X729
Contents
Overview
X729 is a ultra compact smart and powerful Uninterruptible Power Supply (UPS) for for all current models of the Raspberry Pi using a 40 pin header.
It reserves the 40-pin header that can be stacked with other Raspberry Pi accessory boards for enhanced applications. The X729 can also be used with the X825 (2.5" HDD/SSD Shield) and X857/X862 (MSATA/M.2 NGFF SSD shield) for safe data backup.
For Use With
- Raspberry Pi 1 Model B+/ 2 Model B / 3 Model B / 3 Model B+ / 3 Model A+ / 4 Model B
SAFETY INSTRUCTIONS AND WARNINGS
- 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 X728 on the wood material or carpet and unattended.
- Must keep the X729 away from children.
- Please watch Main Video and Tutorial Video regarding 18650 batteries at: https://www.staysafebattery.com/en/
Features
UPS Output
- 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
- Integrated TI INA219 12-bit current/voltage/power monitor
- Measure both output voltage and current draw over I2C with high precision
- Integrate Advanced Power MOSFET with Equivalent of 7mΩ RDS(ON) to reduce power loss
Battery Charging
- Supports 3000mA fast battery charging
- Battery over current protection and over voltage protection
- Protection of battery cell Reverse Connection
- Integrated Maxim's fuelgauge systems (Reading battery voltage and percentage over i2c)
- Onboard 4 green LEDs indicate battery charging and discharging levels of 25%, 50% , 75% and 100%
- 18650 two cells lithium Ion holder
Power Input
- Integrated highefficiency stepdown DCDC converter
- Wide 6V to 24V operating input range
- Up to 95% Efficiency
- Up to 10A output current to keep 3A fast charging and powering Raspberry Pi at the same time
- Allows powering from a car, a solder pannel and other power sources
- Most common power input jack: 5.5x2.1mm
Power Management
- Onboard push button to control power on, safe shutdown, reboot and force shutdown
- Supports full poweroff from software
- Onboard blue LED shows the status of power on, reboot and shutdown
- AC power loss or power adapter failure detection (LED, GPIO and buzzer alarm)
- Jumper setting to enable Auto power on when power applied or restored
- Automatic safe shutdown when battery low (voltage programmable)
- Onboard buzzer alarm for power loss and low battery
- Ultralow standby power consumption to maximize battery life
- Advanced system powerpath management avoids batteries frequent charging and discharging
RTC
- Integrated Hardware Real Time Clock (RTC) with Battery BackUp
- Keeps track of the time while the Raspberry Pi is switched off
- Uses the most common DS1307 RTC real time clock
- Uses the 18650 battery to maintain the date and time no additional battery required
FAN
- Dedicated PWM cooling fan for Raspberry Pi
- Air flow up to 6.01CFM and maximum speed of 5000 RPM
- Smooth PWM adjustment provides a quiet experience
- RealTime fan speed reading
- Programmable temperature and fan speed
Misc
- Powers the Raspberry Pi via the 40pin header no additional cabling required
- Reserved 40pin stackable Header for AddOn Boards
- 1x4 Pin header and Screw holes for OLED display
- Works with all current models of the Raspberry Pi using a 40 pin header
- XH2.54 connectors for extra battery x1, 5V output x2
- PH2.04P for external power switch
Specification
- Power input: 6-24Vdc ±5%, ≥3A
- UPS output : 5.1V ±5% Max 6A
- UPS charging current: 2.3~3.2A
- Terminal Battery Voltage : 4.24V
- Battery Recharge Threshold : 4.1V
Packing List
- 1 x X729 V1.3 UPS Shield
- 2 x Jumper link Pitch 2.54mm
- 5 x M2.5 *4mm Screws
- 4 x M2.5 *7+6mm Spacers
- 4 x M2.5 *12mm Spacers
- 1 x M2.5 *20mm Spacers
User Manual
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