Nitecore Carbon Battery 6k vs Nitecore NB Air 5000mAh
Weight and specs compared for 2026 — and which one to choose.
Upgraded power bank from NB Air 5k with higher IPX8 rating and increased capacity.
Ultra-lightweight power bank with 5000mAh capacity, 18W USB-C fast charging, IPX7 waterproof, carbon fiber frame construction.
Building a pack? Add either one to your HikeLoad list, or drop its weight into the base weight calculator, and see what it does to your total weight.
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Nitecore Carbon Battery 6k vs Nitecore NB Air 5000mAh: which should you buy?
If saving weight is your priority, the Nitecore Carbon Battery 6k wins — at 88 g it is 1 g (1%) lighter than the Nitecore NB Air 5000mAh (89 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.
See where both rank against everything else in this category on the lightest electronics page, or browse the full gear weight database.