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Solar charge controller is an advanced Maximum Power Point Tracking battery charger for Photo-Voltaic (PV) systems. The controller features a smart tracking algorithm that maximizes the energy harvest from the PV and also provides load control to prevent over-discharge of the battery.
There are a number of protections that the Solar Charge Controller ensures. Solar Charge Controller stops reverse current flow from battery to solar array, it provides load short circuit protection, it provides Battery/Panel reverse protection through DC fuse and Overload protection also.Solar charge controller is an advanced Maximum Power Point Tracking battery charger for Photo-Voltaic (PV) systems.
The Solar Charge Controller feeds the battery installed to it a constant boost charging current until its voltage reaches 14.2V and the float current (which is very close to zero) then maintains this voltage above 13V. Thus reducing the float current ( flowing for the longest period during the entire process) to zero, ultimately resulting in much enhanced battery life keeping it fully charged simultaneously.
[Top]There are a number of protections that the Solar Charge Controller ensures. Solar Charge Controller stops reverse current flow from battery to solar array, it provides load short circuit protection, it provides Battery/Panel reverse protection through DC fuse and Overload protection also.
The Solar Charge Controller senses the point of maximum power available in the panel and charges the battery with this maximum power. Therefore, the battery is always charged with maximum possible power at any given time.
Solar Charge Controller is very highly reliable. This is due to the various protections, as discusssed above, included in it.
Solar Charge Controller is very small in size and thus it also reduces the overall size of the system.
| PARAMETERS | 10A/12A-12V | 20A-12V |
|---|---|---|
| ELECTRICAL | ||
| Technology | MPPT | MPPT |
| Precise Control | Microcontroller based design | Microcontroller based design |
| Voltage Rating | 12V Battery | 12V Battery |
| Charging Condition | FLOAT:14.5V; BOOST: 14.5V; TRICKLE: 13.5V | FLOAT:14.5V; BOOST: 14.5V; TRICKLE: 13.5V |
| Charging Mode | 10A/12A | 20A |
| Equalization period | Auto Equalize after every 28 days | Auto Equalize after every 28 days |
| Battery Low Discharge alarm | <11.2V Battery | <11.2V Battery |
| Battey Low Voltage Load Disconnect | <10.8V Battery | <10.8V Battery |
| Battery Deep Discharge cut recovery | Auto when PV>18V | Auto when PV>18V |
| Panel Low Cut | < Battery Voltage (Approx. 14V) | < Battery Voltage (Approx. 14V) |
| Panel Low Cut Recovery | >18V Battery | >18V Battery |
| PROTECTIONS | ||
| Over Current For Load | System will shut down when Load is >200% | System will shut down when Load is >200% |
| Panel/Battery Reverse | Provided through DC Fuse | Provided through DC Fuse |
| Reverse Current Flow From Battery to Solar Array | Provided | Provided |
| Load Short Circuit | Provided through DC Fuse | Provided through DC Fuse |
| INDICATIONS | Panel ON | Panel ON |
| Overload | Overload | |
| Charging ON | Charging ON | |
| Battery Level (HIGH/MEDIUM/LOW) | Battery Level (HIGH/MEDIUM/LOW) | |
| BUZZER | ||
| Load >100% | continuous | continuous |
| Load 101% to 120% | 1 Min. OFF; 10 Min. ON; | 1 Min. OFF; 10 Min. ON; |
| Load 121% to 150% | 1 Min. OFF; 30 Sec. ON | 1 Min. OFF; 30 Sec. OFF |
| Load 151% to 200% | 1 Min. OFF; 2 Sec. ON | 1 Min. OFF; 2 Sec. ON |
| >200% | 1 Min. OFF; 1/2 Sec ON. | 1 Min. OFF; 1/2 Sec. ON |
