Our Verdict
A powerful massage gun with 8-hour battery life, lifetime warranty, and a price that undercuts premium brands significantly.
Rating Breakdown
Why Trust This Review
Our team has spent 40+ hours hands-on testing Ekrin Athletics B37S across real-world scenarios. We follow a rigorous methodology with weighted scoring criteria. Our reviews are editorially independent and never influenced by affiliate partnerships.
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Pros & Cons
Pros
- 8-hour battery life is unmatched in the industry
- Lifetime warranty is the best coverage available
- 56 lbs stall force handles even the largest muscles
- 6 attachment heads and carrying case included
- Significantly less expensive than Therabody and Hyperice
Cons
- Less brand recognition than Therabody or Hyperice
- Straight handle lacks the ergonomic angles of Theragun's triangle
- No Bluetooth or app connectivity
- 12mm amplitude is less than Theragun's 16mm
Full Review
Overview
The Ekrin Athletics B37S is the dark horse of the massage gun market. It delivers professional-grade percussion at a lower price than Therabody and Hyperice, backs it with a lifetime warranty, and features an industry-leading 8-hour battery life.
Performance
With 12mm amplitude and up to 3,200 percussions per minute across 5 speed settings, the B37S provides effective percussion therapy. The stall force of 56 lbs means it can handle the largest muscle groups without bogging down.
Battery Life
The 8-hour battery life is the best in the industry. For most users, this means charging once a week or less, eliminating the anxiety of running out of power mid-session.
Warranty
Ekrin backs the B37S with a lifetime warranty, the best in the massage gun industry. This signals confidence in build quality and provides long-term peace of mind.
Who Should Buy This
Value-conscious buyers who want professional-grade percussion without paying premium brand prices.
Alternatives to Ekrin Athletics B37S
Frequently Asked Questions
The Theragun Prime has higher amplitude (16mm vs 12mm) and Bluetooth app connectivity. The Ekrin B37S offers longer battery life (8 hours vs 2.5), higher stall force (56 lbs vs 40 lbs), more attachments (6 vs 4), a lifetime warranty, and a lower price ($229 vs $329).
Yes, Ekrin offers a lifetime warranty covering manufacturing defects and motor failure for the original purchaser. This is the best warranty in the massage gun industry.
Written by
Jason Park is a certified personal trainer turned tech analyst with 7 years of experience testing fitness trackers, smart scales, and recovery devices. He evaluates products through real-world training scenarios, comparing manufacturer claims against actual performance data from controlled testing environments.
Co-written by
Dr. Rachel Torres holds a Ph.D. in Biomedical Engineering and has spent 9 years evaluating consumer health technology. She specializes in wearable biosensors, clinical accuracy validation, and the intersection of medical-grade monitoring and consumer wellness devices. Her reviews combine clinical research methodology with practical consumer guidance.
Final Verdict
Ekrin Athletics B37S scores 8.5/10
With a score of 8.5 out of 10, Ekrin Athletics B37S is a strong performer that delivers great value. It’s particularly well-suited for Value-conscious users wanting pro-grade percussion with industry-best battery and warranty.