Cateye Volt 700
  • 700 claimed lumens
  • 770 measured lumens
  • 2h 00min reported battery life
  • 2h 20min measured battery life
  • 140 g
  • flashing mode
  • no pulse mode
  • 3 brightness levels
  • internal Lithium batteries
  • low battery indicator
  • removable battery
  • micro usb rechargeable
  • Included mounts:

Review: A good choice for battery flexibility

Review by , Oct. 27, 2015, 6 a.m.

Cateye Volt 700

Cateye's rechargeable headlight series, the Volt, has been around for a few years now. After receiving several requests to review these lights, I’m excited to finally have one in hand. The Volt 700 is the top-end model; a review of the entry-level Volt 100 is also on its way. This light stands out from the crowd, featuring a removable USB-rechargeable battery which can be charged even when not attached to the light, and enhanced optics to spread the light evenly over the road.

Output and Visibility

Side visibility on the Volt 700

At full power the Volt 700 is bright enough for almost any type of riding, including nighttime trail riding. For rides in the city where some street lighting is present the medium or even low modes are enough to illuminate potholes and debris when traveling at a moderate speed. Cateye's "opticube" lens creates a rectangular beam, spreading the light out across the path in front of you and reducing the amount of light wasted illuminating the sky above you. It doesn’t have a sharp beam cutoff, so you should still be mindful of how you aim it to avoid blinding oncoming traffic. A small side cutout gives some off-axis visibility, although not nearly as much as lights with full side lighting like the Bontrager Ion 700 and the L&M Urban.

In addition to three brightness levels in steady burn mode, the Volt 700 comes with two flash modes. One is a typical fast single flash, bright enough for daytime visibility. The second is a steady beam which momentarily flashes brighter about twice per second. This steady-flash mode is nice around dusk and dawn, or during cloudy or rainy days. It’s less disorienting than the fast single flash, but the flash still grabs attention.

Battery Life and Charging

The Volt 700 has an integrated lithium battery which can be recharged by a micro USB port on the bottom of the light. An indicator LED on the light’s button turns red as the battery gets low. During charging the indicator lights up red while charging, and then turns off completely when the light is done charging. This can make it difficult to tell if the light is actually finished charging, or if the charger accidentally got disconnected, and the first couple times I charged the light I was worried that maybe the light hadn’t charged.

Volt 700 removable battery

The battery can be easily unscrewed from the head of the light, allowing you to carry extras and swap them out as needed. Unfortunately the battery pack is a proprietary Cateye package, with a plastic enclosure and adapter encasing a standard 3100 mAh 18650 battery. You can’t use it in other lights, nor can you charge it with a regular charger – to charge an extra battery you have to either plug it into the light or buy a charging adapter for it, available for $15. While that is a reasonable price, the extra battery itself is $50. Considering that the actual battery cell itself would cost under $15 at retail prices, that price seems unreasonably steep. If you need a light with swappable rechargeable batteries, you may be better off with something like the Fenix BC30 or Lezyne Super Drive XL.

With the included 3100 mAh battery the light lasts just over the 2 hours specified. Output is regulated to maintain brightness as the battery drains, although the brightness does start to trail drop after about an hour. Most other lights in this price and output range only last about 1:30 hours, so the Volt 700 is a step ahead with battery performance.

Mounting and Usability

Volt 700 mount

I’m honestly not sold on the Volt series mount. Cateye’s “FlexTight” mount consists of a rigid plastic band which wraps around the handlebars and then can be tightened with a plastic thumbscrew. What’s annoying is that the excess plastic from the strap sticks out towards the rider. I’ve scratched my hands and wrists on the protruding sharp plastic several times now. One could clip the excess plastic, but this would make it impossible to use the mount on a larger diameter handlebar later and could also create an even sharper edge. The light slides into the top of the mount, and is released by a plastic tab on the light. Typically the release tab is on the mount, not on the light, so it took a few times for me to get used to pulling up on the tab rather than pushing down to release the light. The good thing about this design is that the mount can fit almost any size and shape of handlebars, and is very secure. Even riding over rough terrain the light stays put.

The light is entirely controlled by a single button on the top. A single push turns the light on and cycles through the modes. Pushing and holding turns the light off. The mode memory will remember what setting the light was on the last time you turned it off. The button is a bit small and can be challenging to operate with gloved hands, but the light is otherwise very easy to use.

Final Thoughts

The Volt 700 is a nice light, and is priced similarly to other lights in its class. Its removable battery stands out – a few other lights like the Cygolite Expilion and Serfas TSL-750 have removable batteries, but the Volt is much slimmer than these, and its battery can be recharged externally. In terms of single-piece USB rechargeable headlights with removable batteries, the Volt 700 would be my top choice. However, that extra battery is absurdly expensive (not that extras for the other similar lights mentioned above aren’t too). If you expect you’ll be replacing your batteries often and needing to swap them out on most of your rides, you should consider a light which takes regular 18650 batteries, like the Lezyne Super Drive XL or the Fenix BC30.

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