Section · Battery
A battery is the most expensive single decision in the stack and the one with the slipperiest payback. Capacity matters less than the shape of your day.
In this section
How much battery do you actually need? Hint: it is your evening load shape.
LFP vs NMC: for almost every UK domestic install, the answer is LFP.
All-in-one tidiness against a single point of failure.
Working through a real payback, properly, including the bits the brochures leave out.
Octopus Tesla Energy Plan and the others. What moves the needle.
Vehicle-to-home and vehicle-to-grid in 2026. What is shipping vs slideware.