Portugal Residential Energy Storage Case Study | GSL ENERGY 20kWh Wall-Mounted Battery

GSL ENERGY's new 51.2V 200Ah 10.24kWh wall-mounted battery has been successfully installed and is now operational in Portugal. The system not only meets the household's daily electricity needs but also enhances energy independence and electricity safety for users through critical load backup power and peak-valley electricity price optimization.

Project Overview

Project Location: Portugal (Residential Setting)

Commissioning Date: August 2025

Project Type: Residential Energy Storage (Grid-Connected/Off-Grid/Backup Power)

System Configuration

Battery Model: GSL ENERGY Wall-Mounted Lithium Iron Phosphate Battery

Specifications: 51.2V 200Ah 10.24kWh

Quantity: 2 units (supports up to 16 units in parallel, with future scalability)

Inverter: Deye Hybrid Inverter (highly compatible with GSL battery protocol)

Total Energy Storage Capacity: 20.48 kWh

Discharge Capacity: Approximately 18.4 kWh (at 90% DOD)

Cycle Life: Over 6,500 cycles

Warranty Period: 10 years

Communication and Monitoring: Supports Wi-Fi remote monitoring, local/cloud dual-view management

Application objectives

Solar self-consumption: Charge batteries during the day using photovoltaic panels to maximize the use of green energy.

Peak shaving and valley filling: Discharge during evening peak hours to reduce electricity costs and improve electricity bill controllability.

Critical load protection: Ensure uninterrupted operation of important equipment such as refrigerators, lighting, and networks during power outages.

Energy independence: Enhance residential energy autonomy and reduce dependence on the grid.

GSL ENERGY provides sustainable energy storage solutions for households and businesses worldwide.

GSL ENERGY is committed to creating safe, efficient, and sustainable energy storage systems for global customers. The implementation of this project in Portugal not only enhances energy independence for residential users but also reaffirms GSL ENERGY's technical capabilities and service excellence in the European market. Moving forward, we will continue to drive innovation and quality to help more households and businesses transition toward a green and low-carbon energy future.