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The Nitecore NB10000 Gen4 is a competition-grade ultralight power bank packing 10,000mAh into a 143g carbon fibre body slimmer than most smartphones. With dual USB-C ports supporting 22.5W PD/QC 3.0 fast charging, Regular and Eco output modes, pass-through charging, an innovative Knock-to-Wake function, RGB illuminated ports for nighttime visibility, and a full IPX7 waterproof rating — this is the power bank built for hikers, travellers, and outdoor enthusiasts who count every gram.
At 143g and just 14.5mm thin, the Nitecore NB10000 Gen4 redefines what a 10,000mAh power bank can be. Where most banks of this capacity feel heavy and bulky, the Gen4 slips into a hipbelt pocket, tech pouch, or the front pocket of a pack without a second thought — lighter than competing 10,000mAh banks by a significant margin, and delivering an outstanding 2000mAh per ounce capacity density that makes it one of the most efficient portable power solutions available.
The dual-sided carbon fibre panels and reinforced flame-retardant composite frame deliver serious structural protection — resistant to puncture, torsion, abrasion, and impact — while keeping weight to an absolute minimum. Rounded corners and edges absorb shock, are comfortable to hold, and protect fabrics from abrasion during pack carry. IPX7 waterproofing means it handles immersion in up to 1 metre of water for 30 minutes, making it genuinely reliable in rain, creek crossings, and wet conditions.
Both dual USB-C ports deliver up to 22.5W output via PD and QC 3.0 protocol — fast enough to meaningfully top up a modern smartphone in under an hour when a single port is in use. When both ports are used simultaneously, combined output steps to 15W to keep both devices charging efficiently. A next-generation high-voltage Li-ion polymer silicon-carbon anode battery and 9V high-voltage platform with active balancing BMS maximise usable energy and charging efficiency — more of the stored capacity actually reaches your device compared to standard power bank chemistries.
Two output modes give you control over the balance between speed and efficiency. Regular mode (22.5W, 6,800mAh at 5V) maximises charging speed. Eco mode (1A, 7,200mAh at 5V) slows the output for greater efficiency and is ideal for low-current devices like wireless headphones, smartwatches, and fitness trackers. Switch between modes with a long-press of the touch-sensitive power button when no device is connected — the RGB port illumination changes colour to confirm the active mode: yellow for Regular, green for Eco.
The Knock-to-Wake function eliminates fumbling in the dark — a double-knock on the upper body wakes the power and status indicators instantly without pressing any button. Four blue power indicators display remaining charge in 25% increments, and the RGB-illuminated charging ports glow to show output status even in complete darkness. Pass-through charging allows the NB10000 Gen4 to charge connected devices while simultaneously recharging itself — and multiple units can even be chained and charged at once. The included USB-C lanyard cable keeps a charging lead permanently attached and doubles as a carry loop for clip or wrist attachment.
Key Features
Specifications
| Specification | Detail |
|---|---|
| Capacity | 10,000mAh |
| Cell Type | Silicon-carbon anode Li-ion polymer |
| Output Ports | 2 × USB-C |
| Max Output (single port) | 22.5W (PD + QC 3.0) |
| Max Output (dual port) | 15W combined |
| Regular Mode Output | 6,800mAh at 5V (TYP 3A) |
| Eco Mode Output | 7,200mAh at 5V (TYP 1A) |
| Max Input | 22.5W (USB-C) |
| Recharge Time | ~4 hours (22.5W QC 3.0 charger) |
| Pass-through Charging | Yes |
| Wake Function | Knock-to-Wake (double-knock) |
| Indicators | 4 × blue LED (battery level) + RGB port illumination |
| Frame | Carbon fibre panels + flame-retardant composite frame |
| Dimensions | 116mm × 46.8mm × 14.5mm |
| Weight | 143g / 5oz |
| Waterproof Rating | IPX7 (1m / 30 min) |
| Includes | USB-C lanyard charging cable |
| Safety | Short-circuit / overcharge / over-discharge / overheat protection |
Use Cases / Ideal For
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