1- Charge Controller : SunSaver 20L-24V (20Amps / 24 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 (BBA1, BBA2)