Trojan Lithium Batteries

Powered by over 100 years of innovation, the all-new Trojan® OnePack 48V Lithium Battery delivers extended range, zero maintenance, and unstoppable performance in a single drop-in pack. Backed by a 10-year warranty, it’s the most advanced battery Trojan has ever built—so you can go farther, charge faster, and drive with confidence.

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Why Choose Trojan Lithium?

Trojan stands alone as the only lithium battery brand offering:

  • A true 105Ah capacity—no exaggerated claims
  • Complete UL certification for the entire battery, not just individual cells
  • A full 10-year warranty backed by real support
  • Rugged, industrial-grade materials and advanced 6th-gen battery management system
  • Proudly engineered, built, and tested in the USA

Trojan doesn’t follow the industry—we set the pace. No shortcuts. No compromises.

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Discover the OnePack Lineup

Trojan’s latest 48V OnePack lithium series is built to go farther, charge quicker, and deliver more power—all from a single, easy-to-install battery. Every model is backed by a 10-year warranty and crafted with safety, simplicity, and long-term performance in mind.


Explore the lineup below:

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OnePack HP

High Performance 48V 171Ah

Red Trojan Lithium OnePack battery with handle and Bluetooth label.

OnePack XR

Extended Range 48V 171Ah

Red Trojan Lithium OnePACK battery pack.

OnePack 48V

105Ah Standard Pack

Engineered with rugged LiFePO₄ technology and built to exceed automotive-grade safety and vibration standards, Trojan OnePack batteries set the benchmark for reliability and strength.

How Trojan Lithium Leaves the Rest Behind

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Built-In Safety You Can Trust

Trojan’s LiFePO₄ chemistry is backed by four layers of safety redundancy, five internal temperature sensors, and an intelligent battery management system that protects itself in real time.

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Man in a factory wearing safety glasses, checking a computer; Trojan Lithium logo visible.
Black shield icon with a white check mark.

Built-In Safety You Can Trust

Trojan’s LiFePO₄ chemistry is backed by four layers of safety redundancy, five internal temperature sensors, and an intelligent battery management system that protects itself in real time.

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Twice the Life, Zero the Hassle

Designed to outlast and outperform, Trojan lithium batteries deliver up to 10 years of reliable power—lasting two to three times longer than traditional flooded lead-acid options.

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Engineered for Real-World Toughness

From rough terrain to heavy use, Trojan lithium batteries are tested to meet SAE automotive-grade durability and vibration standards—so you can expect dependable performance, mile after mile.

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Red ATV splashing through mud.
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Engineered for Real-World Toughness

From rough terrain to heavy use, Trojan lithium batteries are tested to meet SAE automotive-grade durability and vibration standards—so you can expect dependable performance, mile after mile.

More Reasons to Go Lithium

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Hassle-Free & Clean

No watering, acid, corrosion, or fumes—just clean, maintenance-free performance that keeps your battery ready without the mess.

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Built for the Tough Stuff

Tested to SAE automotive standards for rugged durability, withstanding vibration, shock, and rough terrain without breaking a sweat.

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Quick & Convenient Charging

Fully charges in under 4 hours, and opportunity charging lets you top off whenever it’s convenient—without reducing battery life.

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Smart System Integration

Features built-in CAN Bus communication for advanced diagnostics, real-time monitoring, and easy system integration when needed.

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All-in-One Simplicity

No complex wiring or multi-battery setups—just one powerful, compact unit that installs easily and delivers consistent, long-lasting performance.

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Lightweight Advantage

Weighs significantly less than traditional lead-acid batteries, helping reduce wear, improve handling, and increase acceleration.

Get the Details, Specs, and More

Want to dive deeper into Trojan’s lithium technology? Download the brochures below for full specifications, performance data, and key features for each battery model. Whether you're comparing options or planning an upgrade, these guides have everything you need.

Answers to Common Questions

Got questions about Trojan lithium batteries? We’ve gathered the most important info to help you understand how they work, what makes them different, and how to get the most out of your investment. If you need more details, feel free to reach out or explore Trojan’s full FAQ library.

  • What chemistry does the OnePack use?

    Trojan OnePack batteries are built with Lithium Iron Phosphate (LiFePO₄) chemistry—known for its long life, thermal stability, and built-in safety advantages.

  • How long will a OnePack battery last?

    The OnePack is designed to last 10 years or more, delivering thousands of cycles with consistent performance. It’s backed by a full 10-year warranty for long-term peace of mind.

  • Can I install a OnePack in place of my lead-acid batteries?

    Yes—OnePack is a drop-in 48V replacement that eliminates the need for multiple connected batteries. It’s compact, easy to install, and works with most 48V golf carts.

  • Is it safe to charge in hot or cold weather?

    OnePack’s advanced Battery Management System (BMS) includes built-in temperature sensors and protections. Charging is limited outside of safe ranges to prevent damage, especially below 32°F or above 113°F.

  • How long does it take to charge a OnePack?

    The OnePack charges in under 4 hours using a compatible lithium charger. It also supports opportunity charging, so you can top it off during short breaks without reducing battery life.

  • Does the OnePack require any maintenance?

    Not at all. The OnePack is completely maintenance-free—no watering, no acid, no corrosion. Just charge it and go. It’s designed for reliable, worry-free operation.