Author: Harry Guinness / Source: reviewgeek.com

The flashlight on your smartphone is sufficient in a pinch, but if you’re looking for something that fits in your pocket and can throw some serious light around, you need a good keychain flashlight.
The biggest problem with using your phone’s flashlight isn’t actually how bright it is—they’re typically around 50 lumens which is respectably bright—but that it drains the battery quickly.
It doesn’t matter if you’re searching for things under your couch for 30 seconds, but it’s a problem if you actually need to use a flashlight for extended periods of time. I regularly go on walks at sunset through the woods near my house. If I stay out a little too long or some clouds roll in, it can get seriously dark. It’s great knowing that I always have a flashlight in my pocket that will last for the full walk home (and then some).Phone flashlights are also pretty inconvenient to use. I can clench my flashlight between my teeth, carry it in the same hand as something else, or prop it up easily; you just can’t do any of that with a smartphone. Further, not only are these flashlights durable enough to survive a tumble even if they don’t the replacement cost is nothing compared to buying a phone.
Convinced yet? Let’s look at some of the best small or keychain flashlights going.
Best Entry Level: ThruNite Ti3 EDC ($14)

At $14, the ThruNite Ti3 EDC is insane value. That’s less than $15 for a serious upgrade to your EDC kit.
The Ti3 is just 2.8 inches long; that’s about the length of your ring finger. It takes a single AAA battery (disposable or rechargeable) and has a maximum output of 120 lumens.
It has four modes:- High (120 lumens, 30 mins battery time)
- Strobe (120 lumens, 60 mins battery time)
- Low (12 lumens, six hours battery time)
- Frefly (0.04 lumens, 115 hours).
The big thing about the Ti3 is that it’s a really solid light from a reputable brand at a great price. If you’re even thinking about buying a keychain flashlight, it’s the place to start. The worst case is you decide you really don’t need a flashlight—they’re way less useful in the cities than in the countryside for example—and you’re only out $15.
And if you realize you love…
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