The Anker solix 2 E 1600 Pro model has 1600Wh battery capacity, 4 inputs for 4 solar modules for a total of 2400W power, total 9600Wh storage capacity (with additional batteries), 1000W emergency power output socket, max. 600/800W feed into the domestic grid, zero feed can be made with AnkerSmartMeter.
The Anker solix 3 E 2700 Pro model has 2680Wh battery capacity, 4 inputs for max. 8 solar modules (with Y-cable) for a total of 3600W power, a total of 16000Wh storage capacity (with additional batteries), 1200W emergency power output socket, max. 600/800W feed-in to the domestic grid, zero feed-in can be realised with AnkerSmartMeter or Shelly 3. With the Anker Solix 3 E 2700 you can allegedly benefit from dynamic energy tariffs with AI (and a connection to an internet portal) (charging at low prices, discharging at high prices). I don't know whether this is already available in Switzerland and whether you can benefit from it, but I don't think so.
Anker Solix 2 Pro is sufficient for a rented flat, but if you own a house with sufficient space, you could consider an Anker Solix 3 Pro. As the Anker Solix 3 pro is only just being launched, I would wait another 6...12 months before buying, by which time the first firmware bugs will have been fixed. (My personal opinion).
Rocksresort Laax: win a stay for 4 people
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We're giving away a voucher for Rocksresort Laax: 2 nights in a family flat for 4 people.