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PWM Solar Charge Controller
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Compact Lightweight PWM Solar Charge Controller with LED Indicator for 12V/24V Systems

Compact Lightweight PWM Solar Charge Controller with LED Indicator for 12V/24V Systems

Brand Name: Melin Sunergy
Model Number: MT504-8A
MOQ: 100
Payment Terms: T/T,Western Union,L/C
Supply Ability: 5000pcs per month
Detail Information
Place of Origin:
China
Certification:
CE ,FCC ,UKCA
Rate Current:
8A
Weight:
120g
Protection Level:
IP67
Control Method:
PWM Smart Charging
Max. PV Voltage:
50V
Charging Stages:
5 Stage Charging
Display:
LED Indicator
Protection Functions:
Short Circuit, Reverse Polarity, Overcharge, Over-Temperature
Product Size:
104X65X23mm
Packaging Details:
brown box + our carton
Supply Ability:
5000pcs per month
Highlight:

PWM Solar Charge Controller Manual

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IP67 PWM Solar Charge Controller

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Small 12V Solar Panel Charge Controller

Product Description
Small Size IP67 PWM Solar Charge Controller Manual 24V 12V
Compact and Efficient Solar Power Management

The PWM Solar Charge Controller is a compact, lightweight solution measuring just 104×65×23mm and weighing 120g. Its IP67 waterproof rating makes it ideal for outdoor and marine applications, providing reliable performance in challenging environments.

Key Features
  • 8A rated current with 140W max 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 Current 8A
Max. Solar Power Input 140W (12V system), 280W (24V system)
Nominal Solar Input Voltage 15-22V DC
Battery Compatibility AGM, GEL, WET, LiFePO4 (12V/24V)
Operation Temperature -25°C to 50°C (-13°F to 122°F)
Dimensions 104×65×23mm
Weight 120g
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
Q: What size solar panel should be used with this controller?
A: Maximum recommended is 140W for 12V systems and 280W for 24V systems.
Q: Can I use a 24V solar panel to charge a 12V battery?
A: 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).
Q: Where should the controller be installed?
A: For maximum charging efficiency, install close to the battery.
Support & Services

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.

Compact Lightweight PWM Solar Charge Controller with LED Indicator for 12V/24V Systems 0
Ordering Information

Minimum order quantity: 100 units
Delivery time: 25 days
Monthly production capacity: 5,000 units