Shenzhen Melin Sunergy Co., Ltd.
                                                                                                           
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13 Years
Since 2013
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Compact 8A PWM Solar Charge Controller 104x65x23mm for 12V/24V Systems with IP67 Waterproof Rating

Price Negotiable
Price: Negotiable
MOQ: 100
Delivery Time: 25 days
Brand: Melin Sunergy
Product Description
Compact PWM Solar Charge Controller Overview

This compact PWM solar charge controller measures just 104×65×23mm and weighs only 120g, featuring an IP67 waterproof rating for reliable outdoor and marine applications. The unit provides efficient solar power management for 12V/24V systems with automatic voltage detection.

Key Features & Performance
  • 8A rated current with 140W maximum solar power input
  • Automatic 12V/24V system voltage detection
  • 5-stage charging: Soft Start, Bulk, Absorption, Equalization, Float
  • Supports multiple battery types: AGM, GEL, WET, LiFePO4
  • Comprehensive protection: Overcharge, reverse polarity, short circuit, over-temperature
  • LED indicator display for easy monitoring
  • IP67 waterproof enclosure for outdoor durability
  • 2-year warranty for peace of mind
Technical Specifications
Item No.MT504-8A
Rated Current8A
Max. Solar Power Input140W (12V system), 280W (24V system)
Nominal Solar Input Voltage15-22V DC
Battery CompatibilityAGM, GEL, WET, LiFePO4 (12V/24V)
Operation Temperature-25°C to 50°C (-13°F to 122°F)
Dimensions104×65×23mm
Weight120g
Product Image
MT504-8A PWM Solar Charge Controller showing compact design with LED indicators and waterproof housing
Applications

Ideal for small to medium off-grid solar systems, including RVs, boats, cabins, and remote monitoring stations. The compact design fits easily into existing setups while providing professional-grade charge management.

Frequently Asked Questions
What size solar panel should be used with this controller?
Maximum recommended is 140W for 12V systems and 280W for 24V systems.
Can I use a 24V solar panel to charge a 12V battery?
Not recommended as it causes significant power waste. Solar panel and battery voltages should match (12V panel for 12V battery, 24V panel for 24V battery).
Where should the controller be installed?
For maximum charging efficiency, install close to the battery.
Support & Ordering Information

Includes comprehensive user manual, 2-year warranty, technical support, and repair services. Our customer support team is available to assist with any installation or operational questions.

Minimum order quantity: 100 units

Delivery time: 25 days

Monthly production capacity: 5,000 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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