Home
Tests
All Tests
Browse by Activities
Bike
Camera
Underwater
Outdoor
Browse by Brands
All Brands
Comparison
FAQ
Home
Brands
Serfas
Thunderbolt 2.0 Tail Light
Thunderbolt 2.0 Tail Light
Serfas
Bike
Claimed Specs
Beam
Flood
Lumens
25 High
Med
Low
Run Time (mins)
90 High
Med
Low
Charge Time
Weight
40 grams
Claimed
vs
Actual Results
Lumens
Beam Angle
Runtime
Claimed
25
90 mins
Actual
31
85 mins
Difference
+6
-5
mins
Tested on High Solid Mode
Lumen Test
Please enable JavaScript to view the
comments powered by Disqus.
Signup to our newsletter
×
Signup to our newsletter
Be the first to receive new tests and reviews right in your inbox.
Email Address
Name