Includes 32.2W backpack folding rugged solar panel and 20AH lithium iron phosphate battery pack with built in state of charge LED indicator and low voltage protection. LiFePO4 batteries are very safe, light weight and have very low self-discharge rates. Excellent low and high temperature tolerance. Overcurrent, overcharge and undervoltage battery disconnect. Built in a waterproof Pelican Case enclosure. Very lightweight. This is the lightest-weight solar power solution and is intended for serious expedition and EMS/Fire/military applications where weight and full features are critical. Low self discharge rate on the shelf and high power density batteries. Maximum input current 5A. Power center weighs 10 lbs. Panel weighs 5.5lbs. We can custom design and configure custom solar charged lithium power systems. Call us.