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21700

Last Longer Than 18650s

Do you want a longer-lasting flashlight without the bulky weight of higher-powered batteries? If so, then 21700 flashlights may just be the right illumination tools for you! These premium LED lights are powered by 21700 Li-ion batteries, which are just slightly larger than the more commonly-known 18650 yet offer a higher energy density and capacity. This means your 21700 flashlights will last longer and will deliver brighter outputs, without having to require two hands for carrying or for operation.

More Energy Density

Oftentimes, with high-powered flashlights, you have to sacrifice portability, comfort, and convenience in order to maintain long run times and bright outputs. For example, the Acebeam EC65 is powered by one 21700 battery. When in its 20-lumen Ultra Low mode, this EDC flashlight lasts for up to four days! That's 96 hours of use at a pretty reasonable output level. The Nitecore P12 is a 1x18650 flashlight with an unbeatable runtime of 520 hours (over 21 days!); however, this is when the light is in its 1-lumen Firefly mode. If you are looking for a light that can still illuminate a room after a couple of days, then choose a 21700 flashlight.

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  1. Olight Javelot Rechargeable LED Flashlight - 1350 Lumens - Includes 1 x 21700 - Matte Black or OD Green
    Olight Javelot Rechargeable LED Flashlight - 1350 Lumens - Includes 1 x 21700 - Matte Black or OD Green
    $104.99 - $109.99
    FREE SHIPPING Over $50 *
  2. Acebeam L35 V2.0 LED Flashlight - 5000 Lumens - CREE XHP70.3 Hi - Includes 1 x USB-C Rechargeable 21700 - Black or Green
    Acebeam L35 V2.0 LED Flashlight - 5000 Lumens - CREE XHP70.3 Hi - Includes 1 x USB-C Rechargeable 21700 - Black or Green
    $114.95
    FREE SHIPPING Over $50 *
  3. Olight Seeker 4 Rechargeable LED Flashlight - 3100 Lumens - Includes 1 x 21700 - Matte Black or Red
    Olight Seeker 4 Rechargeable LED Flashlight - 3100 Lumens - Includes 1 x 21700 - Matte Black or Red
    $109.99
    FREE SHIPPING Over $50 *
  4. Olight Warrior X 4 Rechargeable LED Flashlight - 2600 Lumens - Includes 1 x 21700 - Matte Black or Camo
    Olight Warrior X 4 Rechargeable LED Flashlight - 2600 Lumens - Includes 1 x 21700 - Matte Black or Camo
    $129.99 - $139.99
    FREE SHIPPING Over $50 *
  5. Olight Seeker 4 Pro Rechargeable LED Flashlight - 4600 Lumens - Cool White or Neutral White - Includes 1 x 21700 - Matte Black, Orange, Midnight Blue, White, or OD Green
    Olight Seeker 4 Pro Rechargeable LED Flashlight - 4600 Lumens - Cool White or Neutral White - Includes 1 x 21700 - Matte Black, Orange, Midnight Blue, White, or OD Green
    $139.99
    FREE SHIPPING Over $50 *
  6. Fenix CL26R Pro USB-C Rechargeable LED Lantern - 650 Lumens - Includes 1 x 21700 - Olive Drab, Grey Camo, or White Marble
    Fenix CL26R Pro USB-C Rechargeable LED Lantern - 650 Lumens - Includes 1 x 21700 - Olive Drab, Grey Camo, or White Marble
    $79.95
    FREE SHIPPING Over $50 *
  7. Acebeam E75 USB-C Rechargeable LED Flashlight - 4500 or 3000 Lumens - 6500K Cool White or 5000K Nichia CRI90 LEDs - Includes 1 x 21700 - Black, Grey, Teal, or Green
    Acebeam E75 USB-C Rechargeable LED Flashlight - 4500 or 3000 Lumens - 6500K Cool White or 5000K Nichia CRI90 LEDs - Includes 1 x 21700 - Black, Grey, Teal, or Green
    $99.95
    FREE SHIPPING Over $50 *
  8. Fenix TK20R-UE USB-C Rechargeable LED Flashlight - 2800 Lumens - Luminus SFT70 - Includes 1 x 21700 - Desert Camo, Tan, Tropic, or City Gray
    Fenix TK20R-UE USB-C Rechargeable LED Flashlight - 2800 Lumens - Luminus SFT70 - Includes 1 x 21700 - Desert Camo, Tan, Tropic, or City Gray
    $139.95
    FREE SHIPPING Over $50 *
  9. RovyVon S23 USB-C Rechargeable EDC LED Flashlight - 4000 Lumens - Includes 1 x 21700 - Black or Gunmetal
    RovyVon S23 USB-C Rechargeable EDC LED Flashlight - 4000 Lumens - Includes 1 x 21700 - Black or Gunmetal
    $129.95
    FREE SHIPPING Over $50 *
  10. RovyVon S21 EDC LED Flashlight - 3000 Lumens - Includes 1 x USB-C Rechargeable 21700 - Black or Gunmetal
    RovyVon S21 EDC LED Flashlight - 3000 Lumens - Includes 1 x USB-C Rechargeable 21700 - Black or Gunmetal
    $109.95
    FREE SHIPPING Over $50 *
  11. Olight RN1500 USB-C Rechargeable LED Bike Light - 1500 Lumens - Luminus SST-40 - Includes 1 x 21700 - Black or Grey
    Olight RN1500 USB-C Rechargeable LED Bike Light - 1500 Lumens - Luminus SST-40 - Includes 1 x 21700 - Black or Grey
    $79.95 - $79.99
    FREE SHIPPING Over $50 *
  12. Acebeam Defender P17 Dual-Switch LED Flashlight - 4900 Lumens - CREE XHP70.3 HI - Includes 1 x USB-C Rechargeable 21700 - Black, Grey, OD Green, and Desert Sand
    Acebeam Defender P17 Dual-Switch LED Flashlight - 4900 Lumens - CREE XHP70.3 HI - Includes 1 x USB-C Rechargeable 21700 - Black, Grey, OD Green, and Desert Sand
    $109.95
    FREE SHIPPING Over $50 *
  13. Olight Baton 3 Pro Max - 2500 Lumens - Black, Desert Tan, OD Green, Orange, Purple, or Limited Edition Brass - Cool White or Neutral White LEDs - Includes 1 x 21700
    Olight Baton 3 Pro Max - 2500 Lumens - Black, Desert Tan, OD Green, Orange, Purple, or Limited Edition Brass - Cool White or Neutral White LEDs - Includes 1 x 21700
    $89.99 - $109.99
    FREE SHIPPING Over $50 *
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