LiLyGo Mini ePaper Core
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  There is no battery inside, but a loader circuit. 
 Must the battery be connected to VBAT pin? Which battery type is preferred?
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 @ckuehnel ![alt text]![0_1630891882486_IMG_4333.JPG] 
 Hello, this is the battery wiring method for the extended backplate.The battery type is 3.7V lithium.
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