Topic

Batteries

Usable capacity, power output, payback and whether one makes sense for your home.

18 Oct 20268 min

Battery types explained: LFP, NMC, sodium-ion, and why you don't need to wait

The battery chemistries in home solar systems and electric cars, what each is good and bad at, how long they really last, and why the next big thing isn't a reason to wait.

Batteries Battery degradation

SolarBatteriesPower billsEV charging at home

Cole

17 Oct 20264 min

kW vs kWh: the difference, explained in 3 minutes

Kilowatts are the rate, kilowatt-hours are the amount. The one idea behind every solar quote, battery spec, EV charger and power bill, with video.

Is a home battery worth it? The payback, worked through

How to work out a home battery's payback from your own bill: usable kWh, what each stored kWh saves, rebates in 2026, and when a battery makes sense.

Home battery Payback