SPERAS M4 Plus 18650 Battery Tube | Extended Runtime
- $4.99
- $4.99
- Unit price
- per
The first M4 upgrades, only 50 pieces in black, arrived for a sneak preview.
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Free shipping on all order above $49.99 to most countries.
Warranty
Most flashlights can directly get 5 years warranty; battery and accessories get 1 year warranty.
Note
Any questions, please email to info@sperasflashlight.com
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18650 Flashlight Body Extension: Maximize Your Runtime
Transform your compact SPERAS M4 EDC Flashlight into an outdoor-ready powerhouse. This extended battery compartment allows you to seamlessly swap out the standard 18350 battery for a high-capacity 18650 lithium-ion cell, delivering longer runtime for extended outdoor trips or work shifts.
Why Upgrade to the 18650 Extension Body?
- Extended Runtime: Unlocks the ability to use a standard 18650 battery, drastically increasing your runtime across all output modes.
- Improved Ergonomics: The extended body provides a comfortable, full-hand hold, ideal for use with heavy gloves or during demanding outdoor tasks.
- Seamless Integration: Simply unscrew the original short body and thread on this 18650 extension. No tools required.
- Perfect Color Match: Machined from the same aerospace-grade 6061 aluminum alloy. Available in Classic Black and Desert Sand.
Classic Black Edition
Desert Sand Edition
📦 30-Day Satisfaction Guarantee
We stand behind our quality. If you are not completely satisfied with your purchase, you may return it within 30 days of delivery for a full refund or exchange.
| Model | SPERAS M4 V2 |
|---|---|
| Light Source | Luminus SFT40 2.0 |
| Max Output | 2000 lumens |
| Max Beam distance | 700 meters |
| Max Intensity | 122,500cd |
| Max running time | 220 hours(at the ECO mode) |
| Modes | turbo-high-medium-low-eco-strobe-sos |
| Switch | 1 side switch |
| Compatible Battery | 1 * 18350 Li-ion battery |
| Charging Type | USB-C charging |
| Water Resitance | IP68, underwater 2 meters |
| Impact Restance | 1.5 meters |
| Dimensions | 78.5(length)*40.4(head)*26(tube) mm |
| Weight | 87.2g/3.07oz (exclude battery) |
| Body Material | Aerospace 6061 Aluminium with military type III hard anodising surface |
| Application | Camping, Hiking, Wildlife Spotting, Cave Exploration, Home Use |
| Note: the above data has been measured in accordance with international flashlight testing standards ANSI/NEMA FL1 using SPERAS 3.7V/1100mAh 18350 battery under laboratory conditions. | |
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