Lithium Battery Supply is an authorized Eco Battery reseller. Founded in 2019, Eco Battery is one of the fastest-growing lithium battery brands in North America built on a reputation for golf cart lithium conversions and now expanding into marine, RV, and AC powertrain applications. Every Eco Battery product sold through our store is genuine, ships from U.S. warehouses, and is backed by ECO Capital's manufacturer warranty. Our reseller credentials are on file with ECO Capital, Inc.

Eco Battery's Gen 3 lithium battery system is engineered to replace lead-acid batteries in golf carts and electric vehicles delivering more runtime, zero maintenance, and significantly less weight. Their Gen 3 lineup carries a lifetime limited warranty, one of the strongest coverage commitments available in the lithium battery industry. Major components including chargers, controllers, and motors are covered by a two-year limited warranty.

ECO BATTERY FEATURES

Eco Battery engineers their products with:

• Lifetime limited warranty on Gen 3 batteries (ECO Capital, Inc.)
• 2-year warranty on major components chargers, controllers, and motors
• Grade-A LiFePO4 cells with 4000+ cycle lifespan
• Drop-in lead-acid replacement for golf carts and electric vehicles
• Built-in Battery Management System (BMS) with overcharge, over-discharge, and short circuit protection
• Integrated heating module for cold-weather performance (select models)
• Bluetooth monitoring for real-time battery data
• Up to 3 batteries connectable in parallel for expanded capacity
• Compatible with golf cart, marine, RV, and AC powertrain applications

WHY ECO BATTERY?

Eco Battery started with a single mission: replace outdated lead-acid technology with safer, more efficient lithium solutions. That focus began with golf carts and it shows. Their Gen 3 platform is purpose-built for the high-cycle, high-demand environment of golf cart fleets and personal EV conversions, delivering consistent voltage from full charge to empty, zero watering or maintenance, and a lifespan that outlasts lead-acid batteries several times over. The same engineering discipline carries into their marine, RV, and AC powertrain products, all backed by a warranty built to last as long as the battery itself.

NEED HELP CHOOSING?

Our team can help you select the right Eco Battery system for your application whether you're converting a golf cart from lead-acid to lithium, upgrading a marine house bank, or building out an RV or AC powertrain system. Call us at +1 (786) 321-3526 or email sales@lithiumbatterysupply.com. Mon–Fri 9AM–6PM EST.

Shop Eco Battery products below. All batteries include ECO Capital's manufacturer warranty and ship free to the 48 contiguous United States. Returns accepted within 30 days, see our Return Policy for details.