Solar charger
cults3d
Solar charger for a 18650 battery we need a 5v (80x55) solar panel. an MPPT charging module solar controller 3.7 V 4.2 V and a 18650 lithium battery... as well as a few screws, e.g. 4 countersunk screws M3x7 download single flexbatter battery for 18650 https://www.thingiverse.com/thing:456900
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