Hanchu ESS 5kWh Battery & Inverter
10-Year Warranty
5kWh battery storage
LiFePO4 technology for safety
Smart monitoring and tracking
Estimate (inc. VAT)
£3,245
or, monthly from
£68
Cut your electricity bills without solar panels.
Get a quote in seconds,
no solar needed.
Which? Trusted Trader
for 2 years running
Which? Trusted Trader
for 2 years running
Working with the best
Recognised by the biggest names in home services.
How does that even work?
Charge overnight. Use stored energy during the day.
Choose your battery storage setup
Compare trusted battery options for your home, whether you're starting with battery storage now or planning to add solar later.
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Sigenergy 9kWh Storage & Inverter
10-Year Warranty
9kWh battery storage
LiFePO4 technology for safety
Smart monitoring and tracking
Estimate (inc. VAT)
£5,795
or, monthly from
£121
Tesla Powerwall 3 13.5kWh Battery & Inverter
10-Year Warranty
13.5kWh battery storage
LiFePO4 technology for safety
Smart monitoring and tracking
Estimate (inc. VAT)
£7,945
or, monthly from
£166
No roof work
Battery systems are installed outside or in an outbuilding.
No scaffolding
Installation is usually much simpler than solar panel systems.
Fast installation
Most systems can be installed quickly with minimal disruption.
Is battery storage right for you?
Whether you're starting with battery storage alone or planning to add solar later, there’s a setup that fits your home.
Battery only
Start saving without solar panels.
Battery + solar later
Expand your system whenever you're ready.
That price difference adds up fast
Those lower rates can make a huge difference.
~13.16p/kWh
Cheaper overnight rates
~26.11p/kWh
Higher daytime rates
That’s where the savings come from.
Rates are pulled from Octopus Energy or EDF Energy, depending on the cheapest available comparison, and refreshed every 24 hours.
Getting started is simple
1
Get a quote
Answer a few quick questions about your home and electricity usage.
2
We design your system
We recommend the best setup for your home and energy usage.
3
Fast installation
Our engineers install your system quickly and with minimal disruption.
Trusted battery storage brands
We use proven components from leading solar and battery brands.
Flexible Ways to Pay
0% Interest-Free Credit
Spread the cost without extra fees
Buy Now, Pay Later
Nothing to pay for 12 months
Low Monthly Payments
Small installments for up to 10 years
Peace of Mind Guaranteed
We're committed to providing you with the highest standards of service, backed by industry-leading certifications and thousands of satisfied customers.
Which? Trusted Trader
Independently endorsed for exceptional quality and trustworthy service.
5★ Trustpilot Rated
Over 11,000 verified 5-star reviews from real customers across the UK.
FCA Authorised
Approved credit broker offering secure, transparent finance options.
Gas Safe Engineers
Fully qualified and legally certified for safe boiler installations.
Thousands of happy customers
Watch real stories from homeowners across the UK
who upgraded with iHeat.
Amazing communication - clear and consistent comms throughout the process.
Rosie
Amazing from start to finish - Alex covered all my carpets to make sure there was no spillage.
Denise
Great experience with iHeat - customer service was excellent and very responsive.
Staylor
Great service from website to installation - helped choose the correct product.
Lynton
Replacement costs below average - new boiler was fitted and running within less than 2 days.
David
Fantastic from start to finish - online ordering was straightforward and quick.
Gareth
Booked install just two days ahead - right before Christmas! Installation was smooth.
Adrian
Very professional service - helpful advice on the phone, polite and informative.
Anne
Everything you need to know
Find quick answers to our most common questions.
Help & Advice
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See how much you could save
Getting a quote takes less than 60 seconds.
Battery storage with no solar needed.