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Please refer to [[U100]] if you want a cheap version, [[U100]] provides enough voltage¤t output Update:* Added protection circuit and AUTO Power alarm function when the battery is reversely connected (RESERVED will be on funtion, )* Supports the control of two fan speeds* Solved the problem that the old version can'''no extra programmable t charge when the battery is exhausted* Improved AUTO ON function* Added battery over-discharge function* Improved power path management function'''.(PS: U100 has been discontinuedwhen external AC power is supplied, the AC PSU supplies power to the UPS shild and also charges the battery.)
Current version is ==X708 V1.2, there are the following change with V1.0;is released==
X708
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Our original intention of designing X708 is to match with NAS shell (such as [[X829-C1]], [[X857-C3]] or [[X857-C1]], [[X825-C2 Case |X825-C7]]) to provide a raspberry pi NAS 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;
==X708 V2.0 is released==
x708 v2.0 is release on April 2022.
<span style="color:red;font-weight:bold">[NOTE]</span>
<span style="color:red;font-weight:bold">Some changes:</span>
* Remove the ASD function but you can achieve this function through software programming. Please refer to [[X708-Software]]