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AC-Coupled Versus DC-Coupled Home Batteries: How the Energy Flows

AC and DC coupling describe where a battery connects to your solar system. Here is how each path converts power, and why it matters for retrofits and losses.

23/07/2026

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Smart Meters, Half-Hourly Settlement and What They Mean for Home Batteries

Great Britain is moving every meter to half-hourly settlement by May 2027. What that is, who it affects and why it matters if you own or plan a home battery.

20/07/2026

China Introduces a 2% Consumption Tax on Lithium-Ion Batteries From September

China announced a consumption tax on lithium-ion batteries from 1 September 2026, rising to 4% in 2027, with sodium-ion exempt. What we know and do not.

20/07/2026

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UK Clean Flexibility Roadmap Update: What It Says About Batteries and Smart Meters

The July 2026 update to the UK Clean Flexibility Roadmap covers grid batteries, smart tariffs and half-hourly settlement. What it says and what is open.

18/07/2026

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Round-Trip Efficiency Explained: How Much Energy Does a Home Battery Give Back?

Round-trip efficiency is the share of stored energy a battery returns. How it is measured, where losses occur and what it means for your savings.

17/07/2026

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NESO Says Battery Skip Rates Fell to 38% in the First Half of 2026

Britain's grid operator says battery skip rates fell from 49% to 38% year on year. What a skip is, why it matters and what NESO plans next.

16/07/2026

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AI Smart Charging Explained for Home Batteries

AI smart charging optimizes battery usage based on local grid rules, tariff structures, and dynamic electricity prices.

14/07/2026

Home Batteries Explained: Do You Really Need One?

Home batteries hold daytime solar surplus for evening use, helping reduce energy bills and increase self-consumption.

14/07/2026

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Australia's Home Battery Registrations Fall in June as the Rebate Favours Smaller Systems

SunWiz data shows Australian home battery registrations fell 28% in June as support for large systems was cut. What changed and what the data cannot tell us.

13/07/2026

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High-Voltage Versus Low-Voltage Home Batteries: What Actually Changes

High-voltage and low-voltage home batteries differ in current, cabling and inverter pairing. Here is the physics, what to ask and which claims to doubt.

11/07/2026

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Low Standing Charge Tariff Trials Launch at EDF, E.ON and Octopus

Ofgem-backed low standing charge trials have launched at EDF, E.ON and Octopus. Who they suit, the caps and exit fees, and what they mean for battery owners.

11/07/2026

Aerial view of four white battery storage containers next to a substation transformer and power lines

Estonia Activates 100 MW Hertz 2 Battery System, Strengthening Northern Europe’s Grid Stability

Estonia launched the 100 MW Hertz 2 battery system in Aruküla to strengthen regional grid stability and support renewables.

09/07/2026