Acebeam H18

Four emitters on a 21700 make this Acebeam's brightest headlamp: 4,000 lumens of 6500K flood at 6,561 candela, or 2,700 lumens from the Nichia 519A 5000K CRI 90 option, with a 630 nm red secondary on four levels of its own. Turbo lasts thirty seconds before settling into a three-hour-forty-minute run, and the lowest level goes 280 hours. The 6,400 mAh 25 A cell charges through a metal-covered USB-C port on the body or on the cell itself, and the housing is IP68 with a two-metre drop rating. Body weight is 70 grams; with the cell, bracket and headband it is 191. The cool-white version carries no CRI figure.

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