The wall-mountabledevice, called Sunny Boy Smart Energy, has an integrated battery that can store about 2kWh of electricity generated from the sun.

It is aimed at boosting self-consumption levels in Germany. The world’ssolar leader, with more than 35GW, has a small butrapidly rising PV storage market.

“When combined with theSunny Home Manager, self-sufficiency quotas of 50% are common on an annualaverage basis," says SMA product manager Thomas Thierschmidt.