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    X750 Power Mgt + UPS Board Hardware   Software

The X750 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 and full poweroff through software. The X750 fits snugly on bottom of a Raspberry Pi making the Raspberry Pi mobile by providing a power source for extended period of time.

· 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