20A Digital Solar Charge Controller with 5-Stage Charging 380W 12V 760W 24V for LiFePO4 Batteries
Price:
Negotiable
MOQ:
100
Delivery Time:
25 days
Brand:
Melin Sunergy
Product Description
MT515 Digital Solar Charge Controller Overview
The MT515 Digital 20A Solar Charge Controller is a high-efficiency PWM controller with MCU control technology, engineered for 12V or 24V solar power systems. This advanced controller extends battery life and optimizes charging performance through comprehensive protection and monitoring capabilities.
Key Features & Technical Advantages
- PWM technology with MCU control for maximum charging efficiency
- LCD+LED display for real-time monitoring of charging status
- BMS wake up functionality specifically for LiFePO4 batteries
- IP67 rated for complete dust and water resistance
- 5-stage charging process: Soft Start, Bulk, Absorption, Equalization, Float
- Multi-battery compatibility: AGM, GEL, WET, Calcium, LiFePO4, LTO
- Auto-detection for 12V/24V battery systems
- Built-in temperature compensation function
- Comprehensive 2-year warranty coverage
Technical Specifications
| Specification | Details |
|---|---|
| Item Number | MT515-20A |
| Rated Current | 20A |
| Maximum Solar Power Input | 380W @ 12V system / 760W @ 24V system |
| Nominal Solar Input Voltage | 15~44V DC |
| Maximum Solar Input Voltage | 50V DC |
| Charging Stages | 5 Stage Charging |
| Protection Features | Over Charge, Reverse Polarity, Short Circuit, Over temperature |
| IP Rating | IP67 |
| Dimensions | 130×102×35mm |
| Weight | 250g |
| Operation Temperature | -25~50℃ / -13~122℉ |
Application Scenarios
Ideal for off-grid power systems, RVs, boats, and other applications requiring reliable solar charging. The controller's 20A capacity and 50V maximum input voltage make it suitable for larger solar installations with various battery types.
Frequently Asked Questions
What information is displayed on the LCD screen?
The LCD displays connection status, charging process, real-time voltage/current, AH charged, battery type setting, and fault codes if errors occur.
What is the maximum charging current?
The controller supports up to 20A charging current, suitable for batteries up to 200Ah.
What happens if I connect the wiring incorrectly?
The controller includes full protection against reverse polarity (input/output), short circuit, over voltage, and over temperature. It will protect immediately and resume charging once correctly wired.
What is the minimum order quantity?
The minimum order quantity is 100 units.
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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