Trojan Battery Company

Trojan Battery Company is a US-based battery manufacturer that has specialised for a century in deep-cycle energy storage — the kind of battery designed to be discharged deeply and recharged repeatedly, rather than the short-burst cranking batteries used to start engines. Founded in 1925 in California, the company built its reputation on flooded lead-acid batteries for golf cars and industrial electric vehicles, and it remains one of the best-known names in that niche, with a product line that spans golf and utility vehicles, floor-cleaning machines, aerial work platforms, marine and RV applications, and off-grid renewable-energy storage. Trojan's brand identity is tightly tied to durability and cycle life. Its signature products include the T-105, a 6-volt flooded lead-acid battery that became a de facto standard in golf cars and small electric vehicles, along with absorbed glass mat (AGM), gel and maintenance-free lines, and more recently lithium-ion products under the Trojan brand for applications where lighter weight and longer life matter. The company sells through a global distributor and dealer network rather than direct to consumers, and it markets itself as a premium, long-life alternative in the deep-cycle segment. For most of its history Trojan was an independent, family-influenced private company headquartered in Santa Fe Springs, California. In 2018 the company was acquired by Reliance Steel & Aluminum Co. (now Reliance, Inc.), a large US metals distributor listed on the New York Stock Exchange, which brought Trojan into a much larger industrial group while keeping the battery brand intact. Trojan continues to operate as a branded manufacturer within that group, with manufacturing in the United States and sales organisations serving customers internationally. The brand's positioning rests on reliability in punishing duty cycles: fleet operators, rental yards, cleaning contractors and renewable-energy installers choose Trojan because the batteries are engineered for repeated deep discharge. That focus has made Trojan a reference brand in golf-car and industrial battery circles, and the company has extended the name into chargers, battery watering systems and related accessories so that it offers a complete power package rather than cells alone.

Trojan Battery Company was founded in 1925 in California, at a time when battery-powered vehicles and industrial electric equipment were becoming common in American factories, warehouses and golf courses. The company concentrated on deep-cycle lead-acid batteries — products engineered to deliver steady current over long discharge periods and to survive hundreds or thousands of recharge cycles — rather than the thin-plate starting batteries used in automobiles. That choice defined the brand. Through the mid-20th century Trojan grew with the golf-car industry, which expanded rapidly after the Second World War as courses and resorts adopted electric carts. The company's 6-volt golf-car batteries, above all the T-105, became widely used reference products, and Trojan built a distribution model based on authorised distributors and dealers who serviced fleets and installed replacement batteries. The same battery architecture was adapted to other deep-cycle duties: floor-scrubbing machines, aerial work platforms, electric utility vehicles, marine and RV house banks, and off-grid solar systems. Trojan remained a privately held, California-based manufacturer for decades, with its headquarters and plant in Santa Fe Springs in Los Angeles County. It invested in absorbed glass mat and gel technologies to offer maintenance-free alternatives to flooded batteries, and it developed accessories such as chargers and single-point watering systems that made flooded-battery fleets easier to maintain. A major turning point came in 2018, when Reliance Steel & Aluminum Co. — a large US metals service centre company listed on the New York Stock Exchange — acquired Trojan Battery. The deal placed the battery brand inside a much larger industrial group with substantial metals and distribution capabilities, while Trojan continued to operate as a branded battery manufacturer. In the years that followed, the company extended its range into lithium-ion products, responding to demand from customers who wanted lighter batteries, longer life and less maintenance in golf cars, industrial equipment and storage applications. Today Trojan markets itself as a global deep-cycle battery brand, with manufacturing in the United States and a network of distributors and dealers serving customers in North America and internationally. Its product families cover flooded, AGM, gel and lithium-ion chemistries, together with chargers and maintenance accessories, and the brand remains closely associated with golf cars, industrial cleaning equipment and renewable-energy storage.

• 2020

  Trojan expands its lithium-ion battery range for golf cars, industrial equipment and storage.

• 2018

  Reliance Steel & Aluminum Co. acquires Trojan Battery Company.

• 1950

  Post-war golf-car boom drives demand for Trojan's 6-volt golf-car batteries, including the T-105.

• 1925

  Trojan Battery Company founded in California as a deep-cycle battery manufacturer.

Premium, long-life deep-cycle batteries for golf cars, industrial electric vehicles and renewable-energy storage, sold through a global distributor and dealer network.

• T-105 6-volt flooded deep-cycle battery

• Trojan Reliant AGM batteries

• Trojan Trillium lithium-ion batteries

• Industrial floor-machine battery packs

• Renewable-energy storage batteries

• Battery chargers and watering systems

• 2020

  California files Exide cleanup cost-recovery lawsuit against former operators and waste companies

  California filed a lawsuit alleging that three companies or their corporate successors that formerly owned or operated the Exide Technologies battery recycling plant, and seven companies or successors that sent hazardous waste there or arranged for its treatment or disposal, are liable for cleaning up pollution under federal Superfund law. The state seeks to recover more than $136 million already spent on cleanup, plus future cleanup costs. The suit names NL Industries, JX Nippon Mining & Metals, Gould Electronics, Kinsbursky Bros., Trojan Battery Co., Ramcar Batteries, Clarios, Quemetco, International Metals Ekco and Blount.

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• Unconfirmed

  Reported2026.08.21

  Stryten Energy to acquire C&D Trojan[4]Stryten Energy 宣布收购 C&D Trojanevertiq.com

  US-based Stryten Energy LLC announced a definitive agreement to acquire C&D Technologies, Inc. and Trojan Battery Company, LLC (C&D Trojan), creating a scaled battery manufacturing platform. The transaction is expected to close in the third quarter of 2026, subject to customary closing conditions and regulatory approvals; terms were not disclosed.

• 2020.12.14

  Reported2020.12.19

  California files Exide cleanup cost-recovery lawsuit against former operators and waste companies[3]California files Exide cleanup cost-recovery lawsuit against former operators and waste companieslatimes.com

  California filed a lawsuit alleging that three companies or their corporate successors that formerly owned or operated the Exide Technologies battery recycling plant, and seven companies or successors that sent hazardous waste there or arranged for its treatment or disposal, are liable for cleaning up pollution under federal Superfund law. The state seeks to recover more than $136 million already spent on cleanup, plus future cleanup costs. The suit names NL Industries, JX Nippon Mining & Metals, Gould Electronics, Kinsbursky Bros., Trojan Battery Co., Ramcar Batteries, Clarios, Quemetco, International Metals Ekco and Blount.

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1. 1Trojan Battery Company official websitetrojanbattery.com
2. 2Reliance, Inc. official websitereliance.com
3. 3California files Exide cleanup cost-recovery lawsuit against former operators and waste companieslatimes.com
4. 4Stryten Energy 宣布收购 C&D Trojanevertiq.com