Description
Product Overview
This upgraded 2W-2.5W 525nm green laser flashlight adopts exclusive compressed beam optical design, built for astronomy enthusiasts, optical experiment hobbyists and outdoor engineering workers. Every optical structure and internal hardware is independently designed and CNC machined in our factory, with core technical advantages unmatched by ordinary assembled laser torches.
Core Optical Advantage: Custom Compressed Beam System
- Ultra-Narrow Collimated Beam
The beam divergence matches a standard 4x beam expander, while the exit beam diameter only reaches 1cm — half the spot size of regular 4x expanded lasers. It maintains tight concentrated light over ultra-long distances without rapid diffusion.
- CNC One-Piece Integrated Custom Lens
We independently design and CNC machine the integrated optical lens as a single forming part. Light loss is controlled to a negligible level, maximizing actual light output transmitted through the lens.
- Zero Visible Stray Light
Precision optical calibration delivers clean, uniform collimated spot without messy peripheral stray light, ideal for long-distance stargazing and precision alignment.
Premium Latest-Gen Laser Diode (Core Power Advantage)
This laser is equipped with brand-new premium high-spec green laser diodes, stably tuned to a steady 2W–2.5W output range under normal operating temperature.
Only top-tier latest-generation diodes can safely sustain stable 2–2.5W working power. Low-cost entry-level diodes have limited performance ceiling, and cannot support stable power output above 1.5W even with tuning.
Every unit is calibrated to deliver consistent real output power, no virtual power labeling.
Objective Technical Science: Heat Conduction vs Heat Dissipation
Many users confuse thermal conductivity and heat dissipation when choosing lasers, here is clear professional popular science:
- Thermal conductivity (copper vs brass): Copper conducts heat faster than brass, but this advantage only works for long-distance heat transfer over dozens of centimeters.
- Heat dissipation logic for small portable lasers:
The heat transfer distance between laser diode, cooling base and outer aluminum shell is nearly 0. Even 1–2cm transfer distance makes copper’s extra conductivity redundant for low-power lasers under 10W.
The aluminum outer shell bears all heat dissipation work for handheld lasers. For 2–2.5W low-power lasers, standard cooling structures fully meet temperature control demand; high-conductivity copper heat sinks only deliver practical value for industrial lasers over tens of watts.
Practical Built-In Functions
- 3 Adjustable Power Output Modes
Switch low/medium/high power freely to match stargazing, short-range alignment or long-distance observation scenes, extend single-battery runtime.
- Intelligent Automatic Overheat Protection
Built-in temperature sensing module will cut power automatically when internal temperature exceeds safety threshold, effectively protect laser diode and extend service life.
- Universal USB Type-C Charging Port
Compatible with power banks, wall chargers and car chargers, convenient for outdoor fast charging.
- Free Included 5000mAh Large-Capacity Rechargeable Battery
Comes with high-capacity lithium battery out of the box to support long-duration continuous use.
Product Specifications
- Wavelength: 525nm Pure Green
- Stable Output Power: 2W–2.5W
- Beam Design: Custom Compressed Collimated Beam
- Exit Beam Diameter: ~1cm
- Optical Lens: Self-Designed CNC One-Piece Integrated Lens, Ultra-Low Light Loss
- Power Gears: 3 Adjustable Output Modes
- Safety Feature: Auto Overheat Shutdown Protection
- Charging Interface: USB Type-C
- Included Accessory: 5000mAh Rechargeable Lithium Battery
- Application Scenarios: Astronomy Star Pointing, Long-Distance Outdoor Survey, Engineering Alignment, Optical Research Experiments
- Target User: Adult Optical Hobbyists, Astronomers, Outdoor & Construction Professionals
Mandatory Laser Safety Disclaimer (Platform Required)
- This product is Class 4 professional optical equipment, only for adult use, strictly keep away from minors under 18 years old.
- Always wear matched laser safety eyewear during operation to avoid irreversible retinal injury.
- Never aim laser beam at human eyes, aircraft, moving vehicles, buildings, wildlife or public crowds.
- Do not disassemble internal laser module without professional guidance; unauthorized modification will void all safety protection mechanisms.
- Do not leave the laser powered on unattended for extended periods