Solar Charge Controller for managing battery charging to help increase battery lifetime by preventing overcharging and over-discharging. Controller includes priority charging function to allocate 10% to 90% of solar panel power to Battery 1 or Battery 2. Compatible with 12V or 24V batteries. Microcontroller-based digital control with State of Charge (SOC) indication. Pulse Width Modulation (PWM) charging with four stages: Bulk, Boost, Float, and Equalization. Supports Lead Acid, AGM, and Gel batteries. Built-in electronic protections: short circuit, reverse current, reverse polarity, lightning protection, overcharge protection, and over-discharge protection. Type: Solar Charge Controller Maximum Input Voltage: 41V Maximum Input Power: 260W for 12V systems, 520W for 24V systems Boost Voltage: 14.6V Bulk Voltage: 14.5V Float Voltage: 13.8V Model: 20A Solar Charge Controller Application: Solar battery charging control Color: Black Material: Metal and plastic Package Includes: 1 x Solar Charge Controller Note: Actual product color may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 cm.