Already have solar?
Already have solar? We can add a battery or fix your inverter
Even if another company fitted it
Short answer
Yes — we work on solar systems other firms fitted. We can add a battery, or replace an inverter that has stopped working.
What do you need?
- Add a battery to my solar Use your own solar in the evening. Battery only from £1,990 fitted, 0% VAT. ›
- My inverter has stopped working No lights, an error code, or the app shows nothing? We replace it — fixed price after a quick check. ›
- I have a GivEnergy system GivEnergy went into administration in April 2026 and warranty support has gone. Your battery should keep working — and if a part fails, we can replace it. ›
- My installer has gone out of business We'll look after it from here — and the work we do comes with our own workmanship warranty. ›
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MCS-certified installer · Cert. no. NAP/79987/26/1
Quick answers
Can you add a battery to any solar system?
Almost always. If your inverter can't take a battery, we fit a battery that comes with its own.
Is there VAT on adding a battery?
No — a fitted battery is 0% VAT until 31 March 2027, even when it's added to solar you already have.
Get started
Tell us what you've got.
A photo of your inverter and battery is enough to start — we'll call you back within 30 minutes.
0% VAT on solar & battery until March 2027