← All gear comparisons

Nitecore NU25 UL vs Nitecore NU27 Headlamp

Weight and specs compared for 2026 — and which one to choose.

Nitecore NU25 UL is the lighter option — 9 g lighter than the Nitecore NU27 Headlamp (16% less weight). If grams matter to you, that is the one to beat.
shopping_cart Check today's price on Amazon
Spec Nitecore NU25 UL Nitecore NU27 Headlamp
Weight 48 g · 0.048 kg · 0.11 lb
as listed, bracket and headband included, built-in battery (page model name: NU25 MCT UL)
 57 g · 0.057 kg · 0.13 lb
as listed, bracket and headband included
Brand Nitecore Nitecore
Category Lighting Lighting
Nitecore NU25 UL
48 g

Dual-beam headlamp with white and red LEDs. Built-in rechargeable battery, IPX6 waterproof, and 400 lumens max output; ideal for ultralight hikers.

See it in your base weight → Full details →
Nitecore NU27 Headlamp
57 g

USB-C rechargeable headlamp delivering 600 lumens at just 57g. Best brightness-to-weight ratio in the ultralight category. Includes front and rear red safety li...

See it in your base weight → Full details →

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.

HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.

Nitecore NU25 UL vs Nitecore NU27 Headlamp: which should you buy?

If saving weight is your priority, the Nitecore NU25 UL wins — at 48 g it is 9 g (16%) lighter than the Nitecore NU27 Headlamp (57 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 lighting page, or browse the full gear weight database.

More lighting comparisons

Nitecore NU25 UL vs Nitecore NU21 Nitecore NU25 UL vs Nitecore NU25 MCT UL Nitecore NU25 UL vs Nitecore NU25 UL 400 Nitecore NU25 UL vs Nitecore NU27 Multi-Color Headlamp Nitecore NU25 UL vs Fenix HM65R-T V2.0 Nitecore NU25 UL vs Black Diamond Storm 500-R