brightest pen flashlight rechargeable U4 high bright penlight(black) This item comes in clamshell packaging. Shop Rechargeable Pen Light |

Body: Aluminum Length: 2.70 Max Lumens: 40 Battery Type: Rechargeable Or Disposable Water Resistance: IPX8 Weight: 1.2oz NITECORE TK4 Pros Massive lumen output Has an OLED display Very compact size Great battery life Cons 4,000 lumens only available in 10-second bursts Best High-Lumen Pick: Since first coming onto the scene in 2007, NITECORE has become an increasingly popular player in the world of high-performance flashlights with an ever-growing catalog of ever-more-impressive torches and everyday carry gear

The durable housing helps provide impact protection

Pros Large 5,000mAh 21700 cell Well-regulated 800 lumen sustained output Dual-switch tactical interface Proximity sensor prevents overheating Cons Proximity sensor can dim it unexpectedly Proprietary MCC3 magnetic charging only Grey anodizing wears relatively easily A 2,300 lumen dual-switch tactical light on a customized 21700 5,000mAh cell with a proximity sensor, earning the tactical award on regulation and runtime

Length Adjustment A good backcountry ski pole allows for some length adjustment to match the activity at hand

Made with grade 5 titanium in a choice of two finishes, it also offers a variety of LED options ranging from cool white to night vision-preserving red

These have good grip on hardpack and are responsive and energetic through turns, one tester praised