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- 6 Jul 2010
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Are you able to film and also use the power bank at the same time?Yeah. I've got a 20,000mAh power bank and was planning on bringing the GoPro battery charger with me so I have one battery charging in my bag while I film with the other battery. The GoPro hasn't arrived yet so I'm not sure how long my power bank will take to charge one battery though.
I use this method when cycling.
It keeps the GoPro battery nearly topped up, even after it's been independently charged.
But the GoPro battery does lose some of its charge, even with the power bank connected.
You're basically slowing the discharge of the battery down by using the power bank.