/F M2.5 *22mm x 4  
    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