Retrofit Battery Storage to Existing Solar Systems
Green Earth Sussex specializes in retrofitting battery storage systems to existing solar PV installations throughout Sussex. If you already have solar panels but no battery, adding storage allows you to use more of your own solar energy, reduce grid consumption, and gain backup power during outages. Battery retrofits are compatible with most existing solar systems, regardless of age or manufacturer.
We offer both AC-coupled and DC-coupled battery solutions, depending on your existing inverter and system configuration. Our expert team will assess your current setup, recommend the best battery option, and handle the complete installation with minimal disruption to your existing solar generation.
Also see our Battery Storage Systems page for new solar + battery installations, and our Solar PV Installers page for complete solar installations across Sussex.
Add Battery Storage
Retrofit battery systems to existing solar PV installations
AC & DC Coupling
Compatible with most existing solar inverters and systems
Maximize Savings
Store solar energy for use at night to reduce grid consumption
Backup Power
Add backup power capability to your existing solar system
System Integration
Seamless integration with your existing solar equipment
Smart Control
Monitor and control your battery via smartphone app
Get a Free Quote for Battery Retrofits
Request your free, no-obligation quote today. Our NAPIT approved electricians cover all of Sussex and the surrounding areas. We'll get back to you within 2 hours during business hours.
NAPIT Accredited
All work fully certified to BS 7671 standards
Fast Response
We respond within 2 hours during business hours
Transparent Pricing
Fixed-price quotes with no hidden fees
Fully Insured
All work guaranteed and comprehensively insured
Prefer to call or message?
Request Your Free Quote
We'll respond within 2 hours during business hours.
AC-Coupled Battery Retrofits
- Compatible with any existing solar inverter
- No changes required to existing solar system
- Tesla Powerwall and other AC-coupled batteries
- Backup power capability included
- Works with older solar installations
- Simple installation with minimal disruption
DC-Coupled Battery Retrofits
- Higher efficiency DC-coupled battery systems
- Hybrid inverter replacement for DC coupling
- GivEnergy, Solax, and other hybrid systems
- Reduced conversion losses for better performance
- Modular battery capacity expansion
- Advanced energy management features
System Assessment & Design
- Free assessment of existing solar system
- Inverter compatibility checks
- Battery sizing based on energy usage
- AC vs DC coupling recommendations
- ROI calculations and savings estimates
- Backup power requirements planning
Installation & Commissioning
- Professional battery installation by certified electricians
- Integration with existing solar system
- Backup power circuit configuration
- Smart monitoring system setup
- Full system testing and commissioning
- DNO notification and compliance certification
Why Choose Green Earth Sussex for Battery Retrofits?
Expert Integration
Seamless battery integration with any existing solar system
Leading Brands
Tesla, GivEnergy, Solax and other premium battery systems
Full Support
Comprehensive warranties and ongoing technical support
Related Renewable Energy Services
Explore our other renewable energy and EV services across Sussex.
Battery Retrofit Services Across Sussex
We provide battery retrofit installations across East and West Sussex. Select your area below for local information and a tailored quote.