Home battery storage
Store & save with a home battery
Add a battery to existing solar panels or get a standalone battery to power your home with low cost electricity.
Battery brands we're proud to work with
Tesla Powerwall 3
Tesla Powerwall 3 is an all-in-one battery with a built-in inverter (no separate inverter needed). It provides backup power during outages (Backup Gateway is an optional extra), has 13.5kWh storage and 11.5kW output, and can be expanded for higher energy use homes.
Sunsynk W-series
The Sunsynk W-series is a modular battery system you can expand (up to 32 units). It works in tough temperatures (down to -10°C charging / -20°C discharging), can be wall or floor mounted, and is safe for outdoor use.
How to get a battery quote from BOXT
Answer
Answer a few quick questions online. You don't need to give any contact details.
Recommend
We'll recommend suitable batteries and their cost based on your answers.
Choose
If you wish to proceed, choose your preferred battery and installation date - all online.
Why choose BOXT?
- MCS accredited
- TrustMark registered
- Finance options available
- Easy online journey
- Tesla premium installers
- Sunksynk master installers
Why choose BOXT?
- MCS accredited
- TrustMark registered
- Finance options available
- Easy online journey
- Tesla premium installers
- Sunksynk master installers
What's included with your battery installation?
- DNO done for you
- G98 / G99 done for you
- 2 year workmanship warranty
- 10 year product warranty
- Electrical testing and commissioning
- System commissioning and optimisation
What's included with your battery installation?
- DNO done for you
- G98 / G99 done for you
- 2 year workmanship warranty
- 10 year product warranty
- Electrical testing and commissioning
- System commissioning and optimisation
What happens during your battery installation?
Your kit and installer will arrive the morning of your booked installation.
Your installer will first prep the area for your installation
The battery can then be mounted on the wall or at floor level.
Once the battery is in place, the engineer will run the cables and wire everything up.
The installer will test and commission the battery, ensuring it's working smoothly.
You'll be shown how the system works and how to use the app.
Flexible payment options
Spread the cost with 0% finance available
Up to 36 months
Choose from a range of monthly payment options
9.9% APR, up to 120 months
Pay nothing up front with £0 deposit options
Pay monthly with no deposit
Need to speak to a battery expert?
Request a callback and one of our experts will be in touch
What do BOXT customers think?
I would highly recommend BOXT who use Sunsynk equipment which in my view is excellent kit.
Read review
Excellent service for Tesla battery installation From first contact BOXT were very clear on the service they could provide and the cost of this.
Read reviewNothing but happy with BOXT and my new solar panels and Tesla battery BOXT are so easy to deal with, and not pushy in any way at the start when quoting for the work which really impressed me.
Read reviewTesla Powerwall installed this week. Great customer service from planning through to the installation.
Read reviewUsed BOXT for boiler install. Based on this I used for my solar PV battery install as contractors they use are top notch in my experience.Cracking job very happy with whole process.
Read reviewBattery storage with or without solar panels
Standalone battery storage
Get a standalone battery to store energy during cheaper off-peak times, and use that energy during the day when usage rates are typically more expensive. Benefit from backup power with the Tesla Powerwall 3 during power cuts.
Solar battery storage
Adding battery storage to your existing solar panels will instantly start saving you money. You’ll be able to store all of the excess energy you’ve created and use it later in the day when you would normally have to pay for energy.
Battery benefits
Cheaper electricity bills
Store energy during off-peak cheaper rates, use it through the day when rates are typically higher
Energy independence
Become less dependent on the grid with your own stored source of energy
Power cut protection
With the Tesla Powerwall 3, power your home during outages with Gateway Backup
When the grid lets you down, your home battery won’t
Don’t let your life grind to a halt when you experience a power cut. With the Backup Gateway add-on for Tesla Powerwall installs**, you can become energy independent and keep living your life when the grid lets you down.
When the grid lets you down, your home battery won’t
Don’t let your life grind to a halt when you experience a power cut. With the Backup Gateway add-on for Tesla Powerwall installs**, you can become energy independent and keep living your life when the grid lets you down.
We’re a Tesla Premium installer.
We’re proud to have been awarded Tesla’s Premium Installer status, which is an accolade only held by around 1% of all installers. This badge is a reassurance that when you choose BOXT for your battery storage, you’re choosing an experienced company that’s going to deliver a top quality installation. Companies who receive this certification are selected specifically by Tesla to install their products, based on the quality of their installations and customer satisfaction - both factors that we pride ourselves on.
We’re a Tesla Premium installer.
We’re proud to have been awarded Tesla’s Premium Installer status, which is an accolade only held by around 1% of all installers. This badge is a reassurance that when you choose BOXT for your battery storage, you’re choosing an experienced company that’s going to deliver a top quality installation. Companies who receive this certification are selected specifically by Tesla to install their products, based on the quality of their installations and customer satisfaction - both factors that we pride ourselves on.
Home battery storage from BOXT
Tesla Powerwall 3
All-in-one power storage
The Tesla Powerwall 3 has an integrated inverter, offering space saving and increased energy efficiency without the need for a separate inverter.
Sunsynk Elite
Affordable battery storage
Featuring an integrated inverter to save space and eliminate the need for additional wiring and fixing screws.
Solar ready
Plug into the sun
Whether you’re adding a battery to your existing solar panels or considering adding panels later, all of our batteries will connect and work.
Why BOXT?
A brand you can trust
MCS accredited, with over 150,000 happy customers and an Excellent rating on Trustpilot.
Home battery storage FAQs
Useful guides
What our customers say
Ready to power up your home?
More ways to go green
*Terms & Conditions and eligibility criteria apply to the Tesla Powerwall 3 rebate offer. Click here to learn more.
**Tesla Backup Gateway is required for powercut protection and is a chargeable extra - please speak to one of our experts to add this to your order.