Flextail Zero Power 5k vs Nitecore NB Air
Weight and specs compared for 2026 — and which one to choose.
Lightweight USB-C power bank with dual ports. At 85g, it's the lightest UL battery pack on the market.
Exceptionally lightweight power bank at 3oz. Ideal for day hikes.
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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Flextail Zero Power 5k vs Nitecore NB Air: which should you buy?
On weight these two are identical (85 g), so your decision comes down to features, fit and price. Check the full details and current price for each above.
See where both rank against everything else in this category on the lightest electronics page, or browse the full gear weight database.