PWM Solar Charge Controller 12/24V 20A with USB Output Port

• ✓ Auto-Detects 12V or 24V Battery Systems for Easy Installation
• ✓ Three-Stage Smart Charging: Bulk, Boost/Equalize, and Float
• ✓ Supports Sealed, Gel, and Flooded Lead-Acid Battery Types
• ✓ Electronic Protection Against Overload and Short Circuit
• ✓ Wide Operating Temperature Range From -31°F to 131°F
• ✓ Common Positive Ground for Simplified Wiring Setup