Fenix E03R V2 Keychain Flashlight
Fenix E03R V2 Keychain Flashlight
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The Fenix E03R V2.0 is one of the smallest rechargeable flashlights you can put on a keyring — and one of the most surprising. Squeezed into a CNC-machined, full-metal body just 2 inches long, it throws a bright 500-lumen beam nearly 300 feet (90 meters), the kind of output you'd expect from something twice its size. A USB Type-C port and 400mAh battery keep it charged and ready, with an LED indicator so you always know where it stands, and an IP66 rating means splashes and dust are a non-issue.
This tiny rechargeable flashlight is tough, genuinely useful, and small enough to disappear until the exact moment you need it — which makes it as good a gift as it is a daily carry.
Output and Runtime by Mode
| Mode | Output | Runtime | Beam distance | Intensity |
|---|---|---|---|---|
| High | 500 lumens | 1 h 20 min* | 90 m / 295 ft | 2,082 cd |
| Med | 150 lumens | 2 h | 50 m / 164 ft | 630 cd |
| Low | 30 lumens | 6 h 35 min | 20 m / 66 ft | 127 cd |
| Eco | 5 lumens | 30 h | 9 m / 30 ft | 20 cd |
| Red / Red Flash | 5 lumens | — | — | — |
| Breathing light | 1 lumen | — | — | — |
Tested by Fenix with the built-in 400mAh battery. *Includes reduced output after thermal step-down. Impact resistance 1 m; IP66.
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