This is our demo that we take to shows. It is about a year old. It has a full 5 year warranty from your date of purchase. It is 530 W AC power and it has a 664 Watt Hour Battery. Lithium Iron Phosphate rated at 3500 Cycles to 80% dod. There is a 25ft extension cable and 200 W of foldable solar panels with carrying cases with 5 year warranties also. Text or call with questions. No emails, no trades. This is cash price only.