BatteryGuy equivalent replacement for Sonnenschein M400 — High Rate (qty of 4)

Pack of four BatteryGuy brand equivalent replacement batteries for the Sonnenschein M400. These High Rate units are intended as direct replacements, engineered to match the performance characteristics of the Sonnenschein M400. Sold as a qty of 4, this set provides high-discharge capability suitable for applications that require rapid power delivery and reliable backup performance. Ideal when you need a cost-effective, direct substitute for Sonnenschein M400 batteries.