You can buy a battery cover with an open usb port and moisture resistance! This is VERY relevant when shooting a long (several hours) time-lapse on the street - turn it on on the power bank and let it work.
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Action Camera SJCAM SJ4000 WiFi, 12MP, 1920x1080, 900 mAh, black
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Panasonic SDR S26 SD Camcorder Blue
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