18650 Charger (micro usb)
thingiverse
A very small & portable charger for 18650 batteries. I use this one in combination with my phone charger. It allowes me to travel light. the batteryholder & electronics are both from Ali. total cost: < 1 euro, net weight : 15 gr. Instructions: 1 buy parts 2 drill holes in batteryholder 3 connect wires to pcb 4 fit pcb in printed part 5 test charger 6 fix battyry holder with double sided adhesive tape Ive tried printig a batteryholder but buying one makes a reliable charger! batteryholder: https://www.aliexpress.com/item/New-Plastic-18650-Battery-Case-Holder-Storage-Box-with-Wire-Leads-for-18650-Batteries-3-7V/32658520557.html?spm=a2g0z.10010108.1000001.8.23126cf42nhmQX&isOrigTitle=true PCB: https://www.aliexpress.com/item/New-1Pcs-lot-5V-1A-Micro-USB-18650-Lithium-Battery-Charging-Board-Charger-Module-Protection-Dual/32631921696.html?spm=a2g0s.9042311.0.0.67614c4dJUROQp
With this file you will be able to print 18650 Charger (micro usb) with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on 18650 Charger (micro usb).