Heavy Duty Dual Battery Case For Two 18650 Or 26650 Cells With Waterproof Cover And Built In USB Charger, Game Changer Power Bank Delivering Solid 8.4V Output Plus Fast 5V Phone Charging For Camping And Daily Carry Gear

IPX7 dual battery case with waterproof usb output hub
✔️ Houses two 18650 cells delivers 8.4v main plus 5v usb transfer

This single heavy duty power bank housing is designed to hold two matched 18650 lithium ion cells safely while acting as a reliable field generator for tools, lights, and camp gear. The sealed plastic and metal shell protects your setup from dust, rain, and everyday road grime during outdoor trips or job site work.

✅ Fits two 18650 or 26650 cylindrical li ion batteries
✅ Measures 9.5 by 7.3 by 2.5 cm with a 36 cm attached cord
✅ Provides steady 8.4v direct feed plus fast 5v usb mobile charging
✅ Cuts power instantly using built in overcharge and short circuit boards

💡 Why is a rugged dual cylinder battery crate so handy for mobile electronics and remote lighting rigs?

A hard shell power case stabilizes inconsistent cell chemistry while you are working far from outlets.

- Precision welded terminals stop sudden voltage drops during peak tool draw events

- IPX7 rubber gasket seals out mud and sweat during weekend trail maintenance jobs

- Smart charge cutoff chips kill the circuit before dangerous heat levels reach your pack