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For the price, this is impressive. It has a real power LED and from how hot the case gets there is some heatsinking even if the LED board isn't mounted to the shell. It pulls 250-300mA so is more like 1W than 3. Don't know how long the LED will last but as a flashlight attachment to a USB power bank, I'm happy.
Verified purchase: Yes | Condition: New
I measured the power to be 1.33W and not 3W. The build quality is pretty good and it's easily disassembled as it's made of two aluminum parts screwed together. It contains what looks like a 3W LED and a 6.8 ohm resistor. The power could be increased if needed by simply changing the resistor. But for most cases it's powerful enough. Combined with a tiny home-made USB battery, it makes a very convenient torch to carry everywhere in a pocket as seen on the photo.
Verified purchase: Yes | Condition: New
bright, does get warm, shell acts as heat sink. just plug into small power bank and stays bright for almost 6 hours with 3400 ma 18650 battery. before power bank shuts down. small and easily carried, now i can carry just power bank for phone emergency and small head and leave my flashlight home. light output is much greater than led in many powerbanks. handy accessory
Verified purchase: Yes | Condition: New
Makes a great flashlight or work light when combined with a battery pack. Easy to pack with other traveling gear. Very bright and well focused. I love it.
Verified purchase: Yes | Condition: New
Pretty bright & the heatsink gets warm. Not a big deal though. Much easier to walk around with if you have a power bank you can plug it into.
Verified purchase: Yes | Condition: New