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LightForce® XLi Therapy Laser

Treat larger, deeper structures and provide faster pain relief with real time dosing feedback.

Ideal for: The busiest practices treating the most challenging cases.

Faster Treatments.

Deeper Structures.

Larger Areas.


The new 40W LightForce® XLi with Empower IQ™ Delivery System combines power and intelligence to bring innovation to the laser therapy treatment room. Designed for busiest practices who desire the fastest, most effective treatment solution, the LightForce® XLi brings science and technology together to make treatments more efficient.


The 40W LightForce® XLi is our most powerful laser ever. The increased power directly impacts the time needed to apply a therapeutic dose of light energy, allowing clinicians to decrease the time required to treat effectively. The higher power equips clinicians to treat deeper and faster while covering more tissue area with the new XL Treatment Cone.


Recommended Speed

Speed Too Fast

Speed Too Slow

Powered by the next level of LightForce® Influence® Technology, the 40W LightForce® XLi was innovated with the clinician in mind. In order to achieve effective treatments and improve dosing accuracy, the XLi assesses the operator’s speed and gives real-time visual and sensory feedback. The in depth protocol settings provide recommended parameters on treatment heads and power levels to aid in technician confidence and reduced learning time.




The new Empower IQ™ Delivery System changes the game in laser therapy emission. Built to be user friendly and responsive, Empower IQ™ is the new generation of delivery technology.

LightForce® Fiber

Ultra-premium workmanship and next level durability. Extra-long for user convenience.

Smart Handpiece

Built-in dosing feedback technology with embedded finger switch and indicator lights. Ergonomic styling for operator comfort.

Quick Disconnect Treatment Heads

XL Rolling Pin

XL Cone

Large Massage Ball

Large Cone

Small Massage Ball

Flat Window

Watch a LIVE demonstration of the 40W XLi.



Where Power Meets Intelligence. Our most powerful laser ever, the LightForce® 40W XLi impacts deep tissue faster for pain relief. The LightForce® intelligent hand piece and onscreen recommendations increase dosing accuracy and help technicians treat with confidence.

  1. High-power performance
  2. Impact on pain
  3. Accurate dosing
  4. Larger head to treat a larger surface area
  5. Built-In assistant through in-use recommendations on dosing and hand piece heads
  6. Technician confidence through visual and sensory feedback on dosing technique in real time
  7. NEW Empower IQ™ Delivery System
  8. influence® Technology
  9. High Definition Touch Screen Interface
  10. Built-In Training Resources
  11. Instant Replay Your Favorite Protocols
  12. Flexible Architecture for Future Upgrades
  13. Perfect Protocol Software
  14. Comprehensive 2-year Warranty
  15. Comprehensive Training Resources including Onsite Installation Training
  16. 0.5 – 40 Watts of Therapeutic Power


Our NEW Empower IQ™ Delivery System provides on screen and in hand recommendations to increase the accuracy of treatments. Off and on-contact XL heads allow users to treat large surface areas quickly without jeopardizing patient comfort at higher power settings.

  1. Smart Hand Piece that provides guidance based on treatment head selection and treatment pacing.
  2. On screen recommendations for delivery heads including best options, acceptable options, and not recommend for use for specific conditions treated.
  3. Extra large cone for hand piece that allows for a larger region of interest to be treated at a time.
  4. Treating larger areas faster allows technicians to treat primary and secondary factors of pain.
  5. Quick release attachments provides for ease in changing treatment heads (5 multipurpose heads).
  6. Easy to use finger switch operation.
  7. On Contact and Non-contact delivery heads.
  8. Ultra-durable, extra long fiber optic cable with built-in winder for simple storage between uses.

influence® Technology

influence® Technology harnesses software and hardware advancements to enhance treatment applications.

Customized Take into account patient-specific considerations to deliver the most appropriate treatments. Customize your treatments based on condition, skin type, body type, and acuity.

Consistent Deliver the same effective treatment every time. Easily save and repeat treatments with confidence.

On-Contact Treat like no other therapy laser can with patented contact-application technology. Benefits of on-contact laser therapy treatments:

  1. Compression, reach targeted tissue by removing superficial absorbers
  2. Collimation, tighter beam minimizes energy loss
  3. Reflection, significantly reduced in contact mode
  4. Soft Tissue, manually work tissue while delivering energy
  5. Refractive Index, minimize light loss due to similar index of skin and lens composition


Laser Type: Class IV, Solid State
Laser Wavelength: 980/810 nm
Laser Power: 0.5W – 40W
Operating Modes: CW or Pulsed
Aiming Beam: 650 nm, 4.5 mW
Dimensions: 17” x 10.5" x 11” | 43 cm x 28 cm x 26 cm
Weight: 19.6 lbs. | 9 kg

Why LightForce®

LightForce® Therapy Lasers is the leader in therapeutic laser science and technology. Our commitment to research and evidence-based treatment solutions defines the direction for our innovations and treatment solutions. Keeping to our core values, LightForce® works to ensure the success of our customers by providing the best customer, product, and clinical support in the industry.

Worldwide Leader

LightForce® is the worldwide leader in therapeutic laser science and technology. With thousands of customers across the globe, LightForce® estimates over 1 million+ treatments are performed using our devices per month. LightForce® is unique amongst laser devices in our singular focus in rehabilitation and pain management.

US Designer & Manufacturer

LightForce® designs and manufactures therapy lasers in the United States, and each of our products is FDA cleared for the treatment of pain. Through our global commitment to excellence, LightForce® follows our proven quality control process to meet and exceed international standards.

Athletic Partner

Over 250 professional and college sports teams trust LightForce® Therapy Lasers for their athletes. You will see LightForce® lasers on the sidelines in the NFL, NBA, MLB, NHL, MLS, NCAA, PGA Tour, USA Basketball, Olympics, Cirque Du Soleil, UFC, US Air Force, and the X Games.


LightForce® is the industry leader in engaging with the research community and furthering the body of evidence around treatment parameters and protocols. With over 7,000 articles published on Low Level Laser Therapy, photobiomodulation is well established in the scientific community for efficacy in treating musculoskeletal pain and inflammation.

Customer Care

LightForce®’s in-house customer care is offered by real people located in the US. Our customer care team is trained in troubleshooting questions regarding your laser's hardware and software, and these team members strive to help our customers have the best experience using their LightForce® lasers.


LightForce® provides in-office training to all of our customers as well as continuing education opportunities to continue to advance in their laser therapy knowledge. In addition, LightForce® offers our customers clinical support through our in-house clinical team that is available answer specific treatment questions and provide evidence treatment solutions.

Practice Building Experts

Having helped thousands of customers institute laser therapy programs into their practices, LightForce®’s team of practice building experts is available to help every customer with their individual success plan. We offer recommendations on how to make laser therapy successful in your practice and offer in-person options for launching laser therapy in your office.

Your Partner for Success

LightForce® is known for our after-sale support of our customers. We become your partner in implementing a successful laser therapy program into your practice. Our Outcomes=Income model shows you how you can bring better results to your patients and income to your practice.

Choose a Partner That Checks ALL the Boxes


  • FDA Cleared
  • US Manufacturer
  • ISO Certified for Design, Development, Production, Distribution & Service
  • Built for Rehab/Pain use for Reduction of Pain & Inflammation
  • Product Testing
  • Certified to US, Canadian, & European Safety Standards


  • Team of PhD's in the Field of Lasers
  • Over 100 Combined Years in Laser Design & Development
  • Regularly Published Research
  • Peer Reviewed Published Research Using LightForce® Products
  • Cooperative Research Agreement with the US Dept. of Defense


  • Built-In & Customizable Protocols with the Ability to Save Your Own Protocols
  • Long, Flexible Fiber Optic Cable with Fiber Management
  • Multiple Attachment Head Options
  • Patented Contact Roller Ball Application
  • Digital User Interface
  • Intuitive Built-In Smart Dosing Technology
  • Patented Skin Type Customization
  • Self Monitoring Power Output


  • Manufacturer's Warranty
  • In-House Service & Repair
  • Laser Loaner During Repair
  • Worldwide Customer Service Department
  • Continual Service on Previous Platforms
  • 24-Hour Turn Around Service


  • Clinical Team Available to Contact
  • Treatment Guidance
  • In-Person Training
  • Continuing Education
  • Marketing Collateral
  • Fully Featured Success Plan


-Kevin Wilk, PT, DPT

Ready to experience the LightForce® 40W XLi?

Fill out the form below to receive a quote or speak to a representative at 1.877.627.3858.