Melin Sunergy MT504-8A 8A PWM Solar Charge Controller with 5-Stage Smart Charging for 12V/24V Systems - IP67 Waterproof
Advanced 5-stage smart charging technology with IP67 waterproof rating for reliable performance in demanding environments including RV, marine, and camping applications.
The MT504-8A utilizes PWM (Pulse Width Modulation) technology to efficiently regulate power output through rapid switching while maintaining constant voltage operation. This ensures optimal energy transfer from solar panels to battery systems.
- Soft Start: Gentle charging initiation when battery voltage is low
- Bulk Charge: Maximum current delivery for rapid charging
- Absorption Charge: Voltage regulation to prevent overcharging
- Equalization Charge: Prevents battery sulfation during extended use
- Float Charge: Maintenance charging for long-term battery health
Compatible with AGM, GEL, WET, and LiFePO4 lithium batteries. Easily select battery type using the DIP switch on the back for optimal charging performance.
- Overcharge protection
- Input and output reverse polarity protection
- Short circuit protection
- Over-temperature protection
| Specification | Value |
|---|---|
| Rated Current | 8A |
| Max. Solar Power Input | 140W |
| Nominal Solar Input Voltage | 15-22V DC |
| Max. Solar Input Voltage | 25V DC |
| IP Rating | IP67 |
| Dimensions | 104×65×23mm |
| Weight | 120g |
| Operation Temperature | -40°C to +85°C (-40°F to +185°F) |
CE, FCC, and UKCA certified with 2-year warranty. Comprehensive technical support includes installation guidance, system troubleshooting, and design optimization services.
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