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Thunderbolt 2.0 Tail Light

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Serfas

Bike
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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