Solar Batteries & Home Energy Storage Systems

Store your power with confidence using high-capacity solar battery storage systems. Our selection includes lithium-ion, LFP, and modular battery units built for integration with Enphase and other hybrid setups. These batteries provide whole-home backup, peak shaving, and energy independence—day or night. Whether you're expanding storage or building new, trust our high-efficiency batteries to deliver safe, long-lasting power when you need it most.
Solar Batteries & Home Energy Storage Systems
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Solar Batteries & Home Energy Storage Systems

Power your home day and night with high-performance EG4 LiFePO₄ solar batteries, engineered for maximum safety, longevity, and efficiency. Designed for modern energy storage, EG4 batteries deliver stable power, fast charging, and deep-cycle durability that outperforms traditional lead-acid and lithium-ion options. Whether you’re expanding an existing solar setup or building a full off-grid system, GRN Solar Supply has the battery solution that fits your energy goals.

Reliable Power You Can Trust

Built with advanced LiFePO₄ (lithium iron phosphate) chemistry, EG4 batteries provide over 6,000+ charge cycles with consistent output and minimal degradation. Their modular rack-mount design allows easy expansion, giving homeowners and professionals flexibility to scale storage capacity as energy demands grow. Each battery includes an integrated Battery Management System (BMS) that ensures optimal temperature, voltage, and safety across every cell.

Off-Grid and Hybrid Compatibility

EG4 batteries pair seamlessly with hybrid inverters such as Sol-Ark and EG4’s own models, supporting grid-tie, hybrid, and off-grid configurations. With 48V architecture and industry-standard communication protocols, they’re ideal for residential, cabin, and light commercial solar systems. Enjoy real-time monitoring, efficient charge control, and dependable backup power during outages.

Key Benefits

  • Up to 15-year design life with 6,000+ deep cycles
  • High discharge rates for heavy loads and backup use
  • Safe, stable, non-toxic LiFePO₄ chemistry
  • Modular and expandable from 5kWh to 30kWh+
  • Compatible with most major hybrid inverters

Why Choose GRN Solar Supply

We offer genuine EG4 energy storage products with expert support and fast nationwide delivery. Every battery we sell is vetted for reliability and ready to integrate into your solar system—whether you’re powering a single home or a complete off-grid property.

Store Solar Power Smarter

Upgrade to EG4 LiFePO₄ batteries and experience the future of clean, dependable energy storage. Order today and keep your lights on—no matter what the grid is doing.
Which type of solar battery is best?

Lithium Iron Phosphate (LiFePO4) batteries are the safest and longest-lasting for home solar storage.
How long do solar batteries last?

Up to 15 years or 6,000+ cycles depending on depth of discharge and maintenance.
Can I add more batteries later?

Yes — our modular systems let you expand storage as your energy needs grow.
Are solar batteries safe indoors?

LiFePO4 chemistry is thermally stable and safe for indoor installation when properly ventilated.
What size battery do I need?

A 10–15 kWh battery is common for most homes using 20–30 kWh/day.