HF Max

12, 24, 48, 130 Vdc iPMs. 2, 4 and 8-slot chassis

For over 30 years, Lester Electrical has been a principal supplier of wayside battery chargers to the rail industry. We understand that delivering purpose-built battery chargers with leading reliability and best-in-class features is of the utmost importance in this mission-critical, demanding application. In partnership with National Railway Supply (NRS), our exclusive partner for the rail industry in North America, the HF-MAX battery charger platform is trusted by leading Class I, freight, transit, passenger, and short-line railroads, as well as light rail, high-speed rail, and subways.

Product DocumentationProduct Support

Product Features

Modular Redundant Platform

Modular Redundant Platform

Multiple iPMs in a single chassis provide redundancy (N+1, N+2, etc) and will continue to operate if the User Interface Module (UIM) fails for high availability/uptime application.

Hot Swappable

Hot Swappable

Mitigate time at work site with individual iPMs that can be removed and replaced while remaining iPMs are in use.

Best In Class Efficiency

Best In Class Efficiency

Compliant with the California Energy Commission (CEC) standards.

Proprietary Charging Algorithm

Proprietary Charging Algorithm

Industry leading charging performance and intelligence. Our proprietary charge algorithm ensures a precisely charged battery every time.

Natural Convection Cooled

Natural Convection Cooled

Lester Electrical chargers are all natural convection cooled (use no fans) ensuring the top performance and protection from environmental hazards.

Alarming and Logging

Alarming and Logging

Alarms can be individually enabled/disabled, assigned a delay, assigned a priority, and assigned to the summary alarm relay. History of 10,000 records saved and downloadable as a CSV file.

Confirm Local Presence Button

Confirm Local Presence Button

Extreme network security is maintained by requiring activation of this on-site feature to make changes to charger.

Applications

High-tech meets the Heartland

In North America, contact National Railway Supply (NRS) for all of your railroad signaling, communications, and switch machine battery charging solutions. Outside of North America, contact Lester Electrical to discuss your wayside railway battery charging applications and needs.

Contact NRS

High-tech meets the Heartland

In North America, contact National Railway Supply (NRS) for all of your railroad signaling, communications, and switch machine battery charging solutions. Outside of North America, contact Lester Electrical to discuss your wayside railway battery charging applications and needs.

Contact NRS

Know that your batteries are charged and cared for.

Bluetooth Communication and Cloud connectivity give your customers the information they need quickly and conveniently.

  • ChargerConnect app is compatible with Apple and Android
  • Free and available in the App Store and Google Play
  • Connect to a charger in seconds
  • One click access to all available tools
  • See state of charge right on home screen
  • Easily find the right battery profile using Profile Selector
  • See charge cycle history records at your fingertips

Download the App

Google PlayApp Store

Product Documentation

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