solar power system 3kw pure sine wave output,auto switch easy install & upgradeable long life span:25 years. solar power system 3kw 1. All solar Systems have LCD digital display which allows you to see the system working, (eg) Charge data,System voltage, Daily power consumption and temperature. 2. All type of BPS solar system both has AC and DC output. Also have AC back up charger function. 3. ...