ROCKSOLAR 20A MPPT Solar Charge Controller
ROCKSOLAR 20A MPPT Solar Charge Controller
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.
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- 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 |
Yes, A clear LCD display displays all of the solar charging and battery information, allowing you to avoid guesswork. You can easily program your desired configuration.
Suitable for solar setups using AGM, GEL, Lithium-ion, and LiFePo4 batteries. Our controller properly connects your solar panels to your batteries to provide the most efficient charging process
Our controller provides short-circuit, reverse, over-load, overcharge, and low voltage protections for ensuring maximum safety for your solar setup. 1 Year warranty for all our ROCKSOLAR products.








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