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X728
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[[File:X728-PCB.png|thumb|right|X728 V1.3 PCB Layout]]
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==X728 V2.0 is released==
*1. Improve the power path function, the battery will only charge and not discharge when connected to the PSU.
*2. You can choose to charge when boot up by short "CHG EN" and stop charging at shutdown.
*3. Use ultra-low voltage MCU.
*4. Increase battery overcharge, overdischarge protection circuit, added power input surge protection circuit.
*5. Added power input connector, which can be used with X715 to achieve 6~60V wide voltage input.
*6. PCB Size change: 87x63.7mm
==X728 V1.3 is released==
X728 V1.3 is released at Febuary 2021.