20A 12/24V Solar Charge Controller Anti Reverse Protection SSM20A
Product Description
Functional characteristics:
1. System voltage automatic identification
2. Design of high speed and high performance 32 bit processor
3. Excellent heat dissipation and EMC design
4. Using MPPT and PWM two charging mode, effectively improve the charging efficiency of the battery board.
5. The use of large screen LCD LCD display and dual key man-machine interface, complete menu display and operation
6. User-friendly browsing interface, user-friendly operation
7. Using power MOSFET as a switch, there is no mechanical switch
8. Intelligent battery power indicator to facilitate the user to view the status of the battery
9. Lead acid seals, colloids, openings and user selectable charging procedures
10. External temperature sensor with high precision temperature compensation
11. Parameter settings power down save function, no need to repeat settings, easy to use
12. With intuitive LED display, allowing users to understand the solar energy, the running state of the load
13. With over charge, over discharge, overload protection, and electronic short circuit protection and anti back protection of battery.
14. Lightning protection.
Product Specification:
| Mode | SSM20A | ||||
| Maximum open circuit voltage | <100V | ||||
| MPPT voltage range | 13V~100V(12V) ; | ||||
| 26V~100V(24V) ; | |||||
| Maximum input current | 20A/30A/40A | ||||
| Maximum discharge current | 20A30A/30A | ||||
| Solar energy | 12V | 240W/360W/480W | |||
| Maximum input power | |||||
| 24V | 480W7200W/960W | ||||
| Battery type adjustable | Support for lead acid, gel, opening and lithium battery (self setting). | ||||
| Charge cutoff voltage | (GEL) | (open) | (SELF) | ||
| (24V*2)(36V*3) | (SEAL) | ||||
| boost | 14.6V ±1.% | 14.2V ±1% | 14.8V ±1% | 14.0V ±1% | |
| Charging voltage | (default) | ||||
| Balance charge voltage | 14.4V ±1% | 14.2V ±1% | 14.6V ±1% | ||
| Float charging voltage | 13.8V ±1% | 13.8V ±1% | 13.8V ±1% | ||
| Charge return voltage | 13.3V ±1% | 13.3V ±1% | 13.3V ±1% | ||
| Charging mode | MPPT or DCDC（Adjustable） | ||||
| Maximum charging efficiency | MPPT mode：96% | ||||
| Battery plate high voltage protection | Battery voltage is greater than 200V, stop charging; automatic recovery of 1 minutes | ||||
| Over current | 1.1 times rated current, stop charging; auto recovery for 1 minutes | ||||
| protection | |||||
| Load mode | Pure lighting control mode, control mode and control overtime household mode (adjustable) | ||||
| under voltage protection | 10.8V/21.6V ±1%（adjustabl） | ||||
| under voltage recovery | 12.8V/25.6V±1%（adjustabl） | ||||
| overload protection | 1.5 times rated current 3S overload protection action, automatic recovery of 1 minutes | ||||
| Output short circuit protection | Hardware protection automatic recovery of 10 minutes | ||||
| Controller high temperature protection | The temperature of the radiator is higher than 65 DEG C to stop charging and discharging, and the temperature is reduced to a temperature of 45 DEG C to recover the charge and discharge. | ||||
| Exterior dimension | 186 x 148 x64.5 mm/1.25KG | ||||
| working temperature | -25℃~+60℃ | ||||
| Storage temperature | -30℃~+70℃ | ||||
| Humidity requirement | <=90%,No condensation | ||||
| Protection level | IP30 | ||||
| Altitude | <=2000m(2000mAbove altitude need to reduce power use） | ||||
| Connection mode | Terminal | ||||
| Mounting wire | <=7# AWG (16mm²) | ||||
| Circuit Tuo | Buck(Common cathode） | ||||
| Remote monitoring function | RS232 Matching | ||||