18650 Compact Lithium Battery Charger TP4056
thingiverse
I use a compact charger for my e-cigarette. I charge it using this board: https://www.aliexpress.com/item/5-pcs-Micro-USB-5V-1A-18650-TP4056-Lithium-Battery-Charger-Module-Charging-Board-With-Protection/32797834680.html?spm=a2g0s.9042311.0.0.27424c4d6BEx7L I also use this one for my battery: https://www.aliexpress.com/item/10Pairs-18650-Battery-Contacts-Spring-Contact-Band-Plate-18-15MM-Connector-Positive-Electrode-Negative-for-Box/32824660994.html?spm=a2g0s.9042311.0.0.27424c4dduMR7l The downside is that the LED indicators are hidden.
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