02 · Storage

Battery storage, sized for the day you have

Whether a battery earns its keep depends on the shape of your day and the tariff you are on. Sizing, chemistry, hybrid systems and payback.

Guides ↓ · Calculators ↓ · Articles ↓

Knowledge base

Guides on battery

Reference pages on the kit, the install process and the questions worth asking before you book.

Matching capacity to your evening load shape

LFP vs NMC for UK domestic installs

All-in-one tidiness vs single points of failure

Self-consumption uplift and tariff arbitrage

Schemes that pay for grid services in 2026

Vehicle-to-home status check

Calculators

Built for the questions that crop up while reading a quote. Each prints the working it does.

Battery

Smallest battery that catches most of your spare solar.

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Battery

Honest unit cost of stored energy.

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Articles

2026 · Battery · 14 min read

When the payback maths works for storage on a sub-5 kWp setup.

2026 · Battery · 6 min read

Vehicle-to-home status check 2026.

2026 · Battery · 8 min read

Why almost every UK domestic install lands on LFP.