Fenix E03R V2 Keychain Flashlight

Outputs

• High: 500 Lumens, 1.4 hours, 295 ft
• Med: 150 Lumens, 2 hours, 164 ft
• Low: 30 Lumens, 6.6 hours, 65 ft
• Eco: 5 Lumens, 30 hours, 29 ft
• Red: 5 Lumens
• Red Flash: 5 Lumens
• Breathing Light: 1 Lumen

Details

• 500 Lumens Max White Light Output
• White and Red Light LEDs
• Breathing light function
• Pocket Sized and Light weight
• All Metal Keychain Light
• USB Type-C Charging port
• 1 meter impact resistance
• IP66 Water Resistance Rating
• Single Metal Switch
• Design Features to avoid accidental activation
• Lockout function
• Aluminum A6061-T6 Body

Battery

• Built-in: 400mAh Li-polymer Battery (Charged Via USB Type-C Port)

Size

• Length: 2.07 inches
• Height: 1.02 inches
• Width: 0.51 inches
• Weight: 1.06 oz

What is the color temperature of E03R V2?

The color temperature is 6500K.

What is the working voltage of E03R V2?

3.0-4.2V.

Is E03R V2.0 rechargeable? How long is the charging time?

E03R V2.0 is rechargeable via a USB-C charging cable. The charging time is about 2 hours.

The Fenix E03R V2.0 is a rechargeable keychain flashlight with a red light mode. This summary is drawn from the manufacturer’s official user manual — see the downloadable PDF reference manual on the product page for complete details.

Product Features

• 500 lumens maximum output and 90 meters maximum beam distance
• Two white light LEDs and one red light LED, 50,000-hour lifespan
• Built-in 400mAh rechargeable battery, USB Type-C charging
• Switch-activated green/red breathing light
• Recessed switch with lockout function
• Battery level indication and low-voltage warning
• Intelligent overheat protection
• All-metal CNC-machined body with premium HAIII hard-anodized finish
• Size: 2.07" x 1.02" x 0.51" / 52.5 x 26 x 13 mm
• Weight: 1.06 oz / 30 g

Technical Parameters

Specifications reflect Fenix's lab testing with the built-in 400mAh battery at 21±3°C / 50-80% humidity. Actual performance varies by environment and battery status.

• High: Output 500 lumens, Runtime 1 hour 20 minutes*, Distance 90 meters, Intensity 2082 candela
• Med: Output 150 lumens, Runtime 2 hours, Distance 50 meters, Intensity 630 candela
• Low: Output 30 lumens, Runtime 6 hours 35 minutes, Distance 20 meters, Intensity 127 candela
• Eco: Output 5 lumens, Runtime 30 hours, Distance 9 meters, Intensity 20 candela
• Red: Output 5 lumens, Runtime —, Distance —, Intensity —
• Red Flash: Output 5 lumens, Runtime —, Distance —, Intensity —
• Breathing Light: Output 1 lumen, Runtime —, Distance —, Intensity —

Impact Resistance: 1 meter Waterproof: IP66

Operating Instructions

On/Off: Press and hold the switch for 0.5 seconds to turn the light on/off. Press and hold for 1.2 seconds to turn on the red light.

Breathing Light: With the light off and unlocked, double-click the switch to turn on the breathing light; press and hold for 0.5 seconds to turn off.

Output Selection: White light: single click to cycle Eco → Low → Med → High. Red light: single click to cycle Red → Red Flash. Breathing light: single click to cycle Red → Green → Red & Green.

Intelligent Memory Circuit: The light memorizes and recalls the last-used white light output level.

Lock/Unlock: With the light off, press and hold the switch for 3 seconds to lock (light blinks twice on Eco). Press and hold again for 3 seconds to unlock (light activates on Eco).

Charging

• Switch off the light, plug the USB-A end into an outlet, then connect the USB Type-C end to the light.
• Indicator glows red while charging and turns green when fully charged.
• Close the anti-dust cover once charging completes to maintain normal use.
• Eco and Red modes remain available while charging.

Battery Level Indication

• Green light on: 100%-85% (saturated)
• Green light flashing: 85%-50% (sufficient)
• Red light on: 50%-25% (poor)
• Red light flashing: 25%-1% (critical)

Intelligent Overheat Protection

The light steps down output automatically once its surface reaches 60°C or above on High mode; it re-allows High once it cools below 60°C.

Low-Voltage Warning

The light automatically downshifts brightness as voltage drops, until Eco is reached; in Eco, the indicator blinks 3 times every 10 minutes to prompt a recharge.

Usage and Maintenance

• Fully charge the light before its next use.
• Recharge a stored light every four months to preserve battery performance.
• Close the anti-dust cover after charging to maintain dust/water resistance.

What's Included

Fenix E03R V2.0 flashlight, USB Type-C charging cable, key chain, user manual, warranty card

Warnings

• Keep out of reach of children.
• Do not shine the light directly into anyone's eyes.
• Do not aim at flammable objects at close range.
• Do not hold the light in your mouth or use it in other unintended ways.
• The light shell can become hot during extended use — handle with care to avoid burns.
• Lock the light or remove the battery before placing it in pockets or backpacks to prevent accidental activation.
• The LEDs are not replaceable; the whole light must be replaced at end of LED life.