Review: Lezyne Power Drive 900XL

Good beam output for $100

Lights Lights Shootout

2016 Lights Shootout

The Lezyne Power Drive 900XL side profile reveals a compact design.

The Lezyne Power Drive 900XL side profile reveals a compact design (click to enlarge).

Editor’s Note: This article is part of Mtbr and RoadBikeReview’s 2016 Bike Lights Shootout. See the 2016 Mtbr Headlights Index and the RoadBikeReview Commuter Lights Index.

The Lowdown: Lezyne Power Drive 900XL

The highlights of this light are the fine, wide optics and excellent form factor. The beam is nice with a wide swath and a fairly oval spot. Quality is good too with nice machining and black powdercoating.

It is much smaller than before and is much more handy as a helmet light or even a pocket flashlight. Mount is now a rubber strap that has a molded base to ensure it stays put when cinched down.

Stat Box
Claimed Lumens: 900 Lumens Mtbr Lux: 86
Measured Lumens: 850 Lumens Mounted weight: 154 grams
Lumens per $: 8.50 Lumens Category: Headlight
Lumens per gram: 6.78 Lumens Price: $100
Run time on high: 1:20 Hours Rating: 4 Flamin' Chili Peppers 4 Chilis-out-of-5

  • $150 price is a one of the best for the output
  • Claimed Lumen output is in a hidden mode
  • Beam pattern optics is very trail useable
  • 850 Lumen output doesn’t match 900 claim
  • Form factor is much sleeker and easier to handle
  • USB port cover is not the easy to access
  • Lost replaceable battery (infinite run time) option

Full Review: Lezyne Power Drive 900XL

It is a good light indeed and for $100 it offers good value. Its output puts it at one of the lower priced lights at around the 850 Lumen level. Optics and beam pattern are a highlight of this offering too.

What’s not great is the output out of the box is much lower than 900 Lumens claimed. The user has to realize that they are in ‘Blast’ mode of 600 Lumens and that they have to go to Overdrive mode using a special sequence. Our fear is most buyers will never realize that they are not using the highest mode that they were expecting when they purchased the light. It’s just too difficult to tell with the naked eye whether the output is 600 Lumens or 900.

Another issue we had is, we only got 850 Lumens out of the light even in Overdrive mode. It’s not characteristic of Lezyne to measure under their claimed output, but it seems all their new lights this year measure lower than claimed.

The Lezyne Power Drive 900XL  dual lenses provide a good horizontal beam.

The Lezyne Power Drive 900XL dual lenses provide a good horizontal beam (click to enlarge).

The Infinite, field-replaceable battery option is gone now too. That was a great option for some, as they could carry extra batteries and guarantee themselves enough runtime at maximum output. It seems that was removed for better light form factors and better light output.

Continue to page 2 for more on the Lezyne Power Drive 900XL, the beam pattern and Lumen measurement »

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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