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The SureFire E2D Defender Ultra is a dual-output tactical EDC flashlight with a fighting edge — 1,000 lumens high / 5 lumens low, 10,600 candela, 200-metre beam distance, TIR lens, crenellated Strike Bezel, scalloped tailcap, and dual-function stainless clip for bezel-up or bezel-down carry. 2.75-hour high runtime, 63-hour low runtime on two included 123A batteries…

SureFire E2D Defender Ultra – Dual-Output Tactical LED Flashlight | 1,000 Lumens | Crenellated Strike Bezel

The SureFire E2D Defender Ultra is SureFire’s definitive everyday carry tactical flashlight with a fighting edge — combining a 1,000-lumen TIR beam, a crenellated Strike Bezel, and a scalloped tailcap in a precision-machined aerospace aluminium body that functions as both a high-performance illumination tool and a formidable impact weapon at contact distance. With 10,600 candela and a 200-metre beam reach, the E2D Defender Ultra delivers blinding white light to disrupt an attacker’s night-adapted vision while keeping the surrounding area visible for full situational awareness — the complete everyday carry defensive light package.

Why the SureFire E2D Defender Ultra is the Standard EDC Tactical Fighting Light

1,000 Lumens and 10,600 Candela — Blinding Tactical Output
The SureFire E2D Defender Ultra produces 1,000 lumens with a peak beam intensity of 10,600 candela — enough output to momentarily disorient and overwhelm a threat’s night-adapted vision at close range, creating a crucial window of tactical advantage. The intense high output also provides a 200-metre beam reach for positive target identification at outdoor distances, making the E2D Defender equally capable as a search and patrol light.

TIR Lens — Far-Reaching Beam with Situational Awareness Spill
The E2D Defender Ultra’s Total Internal Reflection (TIR) lens focuses the LED output into a smooth, tight hotspot for long-range identification while projecting a wide peripheral spill that keeps the surrounding area visible. This balanced beam pattern is essential for defensive use where the shooter or carrier needs awareness of threats at the edge of the beam, not just directly ahead — and is optimised for both indoor room clearing and outdoor open-area searches.

Dual Output — 1,000 Lumens High / 5 Lumens Low
The SureFire E2D Defender Ultra (E2DLU-A) offers two output levels from a single click-through tailcap switch. High output at 1,000 lumens runs for 2.75 hours. Low output at 5 lumens runs for 63 hours — ideal for map reading, administrative tasks, and low-profile illumination where full tactical output would be excessive or would destroy night vision. Clicking the tailcap twice from off accesses low output directly.

Crenellated Strike Bezel and Scalloped Tailcap — Formidable Impact Tools
Every SureFire E2D Defender body is machined with a crenellated Strike Bezel at the head and a scalloped tailcap at the rear — both designed to function as contact-distance impact tools when photons alone cannot resolve a threat. The Strike Bezel’s crenellations maintain purchase under pressure, while the scalloped tailcap flare provides a positive thumb register for hammer grip defensive strikes. The Defender carries thinner than most 18650 tactical lights, making it practical for plainclothes and duty belt carriers who want a proper self-defence striking surface without adding bulk.

Dual-Function Stainless Clip for Bezel-Up or Bezel-Down Carry
The E2D Defender Ultra includes a dual-function stainless steel pocket clip that accommodates both bezel-up and bezel-down carry, allowing the user to position the light for their preferred draw and grip orientation. The slim 5.6-inch body and 4.2 oz weight with batteries make it comfortable for all-day pocket carry.

Two 123A Lithium Batteries with 10-Year Shelf Life
The E2D Defender Ultra is powered by two 123A lithium batteries, included, with a 10-year shelf life — ensuring the light is ready regardless of how long it has been stored. The virtually indestructible LED is regulated to maintain consistent output across the battery’s discharge cycle.

Aerospace Aluminium with Mil-Spec Hard Anodizing and IPX7 Sealing
The E2D Defender Ultra body is precision-machined from high-strength aerospace aluminium with a Mil-Spec hard anodized finish for extreme durability and corrosion resistance, sealed to IPX7 waterproofing standards. Made in the USA.

SureFire E2D Defender Ultra Full Specifications

• Model: SureFire E2D Defender Ultra (E2DLU-A)
• High Output: 1,000 lumens
• High Runtime: 2.75 hours
• Low Output: 5 lumens
• Low Runtime: 63 hours
• Peak Beam Intensity: 10,600 candela
• Beam Distance: 200 metres
• Lens: Total Internal Reflection (TIR)
• Switch: Click-through tailcap pushbutton (high/low)
• Batteries: Two 123A lithium (included, 10-year shelf life)
• Length: 5.6 inches (14.2cm)
• Bezel Diameter: 1.125 inches
• Weight (with batteries): 4.2 oz (119g)
• Bezel: Crenellated Strike Bezel
• Tailcap: Scalloped (defensive)
• Clip: Dual-function stainless steel (bezel-up or bezel-down)
• Body Material: Aerospace aluminium
• Finish: Mil-Spec hard anodized
• Waterproofing: IPX7
• Made in: USA
• Ideal For: EDC, everyday carry, tactical use, self-defence, law enforcement, security
• Brand: SureFire