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This unique sized battery is designed for high powered LED pen flashlight PT10-GT. The 700mAh capacity will keep your high-drain flashlights or devices running smoothly with a consistent 3.7V of power. With a built-in USB port, you are not only helping the environment by reusing a drained cell, but you are also getting your money's worth! The lithium chemistry allows for a stable power supply and can be stored up to three years. Perfect to stock up on and save for when you need them the most.
H30 is a compact and high-power headlamp, and it is also the brightest LED headlamp on the market driven by a single 21700 battery. Suitable for mining, exploration and outdoor search.The brightness of 4000LM is enough for you to deal with the dark night calmly. Under normal circumstances, we do not need an external redundant power supply to reduce the weight of outdoor assembly, only a 5100mah 21700 is enough.A variety of color LED configurations are available to enrich your application scenarios: red light is suitable for outdoor environments, thanks to the visual comfort of red light, it does not attract insects, and it is low reflectivity and visibility; green light is suitable for hunting environments, because some animals are not sensitive to green light. On the contrary, human beings are very sensitive to green; UV light is suitable for identification and evidence collection, which can easily identify blood stains and other biochemical substances, and is also conducive to the identification of currency; high color rendering light has the ability to present the original color of the light source, achieving better lighting effect. High-efficiency constant current circuit design scheme, no waste of power. Adjustable headlamp clip to meet your lighting needs from different angles.