PD 45W DIY Power Bank Case 8-Slot 18650 Battery Shell
Build your own high-capacity power bank with the PD 45W Power Bank Case 8-Slot 18650 DIY Battery Shell. Engineered for makers and tech enthusiasts, this rugged enclosure holds up to 8 standard 18650 lithium cells and supports 45W Power Delivery fast charging — giving your devices a rapid, reliable top-up wherever you are.
Crafted from a durable plastic + metal composite, this shell strikes the perfect balance between lightweight portability and long-lasting toughness. With a compact footprint of 160 × 57 × 46 mm (6.29 × 2.24 × 1.81 in), it slips easily into a bag or backpack. Available in 4 color options to match your personal style.
Key Features
- PD 45W Fast Charging Support — rapidly tops up compatible smartphones, tablets, and laptops
- 8-Slot 18650 Battery Capacity — high-capacity DIY design for extended off-grid power
- Plastic + Metal Construction — durable, lightweight, and built for everyday carry
- Compact Design — 160 × 57 × 46 mm / 6.29 × 2.24 × 1.81 in for easy portability
- 4 Color Options — choose the style that suits you best
- DIY-Friendly — assemble and customize with your own 18650 cells
- Versatile Compatibility — works with most USB-C PD-compatible devices
Product Specifications
| Battery Compatibility | 18650 Lithium Cells (x8) |
| Charging Output | PD 45W |
| Material | Plastic + Metal |
| Dimensions | 160 × 57 × 46 mm / 6.29 × 2.24 × 1.81 in |
| Color Options | 4 Available |
| Brand | Qme |
Who Is This For?
Perfect for DIY electronics enthusiasts, outdoor adventurers, commuters, students, and anyone who wants complete control over their mobile power solution. Whether you're heading off-grid, working from a café, or simply tired of running out of battery, this 8-slot power bank shell has you covered.
For best practices on safe use and storage of lithium batteries, refer to the U.S. Consumer Product Safety Commission (CPSC) Lithium Battery Safety Guide.
Frequently Asked Questions
Q: What type of batteries does this PD 45W power bank case support?
A: This power bank case is designed specifically for standard 18650 lithium cylindrical cells and holds up to 8 of them, making it ideal for a high-capacity DIY power bank build.
Q: What does PD 45W mean for this power bank shell?
A: PD stands for Power Delivery — a fast-charging USB-C protocol. At 45W, this shell can deliver rapid charging speeds to compatible smartphones, tablets, and laptops when paired with quality 18650 cells.
Q: Are 18650 batteries included with this power bank case?
A: No, the 18650 batteries are not included. This is a DIY shell/enclosure, so you supply your own 18650 cells to customise the capacity and performance of your power bank.
Q: What materials is this power bank case made from?
A: The case is constructed from a combination of plastic and metal, providing a sturdy yet lightweight build. Its compact dimensions (160 × 57 × 46 mm) make it easy to carry in a bag or pack.