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==X728-A1==
<span style="color:red;font-weight:bold">X728-A1 Optional Raspberry Pi cooling fan</span>
* Completely solve the overheating problem of your Raspberry Pi
* Efficient drop temp of your Raspberry Pi by using the X728-A1
* Stackable design allows you to connect both X728 and X728-A1on your Raspberry Pi
* On-board XH2.54 power output connectors allow to power other devices
* Reserves the 40-pin header that can be stacked with other Raspberry Pi accessory boards
==X728-A2==
<span style="color:red;font-weight:bold">X728-A2 Optional 18650 2-Cell battery holder</span>
* Stackable 18650 two cells lithium Ion holder
* Ideal solution to increase battery capacity
* Integrated battery protection circuit
X728
,no edit summary
[[File:X728-IMG-7956.jpg|thumb|right|X728 ups board-Front]]
[[File:X728-IMG-7957.jpg|thumb|right|X728 ups board-Back]]
[[File:X728-IMG-7975.jpg|thumb|right|X728 ups board]]
[[File:X728-A1-IMG-8199-Packing-List.jpg|thumb|right|X728-A1 Packing List]]
[[File:X728-A2-IMG-8211-Packing-List.jpg|thumb|right|X728-A2 Packing List]]
[[File:X728-PCB.png|thumb|right|X728 PCB Layout]]
{{GD Template Impl}}
==Overview==
==SAFETY INSTRUCTIONS AND WARNINGS==
* <span style="color:red;">You must read these safety instructions and warnings before charging your batteries. * <span style="color:red;">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. * <span style="color:red;">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 "-". * <span style="color:red;">Do not mix and use old batteries and new batteries, or batteries with different brand names. * <span style="color:red;">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. * <span style="color:red;">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. * <span style="color:red;">Must keep the X728 away from children. *Please watch Main Video and Tutorial Video regarding 18650 batteries at: https://www.staysafebattery.com/en/
==Features==
* 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
* Can work with [[X728#X728-A2|X728-A2 ]] stackable 2-cell battery holder to increase battery capacity
* Supports 3000mA fast battery charging
* Integrated over current protection and over voltage protection
* On-board XH2.54 power output connector allows to power other devices
* Reserves the 40-pin header that can be stacked with other Raspberry Pi accessory boards
===SPECIFICATION===
* <span style="color:red;font-weight:bold">Do not apply power to your Raspberry Pi via the Micro USB socket or Type-C socket.
* <span style="color:red;font-weight:bold">Do not use 18650 battery with built-in protection circuit
==Packing List==
* Spacer M/F M2.5 *20mm x 4
* Spacer F/F M2.5 *20mm x 4
* Jumper link Pitch 2.54mm x 3
==X728-A1==
<span style="color:red;font-weight:bold">X728-A1 Optional Raspberry Pi cooling fan</span>
* Completely solve the overheating problem of your Raspberry Pi
* Efficient drop temp of your Raspberry Pi by using the X728-A1
* Stackable design allows you to connect both X728 and X728-A1on your Raspberry Pi
* On-board XH2.54 power output connectors allow to power other devices
* Reserves the 40-pin header that can be stacked with other Raspberry Pi accessory boards
* '''X728-A1 supports [[X750]]/[[X758]] also.'''
==DocumentX728-A2==<span style="color:red;font-weight:bold">X728-A2 Optional 18650 2-Cell battery holder</span>* Stackable 18650 two cells lithium Ion holder* Ideal solution to increase battery capacity* Integrated battery protection circuit
==User manual==
* [[x728-Software]]
* [[x728-hardware]]
==FAQ==
Q: Why X728 automatically shuts down?
A:
1. X728 will automatic safe shutdown when battery voltage is low than 3.0V, please charge in time;
2. Please try the following operation by step:
# Remove all jumper cap,
# Remove all 18650 battery
# Place 18650 battery again and wait a few seconds before testing
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