NITECORE MH12S Superior Performance 21700 Dual Fuel Compact Flashlight
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NITECORE MH12S Superior Performance 21700 Dual Fuel Compact Flashlight

by: Nitecore


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Nitecore NTR10 tactical Ring - Included 

 Nitecore NTR10 Tactical Ring Pro


Rear clip for the NTH10 holster.

2 x Rear clips for the NTH10 holster are included.
Please do not ask for any additional rear clips for the NTH10 holster.
There are two assigned rear clips assigned for one NTH10 holster.
We have double checked and made sure that there are 2 x rear clips for the NTH10 holster. If you lose them, we will not replace them.


Equipped with a Luminus SST-40-W LED and an optical system combined with crystal coating and “Precision Digital Optics Technology” (PDOT), the MH12S is able to emit a max output of 1,800 lumens, a max peak beam intensity of 21,600cd and a max throw of 294 meters available with 2 user modes, 5 brightness levels and 3 special modes, ideal for emergency, self defense, outdoor activities, maintenance checks, patrols, law enforcement and more.

Recommended to be powered by 1 x 21700 battery while compatible with 1 x 18650 battery or 2 x CR123 / RCR123 batteries, the MH12S has full compatibility of battery sizes while USB-C rechargeable. It has 1,500 hours ultra long runtime which enables a consistent usage of 60 days on ULTRALOW. The integrated ATR technology regulates the output of the MH12S according to the working condition and ambient environment to maintain the optimal performance.

The MH12S is compatible with the NTR10, a tactical accessory to enable a unique and flexible way of carrying or operating a flashlight. It can be mounted on one of its slots according to the size of the user’s hand. Specially designed for law enforcement, the included NTH10 Tactical Holster is a compact and flexible tool to enable a quick draw of the flashlight. The included detachable clip enables additional carrying ways to be clipped in the pocket, the backpack or the MOLLE System. The MH12S is all-weather applicable as IP68 rated, 2m submersible and 1m impact resistant.

Nitecore MH12S Spec

FL 1 STANDARD Turbo    High     MID LOW Ultralow Strobe Beacon SOS
*45min 3 h 15 min 7 h 15 min 45 h 1,500 h ------- ---------- -----------
294 m 219 m 122 m 49 m 7 m ---------
----------- -----------
21,600cd 12,000cd 3,700cd 600cd 12cd ---------- ---------- -----------
1 m ( Impact Resistant )
IP68 Rated, 2 meters underwater

Note: The stated data is measured In accordance with the International flashlight testing standards ANSI/PLATO FL. 1-2019, using 1 x 21700 Li-Ion battery (5.000mAh) under laboratory conditions. The data may vary in real world use due to different battery usage or environmental conditions.

• The runtime of TURBO is tested without the temperature regulation.

• TURBO Availability: The TURBO level is only accessible when using a 21700/18650 rechargeable Li-ion battery with a discharge current over 8A. It is inaccessible when using CR123/RCRI23 batteries. 

    • Utilizes a Luminus SST-40-W LED with a max output of 1,800 lumens 
    • Max peak beam intensity of 21,600cd and max throw of 294 meters
    • An optical system combined with crystal coating and "Precision Digital Optics Technology" (PDOT)
    • Powered by a 21700 high capacity Li-ion battery while compatible with 18650 and CR123 batteries, to provide a runtime up to 1,500 hour
    • Tactical Mode and Daily Mode available 
    • A power indicator beneath the side switch indicates the remaining battery power (Patent No. ZL201220057767.4) STROBE Mode uses randomly changing frequencies for stronger dizzying effects
    • The tactical tail switch and the metal side switch control 5 brightness levels and 3 special modes
    • The power indicator can display the battery voltage (±0.1V)
    • Intelligent Li-ion battery charging circuit with a USB-C port
    • NITECORE 21700 Li-ion battery included (NL2150 5,000mAh) 
    • Highly efficient constant current circuit provides a stable output 
    • Incorporated Advanced Temperature Regulation (ATR) module (Patent No. ZL201510534543.6)
    • Electronic reverse polarity protection
    • Electronic reverse polarity protection
    • Optical lenses with double-sided scratch resistant coating
    • Constructed from aero grade aluminum alloy
    • HA III military grade hard-anodized finish
    • Waterproof and dustproof rating in accordance with IP68 (2 meters submersible)
    • Impact resistant to 1 meter 
    • Length: 131.3 mm / 5.17 in
    • Head Diameter: 25.4 mm (1.00")
    • Tube Diameter: 25.4 mm (1.00")
    • Tail Diameter: 27.2 mm (1.07")
    • Weight: 69.7 g (2.46 oz)
    • Nitecore 21700 Rechargeable Li-ion Battery
    • Clip
    • NTH10 Holster
    • Nitecore NTR10 Tactical Ring
    • Lanyard
    • Spare O-ring
    • 18650 / CR123 Battery Magazine
    • USB-C charging cable
  • All NITECORE® products are warranted for quality. Any defective / malfunctioning NITECORE® product can be repaired free of charge for a period of 60 months (5 years) from the date of purchase. Beyond 60 months (5 years), a limited warranty applies, covering the cost of labor and maintenance, but not the cost of accessories or replacement parts. The warranty is nullified in all of the following situations :

    1. The product(s) is/are broken down, reconstructed and/or modified by unauthorized parties.

    2. The product(s) is/are damaged through improper use.

    3. The product(s) is/are damaged by leakage of batteries.

    For the latest information on NITECORE® products and services, please contact your national NITECORE® distributor or send an email to

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