













Malkoff Devices
MDX4 M91 H/L Switch Flashlight
Head Style
Choose LED Drop-In
Tailcap Style
DESCRIPTION:
This flashlight consists of an MDX4 Body with an MDX Head and M91 style dropin of your choice. It is intended for use with two protected KeepPower 3500mah Li-ion 18650 button top cells. These batteries are NOT included. It comes with a black Tube Spacer installed. The spacer may be removed to accommodate shorter batteries.
We carry KeepPower 18650 batteries and XTAR X2 Chargers under the Products Tab.
Use the buttons to choose the Head Style, Dropin, and Tailcap Style. The High/Low (head twist) Bezel Switch comes stock on this light. This provides approximately 20-25 lumens on low. Please Note that grayed out button does NOT mean it's out of stock. You must click on the desired option to check stock.
| MODULE | APPROX OUTPUT | APPROX CURRENT DRAW at 7.4V | APPROX DISTANCE | APPROX RUNTIME on 2x 3500mah 18650 |
| M91B |
1000 lumens 7.5K Candela |
1400ma | 200+ feet | 2+ hours |
| M91T |
1000 lumens 35K Candela |
1400ma | 1500+ feet | 2+ hours |
| M91BN | 950 lumens 7K Candela | 1400ma | 200+ feet | 2+ hours |
| M91BW | 950 lumens 6.5K Candela | 1400ma | 200+ feet | 2+ hours |
Made in the USA. Some parts not domestically sourced.
Flashlight Extras
MDX Titanium Pocket Clip: The pocket clip will be installed if purchased on this page. Designed to fit between the Body and Tailcap of the Malkoff MDX Series Bodies. Material: Aerospace Grade ASTM Certified Domestic 6Al/4V titanium (50% more expensive than consumer grade titanium) insures maximum quality and consistency. Sold HERE.
MDX/MDM4 Tempered Glass Lens Kit (Ultra Clear): The tempered glass kit will be installed if purchased on this page. This is a 26.4 x 1.6 mm Tempered and AR Coated (UCL) Glass Lens for the MDX Head. Visible Light Transmissibility is 98%. This lens is chemically strengthened, aka chemically tempered, as opposed to heat tempered. High temperature resistance compared to standard acrylic lenses. It is more scratch resistant that float glass. Sold HERE.
This item is covered by our Lifetime Warranty.
Battery Warnings for Li-ion Cells (Not Included):
- Do Not over discharge/over charge
- Please recharge drained batteries ASAP
- Do Not short circuit
- Do Not dispose of in fire
- Do Not expose to extreme heat or water
- Please be familiar with the handling of Lithium-ion batteries prior to purchase
Use Only Quality Batteries from Trusted Sources. Lithium Primary and Li-ion Rechargeable Batteries are Inherently Volatile and Dangerous to Store and Use. All Lithium Batteries Introduce the Risk of Fire, Burns, and Explosions. You Assume the Responsibility of Educating Yourself About Their Use and Storage Before Purchase! If You are Uncomfortable With This, Do Not Purchase this Light!
Choose options
Head Style
Choose LED Drop-In
Tailcap Style
DESCRIPTION:
Head Style
Choose LED Drop-In
Tailcap Style
