Background

A family in Barcelona, Spain, wanted to upgrade their home energy system with a reliable storage solution that could save electricity costs, maximize their solar energy usage, and provide backup during grid outages. Due to space limitations in their garage, they required a compact, wall-mounted solution that would not compromise household living space.

The Challenge

The customer had three major concerns:

• Limited installation space inside the home.

• Desire for safe and long-lasting storage technology.

• Need for easy integration with their existing 5 kW rooftop solar system.

Traditional floor-standing batteries were too bulky, while lead-acid batteries lacked efficiency and lifespan.

The Solution

We supplied a 51.2V 200Ah Wall-Mounted LiFePO₄ Battery Pack, with the following features:

• Usable Capacity: 10.24 kWh.

• Design: Slim, wall-mounted design suitable for indoor or garage installation.

• Battery Chemistry: LiFePO₄ for safety, thermal stability, and long cycle life.

• Cycle Life: Over 6,000 cycles at 80% depth of discharge.

• BMS Protection: Built-in Battery Management System for over-voltage, over-current, short-circuit, and temperature protection.

The system was paired with the homeowner’s existing hybrid inverter, allowing smooth charging from rooftop solar panels and discharging for household loads at night.

Results & Benefits

1.Space-Saving: The wall-mounted design freed up floor space, making installation possible even in small garages.

2.Increased Solar Utilization: Over 70% of daytime solar energy was stored and consumed at night, reducing grid electricity use.

3.Backup Power: Provided up to 10 hours of backup during blackouts, keeping essential appliances running.

4.Long-Term Sustainability: Expected to last 10+ years, with minimal maintenance.

Customer Feedback

“The wall-mounted battery is exactly what we needed—safe, reliable, and compact. We barely notice it’s there, but it makes a big difference in lowering our bills and giving us energy security"