Thoughts on powerbank with replaceable cells?
Thinking of getting one of these given 21700 cells would allow this thing to get around 10,000 mAH (37 watt hours) and cost around $3-$4 each?
Thinking of getting one of these given 21700 cells would allow this thing to get around 10,000 mAH (37 watt hours) and cost around $3-$4 each?