S4™ Host Assembly

$24.99 inc. tax

$24.99 ex. tax
? Tax based on Alaska, United States.

Product Code: SL-S4LHA
Heat Sink Option*
Driver Pill Option*
Logo Marking Option*
Holster Option*

S4™ Host Assembly Summary

Our exclusive S4 host assembly features a tapered strike bezel-style crown/retaining ring, heat sink o-ring, a knurled and grooved heat sink holder, battery holder with cooling fins and groove detail, and an enlarged knurled, grooved and scalloped tail cap with a recessed green 'clicky' switch and wrist strap. The design of the tail cap and wrist strap retention method permits the S4 host to tail stand. Accepts 2 X RCR123A, 2 X CR123A or 1 X 18650 batteries depending on diode and driver used.

Includes your choice of aluminum or copper heat sink with set screw and a 0.050' Allen wrench (or no heat sink), choice of standard aluminum, drilled aluminum, drilled brass or heat sink driver pill, all including a brass ring to fit a 16.8mm diameter driver board, choice of black anodized finish with no marking or black anodized finish with the Survival Laser logo and choice of holster or no holster.

 If you select the "driver heat sink" pill option, you should also select the "extended and tapered copper" heat sink option to allow enough room for the other components.

All heat sinks are designed to fit a standard 12mm diameter diode module.

The S4 host can be used as a high performance flashlight with our flashlight parts bundles and a single 18650 battery.

The S4 host is compatible with the battery extension tube, pressure pad switch, the Survival Laser holster and other parts and accessories.

Note: Does not come with LED diode, diode module, driver circuit, lens, focusing ring or other components. Blue anodized aluminum heat sink option shown in some photos.

Overall Length: 4.96' (w/standard heat sinks)
Maximum Diameter: 1.02'
Weights: 69 grams (with aluminum heat sink)
96 grams (with standard copper heat sink)
104 grams (with extended copper heat sink)
116 grams (with extended and tapered copper heat sink)

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