Shenzhen Melin Sunergy Co., Ltd.
                                                                                                           
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13 Years
Since 2013
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RV MPPT Solar Charge Controller with 5 Stage Charging 12V/24V/36V/48V System Voltage and 99.5% MPPT Tracking Efficiency

Price Negotiable
Price: Negotiable
MOQ: 100
Delivery Time: 25 days
Brand: Melin Sunergy
Product Description
LCD Display 5 Stage RV Solar Charge Controller 12V/24V/36V/48V AGM GEL WET Calcium LiFePO4 LTO LCO
Product Description
The MT518 series controller employs industry-leading MPPT technology to achieve maximum efficiency for solar panel systems. It accurately tracks the maximum power point of solar arrays under any condition, utilizing maximum panel energy in real time to significantly improve PV system efficiency. As a core control component in off-grid PV systems, it manages power flow between solar panels and batteries.
With complete software and hardware fault detection and protection functions, the controller prevents damage from installation errors and system faults. Its IP43 rating provides dust and water protection for durability in RV, cabin, and off-grid applications. The optional Bluetooth feature enables system monitoring and adjustment via smartphone or tablet.
The controller handles maximum input voltage of 100V for safe operation with various solar panels, including high-wattage models. Its compact design (180×110×70mm, 680g) allows easy installation in motorhomes without occupying significant space.
Key Features
  • 5-stage charging process for optimal battery health
  • Protections: Overcharging, short circuit, reverse polarity
  • Maximum current: 10A with 560W PV power capacity at 48V
  • Auto-detection for 12V/24V/36V/48V battery systems
  • Compatible with Lead Acid (AGM, GEL, WET, Calcium) and Lithium (LiFePO4, LTO, LCO) batteries
  • Optional Bluetooth connectivity for remote monitoring
  • LCD + LED display for clear system status
Technical Specifications
Product Name MT518-10A RV MPPT Solar Panel Charge Regulator
Product Type Intelligent MPPT solar controller
Charging Stage 5 Stage
Rated Current 10A
Maximum PV Power 140W @12V, 280W @24V, 420W @36V, 560W @48V
System Voltage 12V/24V/36V/48V Auto-detection
Maximum Input Voltage 100V Voc
MPPT Efficiency 99.5%
Conversion Efficiency 98%
Battery Compatibility Lead Acid: AGM, GEL, WET, Calcium
Lithium: LiFePO4, LTO, LCO
Display LCD + LED
BMS Wake Up Yes
Bluetooth Included
IP Rating IP43
Dimensions 180×110×70mm
Weight 680g
Warranty 2 Years
Applications
The MT518-10A controller is ideal for off-grid power solutions in various scenarios:
  • RV and motorhome power systems
  • Camping and outdoor recreation
  • Remote cabins and shelters
  • Outdoor events and temporary installations
Packaging & Shipping
Package Includes: Controller unit, user manual, mounting hardware
Shipping: Processed in 1-2 business days with free US domestic shipping. International shipping available with additional fees. Products are securely packaged to prevent transit damage.
Frequently Asked Questions
Q: Do you accept OEM production?
A: We accept OEM production when minimum order quantities are met.
Q: What is the model number?
A: MT518-10A RV MPPT Solar Charge Controller.
Q: Where is this controller manufactured?
A: Manufactured in China to international quality standards.
Q: Does this controller support LiFePO4 batteries?
A: Yes, it supports all listed battery types including LiFePO4, LTO, and LCO lithium batteries.
Q: What is the minimum order quantity?
A: Minimum order quantity is 100 units.
MT518-10A RV MPPT Solar Charge Controller product photo

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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