· Smart MPPT technology, high efficiency
· Backlit LCD displaying system operating information and error codes
· LCD display design, read operating data and working condition easily
· LED Bar for easy to read charge state and battery information
7 Battery Type Compatible Lithium-ion, LiFePO4, LTO, Gel, AGM, WET, and Calcium
· Waterproof design, suitable for indoor or outdoor use
· Support Android mobile phone APP, realize wireless monitoring function of solar controller
· Use high performance, ultra-low power consumption Bluetooth dedicated chip
· Adopt Bluetooth 4.2 and BLE technology, communication distance up to 10m
· Real-time automatic fault alarm
· External temperature sensor optional, automatic temperature compensation
· Built-in temperature sensor, when the temperature exceeds the set value, the charging current will lower down followed by the decrease of temperature, so as to control the controller's temperature rise
· Four stages charge way: Fast, boost, equalization, float
· With current-limiting charging mode, when the power of solar panel is over-sized and charging current exceeds the rated current( ≤60% of rated current), the controller will lower the charging power, which enables the system to work under the rated charging current
· Perfect EMC & thermal design
· Full automatic electronic protect function
Parameters:
| Item | Win1575-K | Win2075-K | |
| Battery Parameters |
Battery type | Gel, AGM, Liquid, Lithium (default: Gel) | |
| System voltage | 12/24V automatical recognization | ||
| Max charging current | 15A | 20A | |
| MPPT charging voltage | before boost or equalization charging stage | ||
| Boost voltage | 14.0~14.8V/28.0~29.6V (default:14.5/29.0V@25℃) | ||
| Equalization voltage | 14.0~15.0V/28.0~30.0V (default:14.8/29.6V@25℃) | ||
| Float voltage | 13.0~14.5V/26.0~29.0V (default:13.7/27.4V@25℃) | ||
| Low voltage disconnect | 10.8~11.8V/21.6~23.6V (default: 11.2/22.4V) | ||
| Low voltage reconnect | 11.4~12.8V/22.8~25.6V (default: 12.0/24.0V) | ||
| Temperature compensation | -4.17mV/K per cell (Boost, Equalization), -3.33mV/K per cell (Float) | ||
| Charging target voltage | 10.0~32.0V (Lithium, default: 14.4/28.8V) | ||
| Charging recovery voltage | 9.2~31.8V (Lithium, default: 14.0/28.0V) | ||
| Low voltage disconnect | 9.0~30.0V (Lithium, default: 11.0/22.0V) | ||
| Low voltage reconnect | 9.6~31.0V (Lithium, default: 12.0/24.0V) | ||
| Max volt on bat. terminal | 35V | ||
| Panel Parameters |
Max voltage on PV(-20℃) | 75V*1 | |
| Max voltage on PV(25℃) | 70V | ||
| Max input power | 200/400W | 260W/520W | |
| MPPT tracking range | (Battery Voltage+1.0V)~Voc*0.9 *2 | ||
| Max conversion efficiency | 97.0% | ||
| Dimensions | 108.6*143*28.1mm | 108.6*164.2*31.5mm | |
| Weight | 557g | 706g | |
| Communication | BLE(Selectable) | ||
| Grounding | Negative grounding | ||
| Power terminals | 10AWG (5mm2) | ||
| Ambient temperature | -20~+55℃ | ||
| Storage temperature | -25~+80℃ | ||
| Ambient humidity | 0~100%RH | ||
| Protection degree | IP54 | ||
| Max Altitude | 4000m | ||
Win2075-K: 20A MPPT, small size, IP54, and with Bluetooth, without load management.
All the cover is metal, glued inside, there are some LED indicators for the battery capacity, and other two LED indicators for PV panel charging and battery warning indication. Two types external temperature sensor(80mm or 3m) for choosing. Download the APP from the mobile phone store to use the Bluetooth function.
1. Temperature sensor. It can be used for measuring the temperature. If it's not connected or damaged, the internal temperature will be used for compensation during charging.
2. Bluetooth communication, which has many advanced characteristics. Our software can support Android APP and IOS APP, so that customers can monitor or check the working status about the solar controllers and system. We adopt Bluetooth 4.4 and BLE technology for this new controllers, and its communication distance can be more than 10m. (You can refer to the detailed Bluetooth APP manual to get more information and instruction for the detailed usage.)
You also can know the information via the controller's big LCD. There're backlit LCD (displaying system operating information), solar panel indicator (Indicating the PV's working status), battery indicator, key (setup and view the operating parameters), battery capacity indicator (display current capacity of battery, Temperature sensor port (collecting temperature information/ compensation information), solar module terminals, battery terminals. Win series solar regulators can help you steady and protect the charging and discharging situation of your battery.
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