Shenzhen Melin Sunergy Co., Ltd.
                                                                                                           
Verified Supplier
13 Years
Since 2013
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IP67 Waterproof 8A PWM Solar Charge Controller with 12V/24V Auto Detection and 140W Max Input

Price Negotiable
Price: Negotiable
MOQ: 100
Delivery Time: 25 days
Brand: Melin Sunergy
Product Description
Product Overview

This 8A PWM solar charge controller delivers reliable performance for off-grid solar systems with automatic 12V/24V detection and comprehensive battery compatibility. The IP67 waterproof enclosure ensures durability in harsh outdoor environments.

Key Specifications
  • 8A rated charging current with 140W maximum solar input
  • Automatic 12V/24V system detection
  • IP67 waterproof rating for outdoor durability
  • Compact dimensions: 104×65×23mm, lightweight 120g design
  • Maximum PV input voltage: 50V
Technical Specifications
Parameter Specification
Item Number MT504-8A
Rated Current 8A
Max Solar Power Input 140W
Nominal Solar Input Voltage 15-22V DC
Max Solar Input Voltage 25V DC
Charging Stage 5 Stage Charging (Soft Start-Bulk-Absorption-Equalization-Float)
Battery Type AGM, GEL, WET, LiFePO4 or Calcium
Protection Features Over Charge, Input & Output Reverse Polarity, Short Circuit, Over temperature
IP Rating IP65
Mounting Method Wall mount
Operation Temperature -40°C to +85°C
Storage Temperature -40°C to +85°C (-40°F to +185°F)
Advanced Charging Technology

The controller features 5-stage charging technology with customized charging curves optimized for each battery type (AGM, GEL, WET, LiFePO4). PWM Smart Charging ensures efficient battery charging while extending battery life through precise voltage regulation.

Battery Compatibility
  • AGM Batteries - Optimized charging profile
  • GEL Batteries - Temperature-compensated charging
  • WET Batteries - Standard lead-acid optimization
  • LiFePO4 Batteries - Advanced lithium battery support
Applications & Certifications

Ideal for RV solar systems, marine applications, cabin power systems, and off-grid installations. Certified by CE, FCC, and UKCA standards for quality assurance and regulatory compliance.

Typical Applications
  • RV and camper solar power systems
  • Boat and marine electrical systems
  • Cabin and remote power installations
  • Off-grid energy storage solutions
Product Image
MT504-8A PWM Solar Charge Controller showing compact black enclosure with display and connection terminals
Support & Services

Comprehensive technical support including detailed user manuals, troubleshooting guides, firmware updates, and warranty services. Technical assistance available via phone and online channels.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shenzhen Melin Sunergy Co., Ltd.
Location Room 709 , Block 2 of Anbo
Contact Person David Wan

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