BRAVO Waterproof 20 | 20 Amp Waterproof PWM Solar Charge Controller | Waterproof 20A 12V PWM Controller for RVs, Trailers, Campers, Vans, Boats, Off-Grid | #1 Waterproof Solar Controller

Features

Intelligent Battery Charging

• PWM + MOSFET Charging Technology: Delivers efficient and stable battery charging.
  
• Intelligent Multi-Stage Charging: Smart charging control for optimized battery performance.
  
• External Temperature Sensor Ready: Supports an optional BTS for automatic temperature compensation.
  
• Automatic BMS Activation: Reactivates protected lithium batteries automatically.

Flexible System Compatibility

• 12V Battery System: Designed for 12V battery systems.
  
• Supports Multiple Battery Types: Compatible with Flooded (WET), AGM, GEL, Calcium, and lithium batteries.
  
• 25V Max Solar Input Voltage: Supports solar panel configurations with up to 25V PV input.
  
• Common Positive Grounding: Compatible with common positive grounding systems.

Built for Outdoor Use

• IP65 Waterproof Design: Built for reliable outdoor operation in harsh environments.
  
• Conformal Coated Circuit Board: Protects internal electronics against moisture and corrosion.
  
• Spark-Free Connection: Prevents sparks during battery connection for safer installation.

Reliable Performance

• Advanced Electronic Protection: Protects against over-voltage, short circuit, reverse polarity, and over-temperature.
  
• Thermal Protection: Helps prevent overheating during operation.
  
• CE, EMC & FCC Compliant: Meets recognized safety and electromagnetic compatibility standards.

Mounting the Device

• The quickest and easiest way to mount the unit is to use the three plastic spacers and self-tapping screws supplied and mount the unit to a flat surface.

Specifications

Electrical Parameters

• Rated solar panel amps: Max. 20AMP
• Normal input solar cell array voltage: 15-22VDC
• Max. solar cell array voltage (output has no load): 25VDC
• Lowest operating voltage (at solar or battery side): 8VDC
• Standby current consumption at night: 5mA
• Maximum voltage drop-solar panel to battery: 0.25VDC
• Grounding: Positive Ground

Charging Characteristics

• Minimum battery start charging voltage: 3VDC
• Soft start charging voltage: 3-10±0.2VDC
• Soft start charging current (50% PWM duty): Up to 10AMP
• Equalization charging voltage at 25 ℃: 15.5±0.2VDC
• Equalization charging timer timeout: 2 Hours
• Battery temperature compensation coefficient: -24mV/°C
• Temperature compensation range: -4°F~+122°F

Protection

• Over temperature protection during charging: 149°F

Electrical Parts

• Input-output terminal: M5 terminals

Physical Parameters

• Controller material: Plastic, Standard ABS
• Power terminal maximum stranded wire size: #10AWG stranded-5mm²
• Mounting: Vertical wall mounting
• IP grade: IP65
• Net weight: Approx. 0.3kg/0.66lb

Environmental Characteristics

• Operating temperature: -25~50°C (-13～122℉)
• Storage temperature: -40~85°C (-40～185℉)
• Operating Humidity range: 100% no condensation