1.Over 97.6% efficiency; 2.MPPT efficiency up to 99.99%; 3.Built-in a high-accuracy clock:records real-time info accurately InstructioniMars BG10KTL / BG12KTL / BG15KTL are transformerless inverters with high efficiency. With aluminum housing, Integrated interface system, they are light and handy, making installation easier. They are the ideal inverters for small PV plants, or individually for ...