High-Performance M7840S3/LIR7840 3.7V Medical Battery – Precision Power for Critical Devices
Engineered for reliability, the M7840S3/LIR7840 delivers a stable 3.7V output with a robust 17.5~19.5mAh capacity, ensuring extended runtime for hearing aids and sensitive medical equipment. Featuring ultra-safe lithium-ion chemistry and a compact, leak-proof design, this battery is built to meet stringent medical-grade standards. The gold-plated contacts minimize resistance for consistent energy flow. Ideal for high-drain devices like digital hearing aids, glucose monitors, and portable diagnostic tools. Bulk pricing available – wholesale discounts for clinics, distributors, and OEMs. Global stock. Factory-direct pricing. Custom bulk packaging options.