Feature: 1. MAIN PURPOSE: Flexible solar panel is mainly used to power most 12V acid batteries, including 12V lithium batteries and other equipment to charge.  2. APPLICABLE SCENES: Can be bent 30 Degree, installed in RV, fishing boat, wooden house, tent or other outdoor scenes, energy saving and environmentally friendly.  3. CIRCUIT PROTECTION: The built in blocking diode prevents the battery from discharging at night, the current cannot flow back and damage the battery circuit board.  4. DURABLE MATERIAL: This monocrystalline silicon solar panel uses fiberglass and polycarbonate surface, waterproof design, suitable for all kinds of bad weather.  5. GOOD COMPATIBILITY: A flexible solar panel is suitable for 12V system, and 2 solar panels can be used in series 24V system and parallel 12V system, has good compatibility.