Easy installation : With pre-drilled holes; each solar panel comes with 12AWG cable with MC4 male/female quick connectors
High Efficiency : 4PCS Polycrystalline solar cell efficiency: 14.35 %; 40A MPPT charge controller peak efficiency: 99.5 %
MPPT Technology: Solar Charge Controller has user adjustable settings! LCD Screen shows, voltage, solar panel status, battery state of charge, and DC load draw. See Image in photo gallery for all LCD Screen readouts. Compatible with lead acid, AGM, gel, and lithium batteries
Green Solar System: : Designed for RVs, cabins, homes, boats, back-up and remote power use. The two solar panels can be wired in parallel for 12V battery charging or in series for 24V battery charging
Common Negative grounding design
Warranty : 25-year transferable power output warranty on panels and 1-year warranty on rest of the kit components
Multiple packages : Order will be delivered in multiple packages

Packing list

ACOPOWER 400W 12V Poly Solar RV Kits, 40A MPPT Charge Controller