The Nitecore NB10000 Gen4, released in early 2026, is the latest evolution of the gold standard for ultralight power banks. It maintains the carbon fiber DNA of its predecessors but introduces significant "quality-of-life" upgrades that make it much more rugged and intuitive for hikers and travelers.
What’s New in Gen 4?
Compared to the Gen 3 and Gen 2, the Gen 4 focuses on durability and a refined user interface:
- IPX7 Waterproofing: This is a major jump. While previous versions were merely splash-resistant (IPX5), the Gen 4 is rated for full submersion in water (up to 1 meter for 30 minutes).
- Knock-to-Wake: Instead of fumbling for a small button, you can now "double-knock" the carbon fiber shell to activate the power indicators. This is specifically designed for use with gloves in cold weather.
- Dual USB-C Ports: It has fully transitioned away from USB-A. Both ports are now USB-C, supporting 22.5W fast charging (PD/QC compatible).
- RGB Port Indicators: The ports light up with dynamic RGB colors to show charging status and mode (Green for Eco Mode, Yellow for Regular Mode), making it easy to find in the dark.
- Integrated Lanyard Cable: It comes with a 5g ultra-light lanyard that doubles as a USB-C to USB-C charging cable, ensuring you never leave your cord behind.
Technical Specifications
| Feature | Specification |
| Capacity | 10,000mAh ($39\text{Wh}$) |
| Weight | 143g (approx. 5.04 oz) |
| Dimensions | 116 × 46.8 × 14.5 mm |
| Max Output | 22.5W (Single Port) / 15W (Combined) |
| Rated Energy | 7,200mAh @ 5V (Eco Mode) |
| Build Material | Carbon Fiber Reinforced Polymer (CFRP) |
Pros
- One of the lightest true 10,000mAh power banks available — perfect for ultralight backpacking or minimal EDC.
- Excellent build quality and IPX7 durability for outdoor use.
- Smart features (knock-to-wake, illuminated ports, eco mode) improve usability without adding weight.
- Good real-world efficiency and fast-enough 22.5W charging for phones.
- Includes a functional lanyard cable.
