If you’re considering installing solar panels at home, you’ve likely come across solar batteries, which are large lithium-ion packs that store excess power for when the sun isn’t shining.
Using the same technology found in electric vehicles, these batteries let you use stored solar energy at night, charge from the grid during off-peak hours, and even provide backup power during outages.
Adding a battery can significantly improve efficiency and long-term savings, especially when paired with the best solar panels. However, the extra investment means you’ll need to factor in the cost of solar panels and installation to see whether the upgrade is worthwhile. For help weighing up your return on investment, see our guide on are solar panels worth it, or check current solar panel grants that can help reduce the upfront expense.
Powerwall 3 Home Gateway (Image: Tesla)
Solar batteries typically cost between £2,500 and £6,000, depending on size and brand, with installation adding around £3,000 more if fitted separately. For most homeowners, combining installation with new panels is the most cost-effective option.
Read more: The Independent
