Teardown of a USB flashlight / torch keychain.
bigclivedotcom 9:37
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This is a fairly common type of LED keyfob on ebay. It has a rotating front bezel that turns on a single LED, and a USB plug covered by the rear cap that is used to recharge the flashlight.
Inside is a lithium cell and the charging circuitry....
Inside is a lithium cell and the charging circuitry....
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