Daily tips and tricks from the experts at Adafruit!
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We’re not especially fond of USB batteries for wearable projects — USB plugs lack a latching connector and pull out too easily — but the fact remains that a lot of people already have these battery packs around for charging a cell phone, and may want to put it to other uses. You don’t need the JST socket or extension when using USB power, just a suitable USB cable. The battery can be carried in a pocket.