We rank balcony solar batteries on the specs that matter, value for money and reliability. Here's where we'd put our money this year.
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Anker's flagship plug-in balcony battery: 5kWh usable, a huge 5,000W of PV input across four MPPTs and an 800W grid-tied output — expandable to 30kWh with add-on packs.
A 1.92kWh add-on battery for the STREAM ecosystem that also works standalone as an AC-coupled plug-in battery for off-peak charging.
Zendure's all-in-one balcony battery: 1.92kWh usable with an 800W hybrid microinverter and 2,640W of DC-coupled PV input, stackable to 11.5kWh.
A plug-in balcony battery with a built-in 800W microinverter. AC-coupled — it charges from cheap off-peak electricity rather than panels, then powers your home at peak times.