Much too weak bicycle lamp

Much too weak bicycle lamp

CREE XM-L T6 Super Bright, 3800 Lumen 3x LED bicycle lamp, headlamp, flashlight CREE3X3800 (household goods)

Customer Review

Since I already have two 2400 lumen lamps identical construction, I ordered these 4 3800 lumens bicycle lamps for me and my biker friends.
The lamp reaches at level 2 almost the intensity of my 2400 lumen lamp; the performance of the battery is 1/3 shorter than that of my "weaker models". With pleasure I send you by e-mail to the juxtaposition of the two lamps.
20 seconds before the battery is flat, the indicator light on the back red on - unfortunately too late to change the battery if replacement battery is available.
Stay away from this product, false lumen indication; prefer 10 euros more to spend on more brightness and longer operating time.

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