Served correctly in my flashlight UltraFire WF-501B, great power and a good price, especially if you buy the separate parts, pricipalmente the LED and circuit board would be far more expensive. Read more
Very bright, is a great replacement part for the ultrafire wf-501b. Unfortunately, the value of 840 lumens is exaggerated, which in reality is around 400-450. For the rest it is a great wide beam optics. The only flaw is that the brightness value is a bit disproportionate, however, is around 400-450 ... Read more
For the first time in the many years I buy drop ins for the 501b these 3 are IN FOCUS and did not need refocussing.
The spill spot and low mid high are better balanced than the 3 mode drop in with about the same price.
This ome is the better one and the 3 pieces are similar in performance and color.
... Read more
If you need a 26.5mm for replacement with high level brightness and multiple mode, get this! I bought this for my WF-501B and it fit perfectly in it! It is very bright XML-T6! Buy it if you want it! The cons is it heat up easily in high mode but it is normal. As what I know is, the 26.5mm drop-in also ... Read more
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