18650

These flashlights are all powered by 18650 cells. Generally, a flashlight powered by one 18650 can be powered by two CR123A cells. Furthermore, a flashlight powered by two 18650s can generally be powered by four CR123A cells, and so on. However, using CR123As over 18650s may decrease peak performance standards.
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  1. Nitecore NU40
    Nitecore NU40
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  2. Nitecore NU43 Headlamp
    Nitecore NU43 Headlamp
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  3. Nitecore NU45 USB-C Rechargeable LED Headlamp - 1700 Lumens - NiteLab UHE x Uhi LED - Uses Built-in 3.7V 4000mAh Li-ion Battery Pack
    Nitecore NU45 USB-C Rechargeable LED Headlamp - 1700 Lumens - NiteLab UHE x Uhi LED - Uses Built-in 3.7V 4000mAh Li-ion Battery Pack
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