Smart 12/24V Auto 20-30A PWM Solar Charge Controller with Dual USB

High-Efficiency PWM Control
– Advanced PWM technology maximizes solar energy conversion, ensuring optimal battery charging with minimal power loss for 12V/24V systems.
Dual USB Charging Ports
– Built-in 5V/3A USB outputs allow direct charging for smartphones, tablets, and other USB devices, eliminating the need for extra adapters.
Robust 20-30A Current Handling
– Supports high-capacity solar panels (up to 30A), ideal for RVs, boats, off-grid cabins, and solar street lighting systems.
Auto Voltage Detection
– Intelligently identifies 12V or 24V battery systems without manual configuration, preventing incorrect voltage damage.
Multi-Protection Safety
– Includes overcharge, over-discharge, short-circuit, and reverse-polarity protection to safeguard batteries and connected devices.
Durable Industrial Design
– Flame-retardant ABS casing and heat-dissipating aluminum substrate ensure long-term reliability in harsh outdoor conditions.
Easy Installation
– Clear LED indicators and screw-terminal connectors simplify setup for both DIY enthusiasts and professional installers.
Wide Compatibility
– Works seamlessly with gel, lead-acid, and lithium batteries, making it versatile for solar home systems and commercial applications.
Energy-Saving Mode
– Automatically reduces power consumption when idle, extending battery life during low sunlight periods.