Solar Batteries

Choose the Best Solar Battery for You
A closer look to solar panels and a solar battery

Discover Our Solar Batteries for PV Systems

At Otovo, we prioritise the quality of the products we sell, which is why our solar batteries undergo a rigorous selection process. This ensures we work with reliable and reputable brands. Our catalogue features the most efficient and technologically advanced models, perfectly suited to the photovoltaic installations we offer. Monthly subscription plans start from £25.
Solar battery Growatt ML33RTA
Growatt Solar Battery Storage
Size: 3.3kWh / 6.5kWh
Depth of Discharge: 93% - 94.5%
Chemistry: Lithium
Type: 1. ML33RTA 2. GBLI6532
Number of Cycles: >6000
Price Range: £1300 - £2250
Product Warranty: 10 years
Solar battery FOX ESS ECS2900 H2
FOX ESS Solar Battery Storage
Size: 5.76kWh - 20.16kWh
Depth of Discharge: 90%
Chemistry: Lithium
Type: ECS2900-H2 / ECS2900-H3 / ECS2900-H4 / ECS2900-H5 / ECS2900-H6 / ECS2900-H7
Number of Cycles: >6000
Price Range: £2000 - £6000
Product Warranty: 10 years

Solar Batteries with a PV System: Get Your Free Quote Here

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What Our Customers Say

Read Our Excellent Reviews!

  • Solar panels with a medal symbol
    Solar battery storage combined with a PV installation is a fantastic option if you want to lower your electricity bills and gain greater energy independence. Additionally, by increasing self-consumption of electricity, you won’t have to worry about sudden fluctuations in electricity prices.
  • A woman writing on her laptop and a lamp close to her
    Solar batteries store surplus energy produced by your PV installation. This way, the energy generated on sunny days and stored in solar batteries can be used when your electricity consumption increases. The result? You buy less energy from the grid and save more.
  • A house with solar panels
    The best option is to set up your solar PV battery storage system simultaneously with your PV installation, but you can also add a solar battery to an existing solar installation. We recommend a personalised analysis to select products that will meet the specific needs of each household.
  • Man and woman looking at a laptop and talking
    We sell high-quality batteries for solar power storage, ensuring that the most efficient and cost-effective models are available. We work with reputable manufacturers who offer a 10-year warranty. We ensure our clients receive the best offer in terms of quality and price.

Happy with our new solar installation and would recommend Otovo to others

We had Otovo install our solar system in Dec 2023, the price was great so we went ahead. The installation went smoothly from start to finish and we’re happy with the results. Only when everything was up and running did Otovo ask for payment (there was no upfront deposit). We’re very happy with our solar installation.
Installation size: 4.73 kWp, 11 Trina Solar panels
Dorking, United Kingdom

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Disclaimer: Otovo Limited is an appointed representative of Product Partnerships Limited (“PPL”) which is authorised and regulated by the Financial Conduct Authority. PPL’s FCA registration number is 626349 and its address is Suite D2 Joseph’s Well, Hanover Walk, Leeds LS3 1AB. PPL’s permitted business is to act as a Principal for a network of Appointed Representatives who arrange regulated credit facilities for customers who are purchasing goods from them.

Otovo Limited acts as a credit broker not a lender. We will introduce you to a small panel of lenders who may be able to offer you finance facilities for your purchase. European Distributed Energy Assets Limited (FRN: 991365) who are part of the same group as Otovo Limited may be among these. We do not receive any commission for introducing customers to any lenders. You may be able to obtain finance for your purchase from other lenders and you are encouraged to seek alternative quotations. If you would like to know how we handle complaints, please ask for a copy of our complaints handling process. You can also find information about referring a complaint to the Financial Ombudsman Service (FOS) at

Representative example: If you borrow £7,000 over 20 years (PV) and £3,000 over 10 years (Battery) at a Representative APR of 10% you would pay £91 per month in year 1, £114 in year 10 and £87 in year 20. Total Charge for Credit £11,678 | Total Amount Payable £21,678