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Fenix UC02SS USB Rechargeable Mini Keychain Flashlight - Discontinued

$40.00 $29.95

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Color: Gold

  • Gold
  • Blue

Max Lumens:

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Product Overview

Fenix UC02SS is a mini keychain USB rechargeable flashlight. From a single 10180 Li-ion battery, it delivers maximum output of 130 lumens. The two output levels are controlled by a simple twist of the flashlight head. This stainless steel flashlight has IP68 classification which is water proof to 2m and dust proof. One of Fenix’s best every day carry flashlights, the UC02SS is reliable and easy to use.


Max Lumens: 130
Max Beam Distance: 158 feet (48 meters)
Max Runtime: 3 hours 50 min.
Lighting Modes: 2 brightness levels
Bulb Type: Cree XP-G2 S2 white LED
Size: Length: 1.70” (43.2mm) Head: 0.55” (14mm)
Weight: 0.65 oz. (18.4g) excluding battery
Battery: One ARB-L10-80 10180 rechargeable Li-ion battery (included)
Included: Lanyard, ARB L10-80 10180 Li-ion battery, spare O-ring
Warranty: Limited Lifetime Guarantee from Fenix Lighting USA

More Information

  • Uses Cree XP-G2 S2 white LED with a lifespan of 50,000 hours
  • Powered by one 10180 rechargeable Li-ion battery
  • Micro USB charging port
  • Reverse polarity protection, to protect from improper battery installation
  • Made of quality stainless steel
  • High efficiency lens with total reflective coating
  • Two color options
Fenix UC02SS USB Rechargeable Mini Keychain Flashlight - Discontinued specs chart

Operation Instructions


To turn on the light, tighten the head lightly until the light comes on. This will be Low mode. To enter High mode, fully tighten the head (be careful not to overtighten it). To switch off, loosen the head until the light goes out. 



  1. Completely remove the light head and plug the Micro USB port of the charging cable into the light’s port
  2. If the battery power is sufficient, the charging indicator will display green; otherwise the charging indicator will display red while charging, and will turn to green when fully charged. The normal charging time is about 45 minutes.
  3. Unplug the charging cable and screw the light head back for normal use.
  4. Recharge a stored UC02SS every 3 months to maintain optimum performance of the battery.

Warning: To charge with non-rechargeable battery in the light is prohibited, and may cause explosion. 


*10180 Li-ion batteries are powerful cells designed for commercial applications and must be treated with caution and handled with care.  Quality batteries with circuit protection will reduce the potential for combustion or explosion but cell damage or short circuiting are potential risks the user assumes. 


Battery Replacement 

Unscrew the light tail cap to insert the battery with the anode side (+) toward the light's head, then screw the light tail cap back on. 


Usage and Maintenance

  • Disassembling the sealed head can cause damage to the light and will void the warranty.
  • Fenix recommends using excellent quality battery.
  • If the flashlight will not be used for an extended period, remove the battery, or the flashlight could be damaged by electrolyte leakage or battery explosion.
  • Long-term use can result in O-ring wear. To maintain a proper water seal, replace the ring with an approved spare.
  • Periodic cleaning of the battery contacts improves the flashlight's performance as dirty contacts may cause the flashlight to flicker, shine intermittently or even fail to illuminate for the following reasons:

A: The battery needs replacing or needs to be charged. 

Solution: Replace battery (Ensure battery is inserted according to the manufacturer’s specifications). 

B: The threads, PCB boards contact or other contacts are dirty. 

Solution: Clean the contact points with a cotton swab soaked in rubbing alcohol. 


If the above methods don't work, please refer to the warranty policy before contacting your authorized distributor. 



The flashlight is a high-intensity lighting device capable of causing eye damage to the user or others. Avoid shining the light directly into anyone’s eyes.

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Customer Reviews

Based on 11 reviews
Joe Redinger

This perfect for key chains or personal use.

James Lee

Loved the light for all the reasons other mention. Small, yet bright and overall a great keychain light.
But, like many keychain lights, it has a common design flaw. Since you turn the head to turn it on, it often gets turned on just by being in my pocket. Also, on mine the end cap came unscrewed and the flashlight must have fallen out of my pocket when I pulled out my keys.
So, now, I am without this great little light. I most likely replace it with something of a different design, as this sint' the first time this has happened. This replace an o-light I had that did the same thing.

Ahren Renner

Handy and useful backup in the event that you might be caught out without a main light. Bright enough to get the job done and small enough to ensure that you always have it with you.

Richard E Pruitt Jr

A really great light

David Supensky

A great little light. Wish it was a little longer with push button on/off switch.

John Vonhof

This is a nice little tight. It's perfect to keep in my bike bag for those dark moments when I need to fix a flat or some other thing on my bike. It will come in handy. Thanks Fenix.

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