Camera hot shoe USB battery holder
Description
Many DSLRs can charge via USB as you are using the camera. If you need to do long exposures or lots of video, a hot shoe mounted USB battery goes a long way to keep you shooting. This design attaches either an Anker AstroMini (3350 mAh) or a Jackery Bar (6000 mAh) to keep you shooting longer (exact product links below). https://www.amazon.com/Anker-PowerCore-Lipstick-Sized-Generation-Batteries/dp/B005X1Y7I2 https://www.amazon.com/Jackery-Portable-Pocket-sized-Emergency-Flashlight/dp/B00DTXA578 The holder is designed either for the Anker AstroMini battery (23mm diameter) or the Jackery Bar battery, but I've uploaded the Fusion 360 design file if you want to make other sizes for other batteries. I've tested this with an a6500 camera, but hot shoes are standardized in size, so it should fit for most any camera. If you center the battery, it doesn't block usage of any of the dials, buttons, or EVF. You'll also need a 10mm M3 screw and an M3 nut to clamp the battery. The fit is tight enough to hold its place in the hot shoe with friction alone.
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