Growatt SPF 3000-5000TL HVM series Off-Grid Solar Inverter with AC input is integrated with a MPPT solar charge controller , transformerless design provides reliable power conversion in compact size. A great Off-Grid inverter the Growatt has all the functions you need to get started with Solar or Load Shedding. If you're looking for reliability, efficiency at a cost effective price the Growatt 5kW is perfect, with a 2-year warranty that most off-grid inverters don't have in this range makes the Growatt a better choice. The sleek modern design you can see and feel the build quality, it is compatible with most of the Lithium and AGM batteries on the market it is easy to install and easy to operate.