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1x X708 Expansion Board
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8x M2.5 *5mm Screws
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4x M2.5 *12+6mm Spacers
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4x M2.5 *12mm Spacers
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1x Jumper link Pitch 2.54mm
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Our original intention of designing X708 is to match with NAS shell (such as X829-C1, X857-C1, X825-C7) to provide a storage solution with UPS function. In order to save space, we must separate the battery from the UPS expansion board when designing . This is also the biggest difference between X708 and X728;
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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 Max. 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.
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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.
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Raspbian Stretch
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Safe shutdown function tested for Raspbian, other operating systems to be tested and advised
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Provides continuous operations for up to 10~30hours (depending on battery type and qty used)
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Max 5.1V 8000mA Power Backup for even the most demanding RPi set ups
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Supports 2A/3A fast battery charging
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Integrated over current protection and over voltage protection
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Integrated Maxim's fuel-gauge systems (Reading battery voltage and percentage via i2c)
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Integrated 10-A fully-integrated synchronous boost converter
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Intelligent automatic charging and discharging
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Operate in both charge mode and boost mode to allow full system management and battery power mgt
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Integrated IN-to-SYS pass-through path to pass the input voltage to the system
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Advanced system power-path management avoids batteries frequent charging and discharging
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Advanced system power-path management allows 3A fast charging and powering Raspberry Pi at the same time
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On-board 4 green LEDs indicate battery charging and discharging levels of 25%, 50% , 75% and 100%
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Batteries attach via PH2.0-2P or XH2.54-2P
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Intelligent and safe power management
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Press the button to turn on
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Press the button and hold for 1~2seconds to reboot
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Press the button and hold for 3~7seconds to implement safe shutdown
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Press the button and hold for >8seconds to force shutdown
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Supports safe shutdown and full poweroff from software
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On-board blue LED shows the status of power on, reboot and shutdown
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AC power loss or power adapter failure detection (LED and GPIO indication)
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Optional to enable Auto power on when power applied or restored
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Automatic safe shutdown when battery low (voltage <3.0V)
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Ultra-low standby power consumption to maximize battery life
Integrated cooling fan that allows the heat from your Raspberry Pi to dissipate!
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Completely solve the overheating problem of your Raspberry Pi
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Efficient drop temp of Raspberry Pi CPU
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Powers the Raspberry Pi via the 40-pin header - no additional cabling required
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Standard Raspberry Pi extension interface, compatible with other expansion boards
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DC power jack (5.5*2.5mm) and Type-C socket convenient for power input
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On-board PH2.0 connector allows to connect external power switch and DIY your perfect case
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On-board XH2.54 power output connector allows to power other devices
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Mounting holes and standoffs provide mechanical stability of the Raspberry Pi and X708 assembly
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Power supply via Type-C socket: 5Vdc ±5%, ≥3A; Via DC power jack: 5Vdc ±5%, ≥4A
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UPS output : 5.1V ±5% Max 8A
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UPS charging current: 1.8~2.2A / 2.3~3.2A
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Terminal Battery Voltage : 4.24V
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Recharge Threshold : 4.1V
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Battery: 3.7 Lithium Battery
