Mountain Lab S1500 Flashlight Kit

A balanced powerhouse. The S1500 offers serious brightness without demanding the bulk of full-crush torches. With Smart Mode, lockout, and both helmet + handlebar mounts, it’s built to adapt, protect your battery, and do more than just “light things up.”

Brightness with moderation: Riders often face a trade-off: bright light that drains fast, or weak light that lags. The S1500 bridges that gap — delivering 1,500 lumens in a body that’s still mount-friendly and battery-smart.

Smart Mode for safety & efficiency: We designed Smart Mode to increase visibility during the day (strobe) and switch to steady mode at dusk. It also shuts off after 2 minutes of no motion to preserve battery, reactivating on movement. This feature stems from real-world rider feedback — no more forgetting the light was on in your pack.

Lockout mode: Accidental activation is a common bane of flashlight owners — especially in backpacks or pockets. So we added a lockout function to prevent unintentional turn-ons.

Mounting flexibility & kit completeness: Because your rig changes — helmet, handlebar, wired remote — we included all necessary mounting options out of the box. You don’t have to customize just to make it work.

Rugged & built for the elements: Designed with IPX6 waterproofing, sealed internals, and a durable body to face shock, vibration, moisture, and dirt.

Optimized thermal & power design: Inside this compact housing, battery, heat sinks, and circuit protections are tuned to manage output and thermal behavior — so you get usable brightness over time, not just a burst and burnout.

Daylight visibility & road safety: We’ve run this on daytime rides using Smart Mode’s strobe to help riders stand out to traffic and reduce close-pass risk.

Transition from day to night: On long-day rides that slide into dusk, the automatic switch from strobe to steady mode keeps you focused and saves battery.

Packed and rugged transport: Carried inside gear bags, tossed in sled decks — the lockout mode prevented drain, and the structural integrity remained solid after repeated jostling.

Wet rides & temperature extremes: We tested in rain, snow spray, and subzero cold. The light started reliably, held output, and the seals kept the internals intact.

Extended overnight missions: On backcountry support runs, the medium and low modes allowed all-night use without burning through battery reserves — ideal when full 1,500 lm isn’t necessary.

All-in-one solution: When you need one light to serve on your helmet, bars, or rig without compromise.

Mixed-use rides: For riders who experience daylight stretches, dusk, and night in a single outing — this adapts unlike fixed-output lights.

Battery-conscious adventuring: If preserving battery life matters, Smart Mode and efficient lower modes deliver real usability beyond just peak output.

Safety-focused riders: When you want to be seen (even during the day) and avoid being “another dark spot” on the trail.

Field reliability over flash: When you need durable, consistent performance rather than extreme specs that fail in real conditions.

Details

• 1,500 lumens max output
• 4,800 mAh battery with USB-C fast charging
• Smart Mode: daytime strobe → dusk auto-switch
• Lockout mode to avoid accidental activation: 200 m beam distance
• 118° floodlight angle
• IPX6 water resistance
• Weight: 159 g
• Dimensions: 108 x 28 x 38 mm
• Kit includes helmet mount, handlebar mount, wired remote, USB-C cable

Output modes & runtimes:

Ultra-High ~1h48

High ~4h

Medium ~12h

Low ~24h

Breathe (50–100 lumens) ~24h

Daytime Flash ~30 min