Solar & batteries

    Save
    £300+ a year
    on your billswith plug-in solar and a battery.

    See in 30 seconds how much plug-in solar and a battery could cut from your electricity bill.

    Estimate for a typical UK home shifting peak electricity on off-peak rates.

    Fox Mini Qube battery stack and plug-in solar kit on a charcoal studio background

    10 yr

    Warranty on selected batteries

    £0

    Plug-in setup — no electrician needed to plug in

    Your day, with a battery

    Charge cheap overnight. Skip the peak.

    The battery fills on off-peak rates, then supplies the modelled load through 16:00–19:00. Use selected appliances directly, or choose a qualifying installed system for household circuits.

    £300 saved a year

    £1.95 → £1.04 a day

    Illustrative 2,700 kWh/year Economy 7 home with a 6.33 kWh battery, allowing for charging losses and about 330 useful cycles a year. Your result depends on tariff, losses and how much suitable appliance or installed load can be shifted.

    00:0006:0012:0018:0024:00
    Charging off-peak Running on battery Grid

    Plug-in vs electrician-installed.

    Traditional solar and batteries need an installer and a day of work. Plug-in versions remove that cost entirely.

    What we sell

    Plug-in solar kit

    InstallationMount on a balcony, wall or garden and plug into a socket.
    Typical total costFrom £599 for an 800W kit
    Max outputUp to 800W into your home
    DisruptionNo scaffolding, no roof work. Take it with you if you move.

    Roof-mounted solar

    InstallationAccredited installer, roof work and inverter wiring
    Typical total cost£5,000–£8,000+ for a typical 3–4kW system
    Max output3kW–4kW+ at peak
    DisruptionScaffolding, roof access and usually a full day or more of work

    A plug-in solar kit covers daytime background use such as your fridge, router and chargers, for a fraction of the cost of a roof system.

    Plug-in solar explained →

    Common questions.

    Safety, legality, delivery, installation and the battery itself.

    Contact us →

    Yes. Compliant solar-only plug-in kits up to 800 W can be used in Great Britain under the 2026 rules. Follow the kit instructions and complete the required Distribution Network Operator notification.

    Questions? Talk to us.

    A real person, usually within one working day.

    Battery Expert

    Typically replies instantly

    Hi! 👋 I'm the Plug-In Solar assistant. I can help you choose the right plug-in home battery, answer questions about installation, pricing, or savings. What would you like to know?