1- Charge Controller : SunSaver 20L-12V (20Amps / 12 Volts)3- Circuit breakers – Rated for 20 Amps.6- Din Rail mountable Power Terminal Blocks.1- Wiring Kit – Assembly pre-wiring and #10AWG Batt-Reg Cable1- Back Panel to fit Most Enclosures (BBA3, BBA6, BBA10)