Review: DiNotte XML-4

It's a big light head with a bright beam

Lights Lights Shootout

2015 Lights Shootout

DiNotte XML-4 Lighthead

The DiNotte XML-4 is a very similar light to their XML-3, but instead of three XML LEDs, there’s four. Output is bumped up to 2110 Lumens from 1579 nd price is higher at $259 instead of $229.

The light head is much bigger though since 4 LEDs don’t fit as tightly as three. So cooling is no issue at all as the XML-4 displays one of the most consistent Lumen output graphs we’ve seen. If you want a bright light for warm climate use, this is a good one.

Weight and Runtimes

The weight for this light system is 455 grams and the run time is 1:30 hours. While good, it’s not nearly as good as the XML-3 since the light head is big and add weights. The battery is the same as the XML-3, thus this bigger light gets less run time.

Safety

Couple that with DiNotte’s safety, quality and customer service and this package is a good option. DiNotte uses good batteries and charges them properly. Everything is UN and UL tested and the lights are never over-driven. They are designed and manufactured so the small DiNotte headquarters can spend time producing lights instead of answering problem/failure phone calls.

Battery and charging is provided by the existing four-cell battery and charger systems, so existing customers with these batteries can just buy the new XML-3 light head to experience the latest in DiNotte engineering. DiNotte passes all the UL/UN safety standards for batteries and chargers.

Video: Test loop with the DiNotte XML-4. Camera is on a locked ISO setting and is set to Wide Angle mode

Beam Pattern Photo

We photographed the lights in the same location setting with the same camera settings. The photos were taken in the back yard that is approximately 25 yards long. These photos feature many objects and a distinct background to analyze detail and beam pattern. Compare all Beam Patterns here »

DiNotte XML-4 Backyard Beam Pattern

Integrating Sphere Measured Lumens

This light measured 2110 Lumens in an integrating sphere. Claimed Lumens by the manufacturer is 2100 Lumens. The Lumen-hour graph below shows how the light performs over the first four minutes of its battery cycle. Compare all Lumen Tests here »

DiNotte XML-4 Lumen Chart

Strengths
  • 2110 measured Lumens excellent for one light
  • Cooling is handled well by the big light head
  • It offers great value at $259
  • Mounting is best in class and the included helmet light is a bonus
  • Commitment to US quality and safety is unrivaled
Weaknesses
  • Not as compelling as the XML-3 in terms of weight and run time
  • No self-contained option
  • The beam could be wider, now that it’s so bright
Specifications
  • Price: $259
  • Claimed Lumens: 2100 Lumens
  • Measured Lumens: 2110 Lumens
  • Lumens per $: 8.15 Lumens
  • Lumens per gram: 4.85 Lumens
  • Time on High: 1:30 Hours
  • Charge Time: n/a Hours
  • Mounted Weight: 435 grams
  • Category: High End
Overall Rating

4 Flamin' Chili Peppers 4 out of 5 Flamin’ Chili Peppers

For more information visit store.dinottelighting.com.

This article is part of Mtbr and RoadBikeReview’s 2015 Lights Shootout. To see all the bike lights tested CLICK HERE.


About the author: Francis Cebedo

The founder of mtbr and roadbikereview, Francis Cebedo believes that every cyclist has a lot to teach and a lot to learn. "Our websites are communal hubs for sharing cycling experiences, trading adventure stories, and passing along product information and opinions." Francis' favorite bike is the last bike he rode, whether it's a dirt jumper, singlespeed, trail bike, lugged commuter or ultralight carbon road steed. Indeed, Francis loves cycling in all its forms and is happiest when infecting others with that same passion. Francis also believes that IPA will save America.


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  • Gator says:

    Looks like a really well made USA light, might check one out!! Battery needs to be bigger.

  • bk says:

    I just bought an XML-3 and was disappointed to see that the charger and battery both have ‘Manufactured in Taiwan’ printed on them. Not sure about the light head since it doesn’t state anything, but I was expecting the entire package to be made in the US.

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