Image not available$33.99
1 retailer
NB Air Ultra Lightweight and Slim USB-C
The Nitecore NB Air Ultra Lightweight and Slim USB-C is a 5,000 mAh, 0.20 lb battery bank with 18 W max output.
- Capacity
- 5,000 mAh · 19.4 Wh
- Weight
- 0.2 lb · 89 g
- Max output
- 18 W
- Recharge
- 18 W in
Image not availableWhat the data says
- Lighter than 80% of the 10 other battery banks we list in the 2,500–7,500 mAh range.
- Rated 19.4 Wh: under the 100 Wh limit for carry-on batteries, so no airline approval is needed (spare batteries can't go in checked bags).
Computed from the specs below. How we write summaries.
Full specs
Last verified Oct 5, 2026
Unless marked otherwise, specs are from the manufacturer’s product page (nitecorestore.com).
| Capacity | 5,000 mAh |
|---|---|
| Energy (rated) | 19.4 Wh |
| Flying with it | Carry-on OK (under 100 Wh) |
| Weight (manufacturer) | 0.20 lb (89 g) |
| Dimensions | 11.2 × 4.8 × 1.0 cm (4.4 × 1.9 × 0.4 in) |
| Max total output | 18 W |
|---|---|
| Fastest port | 18 W |
| Fastest input | 18 W |
|---|
| Water/dust rating | IPX7 |
|---|---|
| Built for | Outdoor, Travel |
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