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A<div class="toccolours mw-collapsible mw-collapsed"><div style="font-weight:bold;line-height: YES1. You can connect X7080;">Q: Does the X729 support SSD1327 OLED Display or LCD 12864?</div><div class="mw-A1 / X728collapsible-A2 battery holder via [BATcontent">A: A: XH2.54 Port to External Battery] of X729 board. But please pay attention to the correct wiring methodNO, if it is reversed, it will burn the X729does not support SSD1327 OLED Display or LCD 12864, only support ssd1306 OLED.</div></div>
<span style="color:red;font-weight:bold">The polarity of the 2pin red and black wire of X708-A1/X728-A2 is opposite to that of X729 BAT XH2.54 port.</span>
X729
,[[File:X729-IMG-4918-jumper.jpg|thumb|right|X729 V1.3 Jumper Cap Function]]
[[File:X729-IMG-4971.jpg|thumb|right|X729 V1.3 + OLED + External Momentary Switch]]
[[File:X729-Oled.jpg|thumb|right|X729]]
This X729 is an ultra-compact advanced uninterruptible power supply expansion board for all current models of the Raspberry Pi using a 40 pin header.
It provides Max. 5.1V 6000mA Power Backup for even the most demanding Raspberry Pi set ups, intelligent and safe power management, safe shutdown, auto power-on, battery reverse polarity protection circuit, AC Power Loss Detectionpower loss detection, battery capacity reading, low battery automatic shutdown, real- time clock(RTC), OLED display, Buzzeralarm, PWM Fan and Wide Voltage 6-24V Input.
The X729 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.
'''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
==Specification==
* '''Power input: 6-24Vdc ±5%, ≥3A'''recommend to [[PSU60 | Geekworm DC5521 12V/5A Power adapter US/EU plug]]
* '''UPS output : 5.1V ±5% Max 6A'''
* UPS charging current: 2.3~3.2A
* Terminal Battery Voltage : 4.24V
* Battery Recharge Threshold : 4.1V
==How to Power==
* Please use '''6-24''' power adapter with DC5521 jack to power via X729 DC port.
Important Note: Please use a <span style ="color: red>high quality power supply with surge protection and overvoltage protection!!!</span> Otherwise it is easy to burn the DC chip!
Recommend to use [[PSU60 | Geekworm DC5521 12V/5A Power adapter US/EU plug]]
<span class="tb_red ">Warning about power supply:</span>
# Don't use that adjustable voltage power supply.
# Don't use the same power supply used on LED strips.
The above two are absolute garbage power supply, can not be used!!!
==Match Metal Case==
==User Manual==
* [[X729-hardware]]: Provides some hardware parameter information* [[X729-Software]]: This script is required to install to enable safe shutdown function.
==PCB dimention==
X729 Dimensions source file (DXF): [[File:X729-PCB-v1.dxf]] - You can view it with Autodesk Viewer online
==FAQ==
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Q: Can X829 extend X728-A2 (2 cells) / X708-A1(8 cells) battery holder?
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A: YES. You can connect X708-A1 / X728-A2 battery holder via [BAT: XH2.54 Port to External Battery] of X729 board. But please pay attention to the correct wiring method, if it is reversed, it will burn the X729.
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