Portable: Four 50W solar panels attached in pairs for portability. Case design facilitates transportation and helps keep solar panel safe when storing Detailed Design: Aluminum frame, corner protectors, lock-latches, and carrying handle make this a lightweight and portable product 8 Battery Type Compatible -Lithium-ion, LiFePO4, LTO, Gel, AGM, Flooded, Crystal and Calcium. Battery Ready: Grade A monocrystalline solar panels with 20A waterproof charge controller, MC-4 connector, and alligator clips makes this product an ideal option for 12V battery charging Easy Set-up: pre-installed stand allows for easy and quick set-up. MC-4 connectors or Anderson plug allow easy installation to RV / camper / trailer battery unit. For pre-wired RV or camper, please contact ACOPOWER for adapters – Furrion and SAE Zamp solar