Name: SPERAS M4 Plus 18650 Battery Tube | Extended Runtime
Brand: Speras Flashlight
Availability: InStock

About SPERAS M4 Plus 18650 Battery Tube | Extended Runtime

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.

SPERAS M4 Series 18650 Flashlight Battery Extension Body in Classic Black

Classic Black Edition

SPERAS M4 Series 18650 Flashlight Battery Extension Body in Desert Sand

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.

SPERAS M4 Plus 18650 Battery Tube | Extended Runtime

About SPERAS M4 Plus 18650 Battery Tube | Extended Runtime

18650 Flashlight Body Extension: Maximize Your Runtime

Why Upgrade to the 18650 Extension Body?

📦 30-Day Satisfaction Guarantee

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