65W Laptop Powerbank Case for 8x18650 Batteries Shell Not Needed Welding Easy Assembly DC3.8x1.35mm / DC5.5x2.1mm Type C Power Dog Battery Pack Case

- Builts in overload, overheating, short circuits safeguards protect batteries and connecting devices The case resists rust and impacts, making it reliability for travel or frequent use - Features snapped on structure Ideal for beginners, this 18650 battery case simplifies assembly while ensuring secure powerbank functionality for daily outdoor use - Adjust voltages (3.3V-24V) via button controls Includes LED indicators for It ’ s perfect for users seeking a, customizable power - PD3.1,, QC3+, UFCS protocols (up to 65W) Note: Multiport output limits to 5V charging; single port delivers optimal speed for phone / laptop when used with high cable - High Compatibility: Supports PD65W fast charging for laptops and devices via Type C, with DC3.8x1.35mm / DC5.5x2.1mm output (3.3V-24V adjustable) Compatible for flat top 18650 batteries (not included