Deep Dives

Longer pieces on sizing, payback, technology and the questions homeowners keep asking us, regularly updated with our latest research so you are working from current numbers, not last year's.

Independent & unbiased
Updated regularly
No sales pitch

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The Plug-In Home Battery Revolution

Plug-in batteries revolutionize energy storage, enabling quick setup without expensive electrical installation or tools.

02/07/2026

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kW vs kWh: Power and Energy Explained for Home Batteries

A kW is how fast energy moves, a kWh is how much there is. Learn how the difference decides what a home battery can run and for how long.

29/06/2026

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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

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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

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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

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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

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

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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