Description
document.addEventListener(‘DOMContentLoaded’, function () {const tabs = document.querySelectorAll(‘.tab’);const headerHeight = 150;tabs.forEach(tab => {tab.addEventListener(‘click’, function () {const contentId = this.getAttribute(‘data-content-id’);const content = document.getElementById(contentId);const contentTop = content.getBoundingClientRect().top + window.pageYOffset – headerHeight;window.scrollTo({ top: contentTop, behavior: ‘smooth’ });});});});DescriptionIncludesSpecificationsFAQDownloadsReviewsAdvanced 4-Stage PWM Technology: The ROCKSOLAR 20A Solar Charge Controller incorporates smart PWM (Pulse Width Modulation) technology, providing a highly efficient 4-stage charging process. This includes Bulk, Absorption, Float, and Equalization stages, ensuring optimal battery protection and charging efficiency.IP67 Rated Waterproof Design: Built to endure challenging outdoor conditions, the ROCKSOLAR 20A Controller is IP67 rated for waterproofing. It continues to function seamlessly in the presence of water spray, rain, or condensation, making it ideal for outdoor solar applications.Multiple Intelligent Protections: Equipped with extensive protective features, the ROCKSOLAR 20A Controller safeguards against reverse polarity, overcharge, short-circuit, reverse current, overload, and over-discharge. These intelligent protections guarantee the safety of your battery and the controller’s operation.Backlit LCD Display System: The controller boasts a backlit LCD display, offering real-time insights into charging current, generated energy, temperature, battery voltage, and error codes. This feature enables effective monitoring and management of the charging process.Versatile Battery Support: Capable of automatically detecting 12V or 24V system voltages, the ROCKSOLAR 20A Controller is compatible with Gel, AGM, Flooded, and Lithium batteries. Its Lithium activation feature allows for efficient charging of lithium-based batteries. 1x ROCKSOLAR 20A PWM Solar Charge Controller: Efficiently manages solar power for optimal battery charging and longevity.1x User Manual: Detailed instructions for setup, operation, and maintenance, ensuring you get the most out of your solar charge controller.Technical SpecificationsSpecificationDetailsModelPOW-Keeper1220PV InputMax Open Voltage of PV Module: 55VdcMPP Tracking Efficiency99.50%Light Control Voltage5VCharge Mode3 Stage Charge AlgorithmBattery TypeLithium and Lead Acid BatteryNominal System Voltage12/24VRated Charging Current20ABattery Voltage Range8~32VHigh Voltage Disconnection16V (24V x 2)Duration for Absorption Charging2 hoursCharge Loop Voltage Drop0.29VSelf-consumption 9.2mA 12V; 11.7mA 24VEqualized Charging VoltageAGM: 14.6V; GEL: No; FLd: 14.8VAbsorption Charging VoltageAGM: 14.4V; GEL: 14.2; FLd: 14.6VFloating Charging VoltageAGM/ GEL/ FLd: 13.8VLow Voltage Re-connection (LVR)AGM/ GEL/ FLd: 12.6VLow Voltage Disconnection (LVD)AGM/ GEL/ FLd: 10.8VOperating Temperature Range-20~55 (Full rated current)LCD Temperature Range-20~70Humidity Range95% No condensationProtection ClassIP30Dimensions123*178*48 mmInstallation Hole108*120 5 What makes the ROCKSOLAR 20A Controller’s 4-Stage PWM Technology unique?The 4-stage PWM (Pulse Width Modulation) technology in the ROCKSOLAR 20A Controller includes Bulk, Absorption, Float, and Equalization charging stages, providing efficient and safe battery charging, maximizing battery life, and enhancing overall system performance.Is the ROCKSOLAR 20A Solar Charge Controller waterproof?Yes, the ROCKSOLAR 20A Solar Charge Controller is designed with an IP67 rated waterproof design, making it fully operational in various outdoor conditions, including exposure to water, rain, or condensation.What types of batteries are compatible with the ROCKSOLAR 20A Controller?The ROCKSOLAR 20A Controller is compatible with multiple battery types, including AGM, GEL, Lithium-ion, and LiFePo4, making it versatile for different solar power setups.How does the backlit LCD display enhance the use of the ROCKSOLAR 20A Controller?The backlit LCD display on the ROCKSOLAR 20A Controller shows real-time information like charging current, generated energy, temperature, and battery voltage. This allows for effective monitoring and control of the charging process.What protective features does the ROCKSOLAR 20A Controller offer?The ROCKSOLAR 20A Controller includes multiple protections against reverse polarity, overcharge, short-circuit, reverse current, overload, and over-discharge, ensuring the safety and longevity of your battery and solar system.Download Product Manual (PDF)
