EPEver PWM VS2024AU 20A Solar Charge Controller

With a robust 20A rated charge current and automatic 12V/24V system voltage recognition, the EPEver VS2024AU PWM solar charge controller delivers reliable power management for off-grid solar installations. Its advanced 3-stage charging algorithm (bulk, boost, float) optimizes battery health and extends service life.

Overview

The VS2024AU is a high-performance PWM charge controller engineered for solar systems up to 520W (24V) or 260W (12V). It supports sealed, gel, flooded, and user-defined battery types, ensuring versatility across various battery chemistries. The backlit LCD display provides real-time monitoring of system status, while the RS485 communication port enables remote data access and configuration.

What stands out

• Dual 5VDC/2.4A USB outputs for convenient device charging
• Comprehensive electronic protections: PV over current, short circuit, reverse polarity, battery over discharge/over voltage, load overload, and overheating
• Low self-consumption (<9.2mA at 12V) maximizes energy efficiency
• Common positive grounding design for compatibility with various system configurations
• Wide operating temperature range from -25°C to +55°C for harsh environments

Technical details

• Charge Controller Type: PWM (Pulse Width Modulation)
• Rated Charge Current: 20A
• Rated Discharge Current: 20A
• System Voltage: 12V/24V Auto Recognition
• Max. PV Open Circuit Voltage: 50V
• Max. PV Input Power: 260W (12V) / 520W (24V)
• Battery Type Compatibility: Sealed, Gel, Flooded, User-defined
• Grounding: Common Positive
• USB Output: Dual 5VDC/2.4A
• Self-consumption: ≤9.2mA (12V) / ≤11.7mA (24V)
• Operating Temperature Range: -25°C to +55°C
• Enclosure IP Rating: IP30
• Communication Port: RS485 (RJ45 interface)
• Display Type: Backlit LCD
• Charging Algorithm: 3-Stage (Bulk, Boost, Float)
• Protections: PV Over Current, PV Short Circuit, PV Reverse Polarity, Battery Over Discharge, Battery Over Voltage, Battery Reverse Polarity, Load Overload, Load Short Circuit, Overheating

Our verdict

The EPEver VS2024AU stands out as a reliable and feature-rich PWM charge controller, ideal for small to medium off-grid solar systems. Its robust protections, dual USB outputs, and user-friendly interface make it a practical choice for both hobbyists and professionals seeking dependable solar charge management.