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RE: Off-Grid: Backpack Solar Panel - Portable 2.4 amp USB Charging
You are correct @darth-azrael - the manufacturer was refering to the 2.1 amp solar panel, not the 2.4 amp one I have. I connected my 20000 mAh battery - in full sun - and it is charging :) I'll leave it charging for the day to see if it brings it to full - it will eventually. Thanks for the correction :)