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Product Summary: BigBattery’s 48V ETHOS 20.48kWh system delivers scalable, wall-mounted off-grid and backup power for tiny homes, cabins, and homesteads, pairing an IP65 LiFePO₄ battery stack with advanced safety features and a 12000W EG4 12000XP split-phase inverter for robust performance and utility savings. BigBattery batteries are backed by a 12-year warranty, giving you reliable long-term performance and confidence in every charge. Designed for durability and engineered to last, our batteries are built to power your setup for over a decade.
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🇺🇸 Ship from USA · On Agora since 2026
$5,929.99