The Felicity 45 A charge controller is an MPPT (Maximum Power Point Tracking) type solar controller designed to efficiently regulate and optimize the energy from your solar panels into your battery bank
Specifications
- • Model: Felicity 45 A MPPT (often SCCM4548) 
- • Rated Battery Charge Current: 45 A maximum 
- • System Voltage: 12 V / 24 V / 48 V DC (automatic detection) 
- • Maximum Solar Input Voltage (Voc): Up to ~145 V DC 
- • PV Array MPPT Voltage Range (typical):
- • 12 V system: ~15–115 V DC
- • 24 V system: ~30–115 V DC
- • 48 V system: ~60–115 V DC 
- • Maximum Solar Input Power:
- • 12 V: ~625 W
- • 24 V: ~1250 W
- • 48 V: ~2500 W 
- • MPPT Efficiency: ≥ 98 % (high conversion efficiency) 
- • Charging Stages: Three-stage charging (Bulk → Absorption → Float) for optimized battery health and performance 
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- 🔋 Battery & Charging Features
- • Battery Types Supported: Lead-acid, AGM, Gel, Lithium (often lithium requires manual voltage setup) 
- • Automatic Battery Voltage Detection: Yes (auto switches between 12/24/48 V) 
- • Temperature Compensation: Yes (optimizes charging to suit battery temperature) 
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- 🛡️ Protection & Safety
- Includes multiple protections to safeguard the controller and batteries:
- • Over-voltage protection
- • Over-current protection
- • Over-temperature protection
- • Reverse polarity protection
- • Overcharge and short-circuit protection 
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- 📟 Display & Monitoring
- • LCD display: Real-time display of system status, battery voltage, charging current, and fault alerts (varies by model/variant) 
- • Communication ports: Some models include MODBUS/SNMP communication for remote monitoring and integration with system monitoring tools 
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- 📏 Physical & Environmental
- • Dimensions: ~283 × 160 × 105 mm (typical indoor unit) 
- • Weight: ~4.0 kg 
- • Cooling: Natural convection (fan-less design or vented) 
- • Operating Ambient Temp: ~0 °C to +50 °C 
- • Storage Temp: ~-40 °C to +75 °C 
- • Humidity: up to ~90 % RH (non-condensing) 
- • Enclosure: IP31 (indoor, ventilated) 
