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Nitecore NU25 MCT UL 400 Lumen USB-C Rechargeable Ultralight Headlamp, 3 color temperatures
A 47 g (1.65 oz) headlamp with a 400-lumen max, three color temperatures, a red light, USB-C charging and IP66 sealing.
Code 10OFF: $3.69 off at Nitecore
Code: 10OFF — 10% off sitewide at NITECORE Store (US); Awin lists it active to 2050-12-30.
Saving on this product: $3.69. Store price $36.95, verified 2026-11-10; $33.26 after the code at Nitecore's official US store.
Tested daily in Nitecore's cart; last passed 2026-11-11: the store accepted the code and took $3.69 off this product at $36.95. Enter the code at checkout; the store's checkout has the final word.
Buy: https://dealectric.com/go/nitecore-nu25-mct-ul — opens Nitecore's official US store at no extra cost.
Warranty: Nitecore covers lighting products with a built-in battery for 24 months, then offers limited lifetime support that covers labor only.. Returns: Nitecore Store: ask for a return authorization within 15 days of delivery, then ship the item back within the next 15 days. Non-defective returns carry a 15% restocking fee unless an agent waives it. If the order shipped free, the original shipping cost comes out of the refund.. Affiliate network: Awin; tracking cookie: 30 days. All Nitecore codes, including the ones the store rejected: Nitecore discount codes.
Machine-readable record: /offers.json, id = "nitecore-nu25-mct-ul".
Specifications
| Weight | 1.65 oz (47 g) with elastic cord headband |
|---|---|
| Max output | 400 lumens, 132 m beam |
| Runtime | About 2 h 40 min at 400 lm, about 13 h at 60 lm, up to 45 h at 6 lm |
| Color temperatures | 3000 K warm, 4500 K neutral, 6500 K cool, plus red (low, high, slow flash) |
| Battery | Built-in 700 mAh Li-ion, not replaceable |
| Charging | USB-C, about 75 minutes |
| Water and impact | IP66, 1 m drop |
| Extras | Lockout mode, SOS and beacon |
Model: NU25 MCT UL. Figures are from the manufacturer's official product page unless a caveat says otherwise.
Who it's for
Best for thru-hikers, ultralight backpackers and trail runners who want a real trail light at the lowest practical weight.
Caveats
- High lasts only about 2 h 40 min. Plan to use the 60-lumen mode, or carry a small power bank.
- Testers call the thin cord headband less comfortable over long hours, and say it can twist.
- The two-button interface takes practice, and the small buttons are hard to press with gloves.
- The sealed battery can't be replaced, so a worn cell means a new lamp.
- You can't use it while it charges.
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