Shenzhen Melin Sunergy Co., Ltd.
                                                                                                           
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13 Years
Since 2013
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MT504-12A 12A PWM Solar Charge Controller with 5-Stage Charging, IP67 Waterproof, 12V/24V Auto Detection

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

The MT504-12A AGM PWM solar charge controller delivers reliable power management for small to medium solar systems. With a maximum current rating of 12A, this compact controller features advanced 5-stage charging technology to optimize battery performance and extend battery life.

MT504-12A PWM Solar Charge Controller showing compact design and connection terminals
Key Features & Benefits
  • 5-Stage Charging Process: Soft Start, Bulk, Absorption, Equalization, and Float charging
  • Multi-Battery Compatibility: Works with AGM, GEL, WET, and LiFePO4 battery types
  • PWM Smart Technology: Maximizes charging efficiency and battery health
  • IP67 Waterproof Rating: Fully protected for outdoor and marine applications
  • Compact Design: Lightweight 120g unit measuring 104×65×23mm
  • Auto Voltage Detection: Automatically detects 12V or 24V battery systems
  • Comprehensive Protection: Overcharge, reverse polarity, short circuit, and over-temperature safeguards
  • 2-Year Warranty: Backed by manufacturer support and reliability guarantee
Technical Specifications
Specification Details
Model Number MT504-12A
Rated Current 12A
Maximum Solar Power Input 220W @ 12V system, 440W @ 24V system
Nominal Solar Input Voltage 15-22V DC
Maximum Solar Input Voltage 25V DC
Battery Compatibility AGM, GEL, WET, LiFePO4, Calcium
Protection Features Over Charge, Input & Output Reverse Polarity, Short Circuit, Over-temperature
IP Rating IP67 (Waterproof and Dustproof)
Dimensions 104×65×23mm
Operating Temperature -25°C to 50°C (-13°F to 122°F)
Applications & Use Cases

Ideal for RV solar systems, marine applications, outdoor power installations, and remote power solutions. The compact size and waterproof construction ensure reliable performance in challenging environmental conditions.

Support & Certification

This product is CE, FCC, and UKCA certified and comes with comprehensive technical support including installation guidance, maintenance services, firmware updates, and battery testing assistance.

Frequently Asked Questions

Maximum Current: 12 amps

Certifications: CE, FCC, UKCA

Minimum Order Quantity: 100 units

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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