Feature: 1. Monocrystalline Solar Cell: A-grade monocrystalline solar cells feature the fastest charging speed possible with an energy conversion efficiency of 21%, with premium PET films achieving a light penetration rate of 95%. 2. Optimal Efficiency: With MPPT controller to harvest 20% more energy than PWM controller, this solar panel features kickstands for more solar power harvesting and an auto-optimization function for immediate reconnection after interruption. 3. Superior Portability: Exclusively manufactured with no glass, a foldable design with a robust carrying handle. 4. Ultimate Protection: This solar panel features anodized aluminum frames, reinforced corner protectors and diode bypass technology which protects the shaded cell from overheating. 5. Multiple Functionality: Compatible with AGM, lead-acid, Gel, Calcium; LiFePO4 batteries, this folding solar panel features a 5V 1.5A USB port to charge portable devices directly, including smartphones, tablets, and digital cameras, etc. Specification: Type: Solar Panel; Model:VASPFOLD-FLES-2R-AP 160W; Max Power:160W; Open-Circuit Voltage (VOC): 22.5V; Short-Circuit Current (ISC): 9.32A; Max Power Voltage  (VMP): 18.4V; Max Power Current (IMP): 8.7A; Max System Voltage:100VDC; Temperature Range: -40°C(-40°F) ~ +85°C(+185°F); Expanded size:1020*510mm; Folding size:740*510mm; Package Weight: 5.98kg; Package included; 1x Solar panel