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CN3300 4-string battery pack board

 
Overview

This is an upgraded version of the 6-channel benchmark supporting battery pack board. It uses the CN3300 lithium battery boost charging chip and uses four 3200MA 18650 batteries. The power is enough for 320 hours of use. It has an external lithium battery pack backup charging input and TYPE-C charging. input, easy to carry, and uses a lithium battery over-discharge and over-shoot protection chip to ensure no over-discharge and over-shoot.

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