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Big Battery 48V ETHOS 10.2KWH (2 Module)

Big Battery 48V ETHOS 10.2KWH (2 Module)

Regular price $4,239.99
Regular price Sale price $4,239.99
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Description

STACKABLE POWER STORAGE! BigBattery’s 48V ETHOS is here to revolutionize your home’s power. Our all new ETHOS battery system features a fully stackable and modular design, equipped with its own control box, in-depth LED display, and mounting system.
Whether you’re looking to ensure emergency backup power is available in your cabin or tiny home, or you’re looking to outfit your residential home with a powerful solar system, the ETHOS ensures reliable, efficient power delivery through every season. Equipped with an advanced BMS featuring an auto-cell balancing function, an IP65-rated casing, as well as an internal fire suppression system, the ETHOS ensures long-lasting safety and durability. Plus, with its interactive LED display and CANBus/RS485 communication protocols, you’re always able to monitor the health and status of your power.
The ETHOS is now available in 2-stack (10.24 kWh) and 3-stack (15.36 kWh) configurations, with the ability to expand upon your ETHOS system as needed. It’s time to take your home’s power to the next level! Shop the all-new 48V ETHOS today!
Included Components

2 × 48V ETHOS 5.12kWh Stackable Battery Module
1 × ETHOS Control Box
1 × 10kWh Ethos Controller to Battery Power Cable 31.5" inch (800mm)

Spec Sheet
User Manual

Shipping Policy

Orders ship within 1–5 business days. Shipping rates vary by order and destination. We ship across the U.S., with additional charges for Hawaii and Alaska. For damaged, lost, or delayed orders, please contact us for assistance.

Warranty Policy

Most products include a 12-month limited warranty covering manufacturer defects. Warranty terms may vary by product, especially lithium batteries and electrical components. Damage from improper installation, misuse, or normal wear is not covered.

Return Policy

Returns are accepted within 30 days of delivery for a full refund or exchange. Items must be new, unused, and undamaged, with the original order number provided. Customers are responsible for return shipping on unwanted or incorrectly ordered items. Lithium batteries must be unused and sealed to qualify for return. Damaged, defective, or incorrect orders should be reported immediately.

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Frequently Asked Questions

Find answers to the most common questions.

Most products are organized by cart brand and model, including Club Car, EZGO, and Yamaha. Always verify your cart's year and model before purchasing to ensure proper fitment.

Lithium batteries offer longer runtime, faster charging, reduced weight, and virtually no maintenance compared to traditional lead-acid batteries. They're one of the most popular upgrades for improving golf cart performance.

The correct voltage depends on your cart's electrical system. Common options include 24V, 36V, 48V, and 72V. Always replace your battery system with the voltage recommended for your specific cart model.

In many cases, yes. Most stock golf carts can accommodate certain 18"–20" tire sizes without a lift kit, but larger tires often require additional clearance. Fitment depends on your cart model and wheel setup.

Not always. Smaller wheel and tire upgrades may fit stock carts, but larger tire sizes generally require a lift kit to prevent rubbing and improve clearance.

Popular lift kit styles include A-Arm, Spindle, Drop Axle, and Block Lift Kits. Each offers different ride characteristics, tire clearance, and installation requirements.

Street Tires– Best for paved roads and neighborhoods.
Turf Tires– Ideal for golf courses and grass surfaces.
All-Terrain Tires– Designed for trails, gravel, and off-road use.

Choose based on where you drive most often.