Tool Less Hassle Free Power Bank Kit Featuring Spring Loaded Cylindrical Holders For 18650 And 21700 Batteries Beefy Aluminum Alloy Housing Custom Capacities Plug And Play Portable Charger Ready To Roll Anywhere

Custom DIY Power Bank Case With Spring Loaded Battery Slots
✔️ Aluminum housing holds one 18650 cell plus Type C charging port

This plug and play portable charger shell holds a single rechargeable lithium ion cell without requiring soldering work. Pack contains one complete DIY assembly set. The compact cylinder measures 26 mm x 103 mm (1.02 in x 4.06 in) and protects internal circuits while providing reliable backup juice for travel, commuting, and outdoor gadgets.

✅ Frosted aluminum build resists scratches and sheds heat fast
✅ Spring loaded contact grips 18650 or 21700 lithium cells direct
✅ Built in protection board handles 5V 2A input and output safely
✅ Tested for more than five hundred full charge discharge cycles

💡 Why pick a spring loaded power bank enclosure over welded battery packs for outdoor projects?
The snap fit wiring scheme stays handy for weekend gear mods and cuts down on shop mess.
- Heavy duty copper contacts bite tight around bare anode caps for zero voltage drop
- Standard off the shelf boards slot straight into the drilled housing tube without guesswork
- Rubber bumpers grip your jacket pocket so the unit never slides while hiking trails
- Swap dried out cells instantly to save money and reduce landfill waste every season

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