MANUFACTURER SPECIFICATION GUIDE
NITECORE NU33 Headlamp
USB-C rechargeable headlamp; manufacturer lists 700 lumens maximum and a 2,000 mAh battery. These are manufacturer-published ratings, not our measurements.
Source review: Oct 2026 · Not a test date
Manufacturer-published specifications
These are published ratings, not results measured by us. Missing specifications are omitted rather than estimated.
| Brightness | 700 lm |
|---|---|
| Battery | 2,000 mAh |
| Charging | USB-C |
| Equipment type | Headlamp |
Ratings can differ by revision and regional variant. Match the current product label and manual to the listing before purchase.
Conditions & limits to check
- Maximum brightness is a manufacturer mode rating, not a measured sustained output. We have not measured brightness or estimated runtime.
- Follow the exact-model charging instructions and weather limitations. Do not point a bright beam at eyes.
- Match the exact model and generation. In particular, NU25 MCT UL differs from older NU25 UL versions.
Before selecting this item, check the manufacturer's current instructions for the exact model. We have not verified its suitability for your device, campsite or electrical installation.
Read the category buying checklist →Manufacturer sources
Published information used for this guide. Manufacturer documents hosted by another service are identified below. A source does not replace the current operating manual.
- NITECORE exact-model manufacturer specificationswww.nitecore.com
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Read the manufacturer information
No testing or compatibility approval. Confirm the exact variant and manufacturer instructions before buying. We provide no measured results or runtime estimates.
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