Hi,
I have a 5000 mAh power bank that I need to charge using solar panel. The power bank is standard USB one, with micro USB charging port and I have 2 6V solar panels. Can I connect the 2 panels in parallel and connect them directly to the USB charging port or do I need charge controller ?
I have a 5000 mAh power bank that I need to charge using solar panel. The power bank is standard USB one, with micro USB charging port and I have 2 6V solar panels. Can I connect the 2 panels in parallel and connect them directly to the USB charging port or do I need charge controller ?