Growatt 5000MTL test
The original test report for the Growatt 5000MTL was published in PHOTON International this summer (see PI 7/2012, p. 98). Aft er a few initial problems due to a defect, this transformerless, single-phase device with a nominal DC capacity of 5.2 kW delivered a perfectly acceptable performance. Its PHOTON effi ciency of...