The North American Board of Certified Energy Practitioners® (NABCEP®) is the most respected, well-established and widely recognized national certification organization for professionals in the field of renewable energy. NABCEP offers certifications and credentials for skilled professionals, specialists and those new […]
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The 2026 American Short Line and Regional Railroad Association annual Conference & Exhibition will be held April 12-14th at the Minneapolis Convention Center in Minneapolis, MN. The ASLRRA Annual Conference & Exhibition is the premier gathering for the short line […]
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Mexico has set itself the goal of achieving 45% renewable energy generation by 2030. The country has extraordinary potential in solar and wind energy, so meeting this goal will require the commitment and collaboration of the entire industry. RE+ MEXICO […]
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The AREMA 2026 Annual Conference & Expo will take place at Kansas City Convention Centre in Kansas City, MO Sept. 13-16, 2026. The conference is hosted by the American Railway Engineering and Maintenance-of-Way Association (AREMA). Booth: 606
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Electricity Transformation Canada will bring together energy professionals from converging sectors — wind energy, solar energy, and energy storage — to network, collaborate and grow their businesses. Join us October 19-21, Enercare Centre, Toronto, Ontario Booth: 725
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UL 9540–listed DC BESS, including Rolls new S48-100LFP STACK-LV, may now be paired with any CSA C22.2 No. 107.1/UL 1741 certified inverters, improving flexibility and project efficiency while meeting safety standards—learn more.
Introducing the latest LiFePO4 lithium option from Rolls!
Designed for 48-volt system integration, the S48-100LFP STACK-LV
51.2V 100Ah LFP ESS battery offers up to 40kWh energy storage (8 modules) in a convenient stackable format. This new model features long-lasting 100Ah prismatic LiFePO4 cells, an onboard display with status indication, dual M8 threaded terminals and included busbars for easy connection, RS485 & CAN inverter connectivity, PC management software, Bluetooth connection & Rolls LFP Connect App, built-in BMS with a full suite of operating protections, as well as BMS switch, relay & side-mounted breaker protection for added safety.
UL 9540, UL 9540A & UL 1973 certified.
See the full specs here.
January 2025: Rolls 32-volt Railroad & Diesel Starter flooded lead-acid batteries now have revised model numbers. See the Batteries page for full product specifications.
Established in 1935, Surrette Battery Company Ltd. is proud to be one of North America’s leading lead-acid battery producers and Canada’s only remaining independent battery manufacturer. Since 1959, the company has been located in Springhill, Nova Scotia, where we produce a wide range of Rolls-branded premium deep cycle batteries for use in Renewable Energy, Marine, Motive Power and Railroad applications. Rolls flooded and sealed AGM & GEL VRLA products are internationally recognized for their dependability, cycle life and outstanding quality.
Rolls Batteries are sold exclusively via our valued distributors & battery dealers. As a longstanding manufacturer, Surrette Battery Company has been successful in negotiating and establishing key partnerships with leading battery distributors and dealers throughout North America and around the World. Due to product specifications and weight, these agreements and the ability to ship and warehouse in large volumes have allowed us to improve lead times and minimize the associated freight costs, improving access and delivery to product for dealers and their customers.
Surrette Battery Company Ltd. manufacturing plant is an ISO registered facility where safety is as important as product quality. Meeting the needs of our distributors who serve growing Renewable Energy and Motive Power markets around the globe, we’ve completed numerous expansions and upgrades in recent years and continue to advance our manufacturing facility and processes to meet demand.
We take pride in our reputation as industry leaders in providing high quality, dependable products and see customer satisfaction and support as the key to future success. Rigorous inspection and testing ensure that each battery will deliver the performance our customers have come to expect of the Rolls brand.
Rolls Battery Engineering is proud to support sustainable energy innovation in one of the most remote places on Earth: Port Lockroy, operated by the UK Antarctic Heritage Trust. This season marked a significant milestone in the site’s renewable energy journey […]
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Debre Birhan, Ethiopia is home to Wogagen School, a community-built campus providing innovative STEM education to local students. Known as “First Light” School, it serves 280 students from grades 1–12 and aims to expand to over 1,000 children while benefiting […]
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Haiti – often called the “Pearl of the Antilles” is a nation defined by its strength, resilience, and enduring spirit. Yet its geography makes it one of the most disaster-prone countries in the Caribbean, facing frequent hurricanes, floods, and earthquakes. […]
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