Are solar batteries a good investment?

That’s great – solar batteries are becoming an essential component in maximising the benefits of solar energy. As solar battery costs decrease, more homeowners are pairing their solar panels with energy storage solutions. You can also compare prices for solar-plus-storage with our help.

What is the best solar battery?

At just 3 kWh per module, the Generac PWRcell is the most flexible and customizable solar battery on our list and perhaps the market. Stack three batteries together for 9 kWh of usable capacity – ideal for Solar self-consumption and light backup – and then add up to three more per cabinet as your storage needs increase.

What makes a good solar battery?

Scalability – Most solar batteries are available in a range of capacities, so you can choose according to how much electricity you need to store. The best batteries come as modular units that you can stack to increase (“scale”) their capacity as your needs increase over time, for example if you buy an EV.

Do solar batteries have backup power for grid outages?

Backup power for grid outages is traditionally one of the most desired features of a solar battery. While most batteries have this feature, a few stand above the rest in 2024. Quick facts: What we like:

How much does a solar battery cost?

Value for money – Getting a solar battery isn’t cheap, with even the smallest units costing more than £1,500. However, you can still find some great options that’ll shrink your break-even point below the typical 26.3 years for a solar-plus-storage setup.

How much power does a solar battery have?

Only a handful of solar batteries have 100% usable capacity — most range between 90% and 95%. When shopping for a solar battery, you should always look out for the battery’s usable capacity and factor that into how much electricity your home needs.