Lumens Factory
D26-LED Quad LED Module (Gen 2)
Best high-output upgrade for tactical flashlight enthusiasts needing broad flood illumination.
Upgrade your Surefire, G&P, or Pila flashlight with the Lumens Factory D26-LED Quad LED Module (Gen 2). This high-performance module offers exceptional brightness, reaching up to 1275 lumens, and features advanced Nichia 519A or XPL LED options. Designed for broad compatibility, it operates on a wide voltage range (3.6V-13V) and boasts a Mil-Spec fit for secure integration. The module includes Carclo 10621 Quad Optics for a flood beam, ideal for close-quarters illumination, and incorporates essential protections for enhanced durability and reliability.
$64.50
Owner Satisfaction
4.7
/ 5
Category Rank
77
/ 1421
#77 in Electronics Component Connectors
Price vs Category Average
-71%
Below average
Input Voltage
3.613
/ V-V Regulated
Who it's for
- Flashlight enthusiasts looking to modernize vintage lighting gear
- Outdoor adventurers needing longer battery life for extended trips
- Tactical users requiring reliable performance in demanding environments
Who should skip it
- Users with flashlight bodies lacking adequate heat dissipation
- Budget-conscious shoppers seeking affordable replacement parts
- Owners of legacy flashlights using non-standard battery configurations
Performance breakdown
Lumen Output
Delivers impressive, high-intensity illumination suitable for demanding tactical environments.
Beam Versatility
Quad optics provide a smooth, wide flood perfect for close-range tasks.
Build Integrity
Precision-machined aluminum and brass construction ensures rugged, long-term reliability.
Voltage Flexibility
Wide input range allows for seamless integration across various power configurations.
Circuit Protection
Integrated safety features effectively prevent damage from polarity or over-discharge issues.
Compatibility
Designed for a secure Mil-Spec fit in most legacy flashlight bodies.
Key Specs
Input Voltage
3.6V-13V Regulated
Maximum Current Output
2000mA
Maximum Brightness
1275 Lumens
Optics
Carclo 10621 Quad
Housing Material
Precision Machined Aluminum with Brass Base
LED Options
Nichia 519A (5700K or 4000K) or XPL Warm White
Housing Included
Yes
Compatibility Note
Not recommended for <16650 1-cell setups
Features
- High output with Nichia 519A or XPL LEDs
- Wide voltage compatibility (3.6V-13V)
- Mil-Spec design for secure fit
- Reverse polarity protection
- Over-discharge protection
- Carclo 10621 Quad Optics for flood beam
- Generation 2 upgrade for improved performance
- Up to 1275 Lumens output
What customers say
Enthusiasts overwhelmingly praise the D26-LED Quad LED Module Gen 2 for its performance and engineering precision. Users report a transformative upgrade, highlighting exceptional brightness and superior beam quality. The quad configuration delivers a powerful flood beam with excellent usable throw, perfect for tactical needs. A major point of satisfaction is the effective thermal management, ensuring stable high output without significant performance drop. Build quality and fit are consistently lauded, achieving OEM level precision in compatible hosts. While the initial cost is premium, buyers agree the significant performance gains and reliability justify the investment, making it a high value upgrade for serious users seeking the best available output.
Know before you buy
This module is designed to fit standard D26-sized flashlight hosts, including most models from Surefire, G&P, and Pila. It features a Mil-Spec fit to ensure a secure, rattle-free integration within these compatible housings.
No, this module is not recommended for single-cell setups smaller than 16650. Because it requires a voltage range of 3.6V to 13V, it performs best with multi-cell configurations to ensure consistent, regulated output.
The Nichia 519A is highly regarded for its superior color rendering, making colors appear more natural and vibrant. The XPL option is typically chosen for its raw efficiency and high-output performance in a warm white tint.
The Carclo 10621 optic is specifically designed to produce a wide, smooth flood beam. It is ideal for close-quarters illumination and tasks where you need to light up a broad area rather than focusing on a long-distance hotspot.
Yes, the module is equipped with both reverse polarity protection to prevent damage from incorrectly installed batteries and over-discharge protection to help maintain the health of your power cells.
The module comes fully assembled with its own precision-machined aluminum housing and brass base. You can drop it directly into your compatible flashlight host without needing additional parts.
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