







🔋 Power your essentials with confidence—never miss a beat!
This 10-pack of 364 SR621SW silver oxide watch batteries delivers a stable 1.55V output with high energy density, ensuring long-lasting and leak-proof power for a wide range of small electronics. Certified by CE and ROHS, these batteries maintain 90% capacity after 3 years of storage, making them a reliable choice for professionals who demand consistent performance and safety.






Trustpilot
2 weeks ago
5 days ago