Information Center

Everything we publish on home batteries, in one place.
Quick News on prices, incentives and new products, and in-depth Deep Dives that properly test and compare the batteries themselves.

Independent
No sales calls
Plain-English guides

Illustration of a stack of books, an information badge and a document

Browse by section

News Deep Dives Country Guides The Home Battery Lab

A hand assembling a small circuit board beside battery cells on a green mat

What a Battery Management System Does and Why Cells Need Balancing

The battery management system is the quiet controller inside every home battery. Here is what it monitors, protects against, and why balancing cells matters.

26/06/2026

City skyline of dense apartment blocks under a large sun in an orange, hazy sky

68,000 French households left without power during extreme heatwave

Severe heatwaves in Europe cause power outages, highlighting the importance of home batteries for backup power.

24/06/2026

Three electricity pylons with power lines silhouetted against an orange and blue sky

Home batteries and the grid: problem or solution?

Home batteries stabilize the grid when managed smartly, though uncoordinated charging can increase peak load pressure.

23/06/2026

Modern brick house with a glass front and warm lights glowing in the windows and garden at dusk

How does a home battery actually save money?

Home batteries cut electricity costs by storing solar power and charging cheaply during low-tariff peak hours.

22/06/2026

Aerial view of rows of solar panels across green fields

Octopus Energy Generation and ZE Energy Back a 98.5 MW Battery Project in Southern Italy

Octopus Energy Generation is co-investing in ZE Energy's 98.5 MW / 895 MWh Sessa Aurunca battery in Campania, due in 2028 with a 15-year contract.

22/06/2026

A hand with a pencil over printed charts, an open notebook and a calculator

Why Home Batteries Age: Calendar Ageing Versus Cycle Ageing

A home battery loses capacity in two ways: with time and with use. Here is how calendar and cycle ageing work, and what actually slows them down.

20/06/2026

Close-up of a digital electricity meter with a clear terminal cover and red security seal

Dynamic electricity tariffs are changing the role of home batteries

Dynamic tariffs allow home batteries to charge when electricity is cheap and store energy to cut household power bills.

20/06/2026

Aerial view of houses with brown and grey roofs along suburban streets

Virtual power plants turn home batteries into grid assets

Virtual power plants connect home batteries together to balance the electricity grid and create extra value for households.

18/06/2026

Rooftops of houses with terracotta tiles and solar panels, with palm trees and apartment blocks under a blue sky

Europe’s home battery market enters a new growth phase in 2026

European battery storage is growing rapidly, driven by large-scale projects and expanding residential solar battery adoption.

17/06/2026

Brass door handle with a key in the lock and a house-shaped keyring, with a blurred sofa in the room beyond

Plug-in batteries move from niche product to mainstream energy solution

Plug-in home batteries and balcony storage offer accessible energy solutions for renters without complex installation processes.

17/06/2026

Woman touching a wall-mounted tablet showing a house cutaway with smart home icons for lighting, heating and appliances

Why energy management software may become more important than battery capacity

Smart energy management software and AI optimize home battery usage by choosing the best charging times and reducing costs.

16/06/2026