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Klarus G15 21700 powered compact ultra-output long-running flashligh

klight

Enlightened
Joined
Jul 23, 2012
Messages
342
Klarus G15 21700 powered 4000 lumens compact long-running flashligh

4000 lumens high output, 188 meters beam distance, compact size.
5000mAh 21700 Li-ion battery, long lasting runtime.
• Micro-USB 1.5A fast charging anywhere.
• Centralized controls for easy one-hand operation.
• 5 output levels and 3 flash modes (strobe/beacon/sos) for any scenario.
More info: http://bit.ly/36jPR8j
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SKV89

Enlightened
Joined
Dec 10, 2017
Messages
575
Boughtt the light from BatteryJunction.com. The light does look good and very compact like an 18650 light. Output is good but you get the typical XHP70.2 corona and tint shift. Here are my measurements using the Texas Ace lumen tube measured at 2 seconds.

Turbo4052 lumens6062KDUV -0.0016CRI 75.4R9 -8R12 47.4Rf 71Rg 96
Top of Ramp2138 lumens5813KDUV 0.0008CRI 74.7R9 -14.2R12 44.1Rf 71Rg 96
2nd highest528 lumens5740KDUV 0.0029CRI 75.3R9 -16.3R12 42.1Rf 72Rg 94



It's the brightest single cell rechargeable XHP70.2 I've tested yet but it starts to ramp down at about 5-7seconds, which is reasonable given the small mass. I just wish it had USB-C instead of micro USB. There is a separate ground wire next to the mcpcb. Not sure what that is for. Voltage across the + and - leads is about 6V.
 
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