Sell 12/24V Auto 20A MPPT Solar Charge Controller/Regulator for 250/500W LCD Display RS485 from china

Key specifications/special features
1. MPPT maximum tracking efficiency ≥99.5%
2. Dual-core (ARM CPU+DSP) control architecture improves the system response speed and optimizes the performance of the system 3. LCD displays data and state
4. Charge & discharge record of each day, month, year and total value 5. 4 battery type options: sealed, gel, flooded and user-defined 6. Programmable battery management parameters 7. Built-in running data and event logging maximum 15 months 8. Communication: RS232, RS485 with Modbus protocol, CAN bus extendable 9. PC software available for real time monitoring and parameter setting
10. Field up-gradable firmware 11. Multi-phase control technology, optimizes charging current smoothness, reduces ripple and improves the system efficiency
Electronic protections:
PV array short circuit/PV over current/PV over voltage/PV reverse polarity/Battery reverse polarity/Over charging
Overheating protection