PURPOSE-BUILT FOR RAIL POWER DEMANDS
Serrmi's proprietary lead acid battery line is selected and supplied for railroad signal, communication, and backup power applications where reliability, long service life, and predictable performance are critical to system readiness. With Ni-Cd options available, our battery solutions are designed to support standby power, consistent cycling, temperature resilience, and long duration field operation across rail environments. With multiple capacity options and applications across signal houses, solar backed systems, and field power infrastructure, Serrmi helps customers match the right battery technology to the operating requirements of each system
Lead Acid Products
Ni-Cd Products
Proven in the Field
7,000+ Installations Across North America
Serrmi supports Class I, regional, and short line railroads with battery solutions for signal and backup-power applications across North America. From cold-weather installations in Alaska to high-temperature conditions in Mexico, we help rail teams match the right battery technology to the operating conditions, service demands, and backup-power requirements of each project.
Class I, Regional & Short Line Railroads Support
Proven from Alaska’s extreme cold to high-temperature conditions in Mexico
Lead-acid operation from -40°F to 140°F
Ni-Cd operation from -4°F to 104°F
Long-Term Reliability
Up to 20 Years of Service Life
Serrmi batteries are built specifically for railroad signal applications, combining long-life construction with low-maintenance performance and stable charging behavior. Each battery is developed to reduce maintenance demands, support backup-power readiness, and perform consistently through years of field operation.
Up to 20-year design life
30% longer cycle life for deep-cycle batteries
Built for repeated charge and discharge
Float and trickle charging with minimal maintenance
Lead Acid Batteries
Serrmi’s lead acid batteries provide dependable power for rail signal and communication systems. Available in 250, 300, 400, 500, and 800 amp-hour configurations, these batteries give customers a range of capacity options for project-specific requirements and long-term field performance.
Nickel-Cadmium Batteries
Available options include KGL and KGM batteries for rail applications giving customers durable battery options for critical systems exposed to demanding conditions.
Built for Harsh Rail Environments
Battery systems used in rail applications need to perform through heat, cold, outages, and long service cycles. GAZ® Ni-Cd batteries are designed for temperatures ranging from -40ºC to +50ºC, with a robust pocket-plate design and service life exceeding 20 years.
Proven Rail Power Support
Serrmi’s battery solutions are supported by proven cell technology used in mission-critical environments and thousands of rail installations. With experience supporting signal power, backup power, and solar-backed systems, Serrmi helps customers plan around reliability, fulfillment needs, and long-term operating performance.