1.LCD display 2.can apolegamy RS232 port with the computer 3,CEC ... way PV Solar panel at the same time most greatly.2. Has the PV input terminals prevents the thunder and lightning ... quantity insufficiency, can switch to the Commercial power to charge for the battery. 7. LCD display and can apolegamy RS232 port ... A11:2009, EN61000-6-4:2007+A1:2001, EN61000-6-2:2005, EN61000-3-12:2005, EN61000-3-11:2000 ...