Are Lilypad and Fio the only arduino boards that come with an onboard battery

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Are Lilypad and Fio the only arduino boards that come with an onboard battery charging circuit?

I’ve been making 3d printed necklaces as gifts (!!!) and want people to be able to just plug them in with a USB cable instead of mucking about with battery chargers or disposable batteries. I’m using trinket / trinket pro and a separate lil’ charger breakout now… is there a better way to do this with one itsy bitsy board?

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that’s actually what I’m using… that and these other ones because I had a bunch on hand: https://www.adafruit.com/products/1905
Was just wondering if there’s a smaller board that will let me jump straight to onboard-usb-charging.

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i’m using the lipo backpack on the 3v protrinket

for wearables who need a board with atmel328. otherwise trinket or gemma.