Guides · Home backup
Home battery backup guides
Keeping the lights, the fridge and the internet on through a power cut: the options, the sizes and the real costs.
All home backup guides
- Home battery backup: how it works, what it costs and what it can runHow home battery backup works, what it can run in an outage, how much you need, and what it costs in 2026 in the US and UK now the federal credit has ended.
- Battery backup for power outages: what to buy for your homeThe right battery backup depends on how long your outages last and what you cannot do without. Five common situations, what to buy, and what it costs.
- Solar battery backup: how solar keeps working in a power cutMost solar panels switch off in a power cut. How a battery changes that, AC vs DC coupling, adding a battery to existing solar, sizing, and 2026 costs.
- Solar battery storage cost: what you'll really pay in 2026What a home solar battery costs in 2026: price per kWh in the US and UK, what quotes include, the costs nobody lists, incentives and how to compare.
- Whole-home battery backup or essentials only?Whole-home backup keeps everything running but costs far more. How to decide, what counts as essential, and how many kW and kWh each option needs.
- Home battery backup without solar: what worksYou don't need solar panels to have a home battery. How grid-charged batteries work, what they cost, time-of-use savings, and when they make sense.