The ROCKSOLAR 20A MPPT Solar Charge Controller is a highly efficient solar charging solution for both Lithium and Lead Acid batteries. With a maximum open voltage of 55Vdc, MPP tracking efficiency of 99.5% and light control voltage of 5V, it is ideal for use in a variety of conditions. With its 3-stage charge algorithm and 12/24V nominal system voltage, this controller delivers a rated charging current of 20A and has a battery voltage range of 8-32V. The device also features a high voltage disconnection of 16V (24V x 2) and a low voltage disconnection of 10.8V. This device is designed to operate in a temperature range of -20°C to 55°C and is IP30 rated for protection.
- 20A MPPT Solar Charge Controller
- Compatible with Lithium and Lead Acid batteries
- The maximum open voltage of 55Vdc and MPP tracking efficiency of 99.5%
- 3-stage charge algorithm and 12/24V nominal system voltage
- Rated charging current of 20A and battery voltage range of 8-32V
- High voltage disconnection of 16V (24V x 2) and low voltage disconnection of 10.8V
- Operating temperature range of -20°C to 55°C
- IP30 rated for protection
|
Model |
POW-Keeper1220 |
|
PV Input |
|
|
Max Open Voltage of PV Module |
55Vdc |
|
MPP Tracking Efficiency |
99.50% |
|
Light Control Voltage |
5V |
|
Charge Mode |
|
|
Charge Algorithm |
3 Stage |
|
Battery Type |
Lithium and Lead Acid Battery |
|
Nominal System Voltage |
12/24V |
|
Rated Charging Current |
20A |
|
Battery Voltage Range |
8~32V |
|
High Voltage Disconnection |
16V (24V x 2) |
|
Duration for absorption charging |
2 hours |
|
Charge Loop Voltage Drop |
≤0.29V |
|
Self-consumption |
≤ 9.2mA 12V; ≤ 11.7mA 24V |
|
Equalized Charging Voltage |
AGM: 14.6V; GEL: No; FLd: 14.8V |
|
Absorption Charging voltage |
AGM: 14.4V; GEL: 14.2; FLd: 14.6V |
|
Floating Charging voltage |
AGM/ GEL/ FLd: 13.8V |
|
Low Voltage re-connection (LVR) |
AGM/ GEL/ FLd: 12.6V |
|
Low Voltage Disconnection (LVD) |
AGM/ GEL/ FLd: 10.8V |
|
Environmental |
|
|
Operating Temperature Range |
-20℃~55℃ (To run at full rated current continuously) |
|
LCD Temperature Range |
-20℃~70℃ |
|
Humidity Range |
≤95% No condensation |
|
General Specification |
|
|
Protection Class |
IP30 |
|
Dimension |
123*178*48 |
|
Installation Hole |
108*120 ∅5 |
What type of batteries is the ROCKSOLAR 20A MPPT Solar Charge Controller compatible with?
The controller is compatible with both Lithium and Lead Acid batteries.
What is the maximum open voltage of the PV module for the controller?
The maximum open voltage of the PV module for the controller is 55Vdc.
What is the MPP tracking efficiency of the controller?
The MPP tracking efficiency of the controller is 99.5%.
What is the nominal system voltage of the controller?
The nominal system voltage of the controller is 12/24V.
What is the battery voltage range for the controller?
The battery voltage range for the controller is 8-32V.
What is the operating temperature range for the controller?
The operating temperature range for the controller is -20°C to 55°C.
What is the protection rating of the controller?
The protection rating of the controller is IP30.