NEIKO Cordless 10-Watt 2-in-1 COB LED and UV Work Light - Durable

In this review the NEIKO 40337A Cordless 10-Watt 2-in-1 COB LED and UV Work Light is examined for everyday workshop, garage, and job site use; the bottom line is that it is a practical, well-built portable light best for anyone who needs a bright, hands-free solution without tethering to mains power. The reviewer found the combination of a high-efficiency COB LED floodlight, a usable UV black light, and a large rechargeable battery to be the single biggest reason to consider this unit for routine tasks and inspections.

Key Features

• COB LED Technology: Provides bright, even flood illumination up to 1000 lumens with better energy efficiency than standard SMD LEDs for wide-area lighting.
• Two-in-One Light Modes: Combines a multilevel white LED floodlight with a UV black light so the same tool can be used for task lighting and inspection work.
• Rechargeable 4000-mAh Battery: The built-in Li-ion battery includes overcharge protection and powers the light for up to 8 hours on lower settings.
• Magnetic and Hook Mounting: Strong magnets on the back plus two rotating swivel hooks let the light be mounted hands-free in many positions.
• USB-C Charging: A USB-C port and included cable make recharging convenient at home or on the go.
• Multiple Brightness Levels: Five brightness modes (1000, 800, 600, 400, 200 lumens) help tailor output and extend runtime.

Who It's For

The NEIKO 40337A is aimed at mechanics, hobbyists, and construction workers who need a portable work light that can be positioned hands-free and deliver strong flood illumination. It fits shop benches, vehicle underbodies, breaker boxes, or any magnetic metal where the magnetic back can secure it.

Those who need a light for extended continuous high-output use on remote job sites with no charging access should look elsewhere, as long high-output runtime is limited by battery capacity. Users requiring specialty optics or a single ultra-focused beam rather than flood illumination may prefer a dedicated spotlight.

Pros & Cons

Pros

• Strong, even floodlight brightness with multiple output levels to save battery.
• Dual-function white LED and UV mode adds versatility for inspections and leaks.
• Durable build with magnetic mount and swivel hooks for reliable hands-free use.
• Convenient USB-C charging and protective overcharge circuitry for battery longevity.

Cons

• Run time at the maximum 1000-lumen setting is limited compared with mains-powered lights, so longevity varies by brightness choice.
• The light is optimized for flood illumination and is not a narrow spotlight for long-distance beam throw.

Specifications

Power	10 watts
Light Types	COB LED floodlight and UV black light
Brightness Levels	1000, 800, 600, 400, 200 lumens
Battery	Rechargeable 4000-mAh Li-ion with overcharge protection
Runtime	Up to 8 hours (lower settings)
Charging	USB-C port with included cable
Mounting	Magnetic back and 2 swivel hanging hooks

Our Verdict

The NEIKO 40337A is a solid, cost-effective cordless work light that combines bright COB flood illumination with a useful UV mode and flexible mounting options. It represents good value for mechanics and DIYers who need reliable, hands-free portable lighting; pick it for versatility and battery safety, but expect shorter runtime at the highest output.

Frequently Asked Questions

How long does the battery last on full brightness?
The runtime varies by brightness but full output reduces total time; lower settings allow up to about 8 hours of use.

Can it be mounted to metal surfaces?
Yes, the back includes strong magnets and there are two rotating swivel hooks for hanging or positioning the light.

How is the light charged?
The unit charges via a USB-C port and includes a charging cable; it also has overcharge protection to help preserve battery life.