18650 single cell power bank
prusaprinters
A simple, single 18650 power bank. I tried to make this as simple as possible and still be functional. Depending on what cell you choose, there should be enough energy to fully charge a cellphone. This print is designed around a 5V boost module but can easily be adapted for other modules. If you are interested in different sizes for different modules, please reach out to me. AssemblyPrint components.base - holds the battery.shield - a physical barrier between the module and the battery. This will prevent short circuits in case something dislodges. top - holds the charging module.Solder wires to charging module.11.5cm for negative wire.4.8cm for positive wire.Super glue charging module inside top. Note ridges designed for this particular module to slide into. Super glue shield into top to prevent short circuits.Solder or spot weld wires to battery terminals.Add hot glue to negative side of battery.Insert into base and let cool.Optional - add hot glue to positive terminal and sides to secure in place.Super glue top to base. Tip - use accelerant to quickly secure the top to the base to hold it in place.Charge and enjoy! MaterialI printed this in PLA and PETG and both came out great. If you're using PLA, be aware that hot glue will warp it because of the heat. It will not with PETG. Similar Models3-Cell Power Bank9-Cell Power Bank
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