Marine Solar Charge Controllers Smart2 30A Solar MPPT Battery Charger Controller DC 12V/24V/48V
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 unit
- Supply Capability:
- 9999 unit/month
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Smart2 30A Solar MPPT Battery Charger Controller
More Pictures
LAN/RS232 connecting
Upper PC software (real time monitor)
Application
Feature
1. MPPT charging mode, conversion efficiency upto 99%
2. Maximum PV input voltage up to DC150V
3. RS232 and LAN communication port
4.Discharge mode: ON/OFF mode, double time control mode, PV voltage control mode, PV voltage+time delay mode.
5.LCD and LED show various parameters
6. Controllers can be connected in unlimited parallels
7. CE,RoHS, FCC certification approved
8. 2 years warranty, lifelong free technical service.
Parameter
| Model:I-P-SMART2-20A/25A/30A -series | 20A | 25A | 30A | ||
| Charge Mode | Maximum Power Point Tracking | ||||
| Method | 3 stages: fast charge(MPPT),constant voltage, floating charge | ||||
| System Type | DC12V/24V/48V | Automatic recognition | |||
| PV Modules Utilization Rate | 12V/24V/48Vsystem | ≥99% | |||
| Input Characteristics | |||||
| MPPT Working Voltage and Range | 12V system | DC18V~DC150V | |||
| 24V system | DC34~DC150V | ||||
| 48V system | DC65~DC150V | ||||
| Input Overvoltage Protection Point | 12V/24V/48V system | DC150V | |||
| Max. PV Power | 12V system | 286W | 357W | 429W | |
| 24V system | 572W | 715W | 858W | ||
| 48V system | 1144W | 1430W | 1716W | ||
| Output Characteristics | |||||
| Selectable Battery Types | 12V/24V/48Vsystem | Sealed lead acid, vented, Gel, NiCd battery | |||
| (Default type is GEL battery) | (Other types of the batteries also can be defined) | ||||
| Rated Output Current | 12V/24V/48V system | 20A | 25A | 30A | |
| Physical | |||||
| Pc (communication port) | RS232 or LAN | ||||
| Measurement D*W*H(mm) | 220*165*70mm | ||||
| N.G(kg) | 2kg | ||||
| Color | Blue/Green/OEM (optional) | ||||
| Safety | CE, RoHS,FCC | ||||
Certifications |
F&Q: |
Q1. How to ensure and monitor the products quality?
A1: We have established a perfect Quality Management System, In strict
accordance with ISO9001: 2008 quality system and ISO14001 environment system for quality assurance management;
Our ISO9001:2008 Quality System certificate encoding: CHIN/TW/QMS/00119;
Our ISO14001 Environment System certificate encoding: CHIN/TW/EMS/00028;
Q2. What is the warranty of products?
A2: The warranty period of different products are different; 5 years, 3 years, 2 years, 1 years; More details please refer to the product specification or manual; we will provide free life-long technical support ;
Q3. What is the difference between MPPT&PWM?
A3. MPPT charging mode, peak efficiency up to 99%, saving 30%~60% solar panel than traditional PWM controller.
- Q: How do I determine the maximum solar panel input current for a solar controller?
- In order to determine the maximum solar panel input current for a solar controller, several factors must be considered and calculations need to be performed. The following steps outline the process: 1. Begin by checking the specifications of your solar controller. The manufacturer typically provides product specifications that include the maximum solar panel input current. Look for the "Max Input Current" or "Max PV Current" rating. This value represents the highest current that the solar controller can handle. 2. Next, determine the maximum current rating of your solar panels. This information is usually available in the specifications or datasheet of the panels. Look for the "Imp" (maximum power current) or "Isc" (short-circuit current) rating. This value represents the maximum current that the solar panels can generate under optimal conditions. 3. Take into account the total number of solar panels in your system. If you have multiple panels connected in series or parallel, you must consider the combined current they generate. In series connections, the current remains the same, while in parallel connections, the currents add up. 4. Check the voltage compatibility. Make sure that the voltage output of your solar panels aligns with the voltage input range of your solar controller. If the voltages do not match, you may need to use a voltage converter or select a different solar controller. 5. Perform the necessary calculations. Multiply the maximum current rating of a single solar panel (Imp or Isc) by the number of panels in the system. If you have parallel connections, add up the currents. For series connections, the current remains the same. 6. Compare the calculated current with the maximum input current rating of the solar controller. If the calculated current is lower than or equal to the maximum input current rating of the solar controller, it is compatible. However, if the calculated current exceeds the maximum input current rating, you will need to either reduce the number of panels or choose a different solar controller with a higher input current rating. Always refer to the product manuals, datasheets, or contact the manufacturer for accurate and specific information regarding your solar panels and solar controller.
- Q: What is the role of a solar controller in preventing battery freezing?
- The role of a solar controller in preventing battery freezing is to regulate the charging and discharging of the battery based on its temperature. It monitors the battery temperature and adjusts the charging voltage accordingly to prevent overcharging in cold temperatures, which can lead to freezing. By ensuring that the battery is charged at the correct voltage, the solar controller helps maintain the battery's temperature within a safe range, preventing freezing and potential damage to the battery.
- Q: Are there any maintenance requirements for solar controllers?
- Yes, solar controllers typically have minimal maintenance requirements. It is recommended to regularly inspect and clean the solar controller to ensure there are no obstructions or buildup that could affect its performance. Additionally, checking the connections and wiring for any loose or damaged parts is advisable. Overall, solar controllers are designed to be durable and require very little maintenance.
- Q: Can a solar controller be used with a solar microinverter system?
- Yes, a solar controller can be used with a solar microinverter system. The solar controller helps regulate and manage the flow of energy from the solar panels into the microinverters, ensuring optimal performance and efficiency of the system.
- Q: How does a PWM solar controller regulate the charging process?
- A PWM solar controller regulates the charging process by using a Pulse Width Modulation (PWM) technique to control the amount of energy being delivered from the solar panels to the battery. The controller constantly monitors the battery voltage to determine its state of charge. When the battery is low, the controller allows the maximum amount of current to flow from the solar panels to the battery. As the battery voltage increases and reaches a certain threshold, the controller starts reducing the current flow to prevent overcharging. The PWM technique works by rapidly switching the solar panel's output on and off. The duration of the on and off cycles is controlled in a way that the average voltage supplied to the battery matches its requirements. By adjusting the duty cycle of the switching, the controller regulates the charging current. During the on cycle, the solar panel delivers energy to the battery. When the battery voltage reaches the desired level, the controller switches off the current flow to the battery during the off cycle. This process is repeated continuously to maintain the battery at the optimal charging level. The advantage of using a PWM solar controller is that it provides a more efficient charging process compared to traditional controllers. It allows for a higher charging current during the initial stages when the battery is deeply discharged, ensuring a faster charging time. As the battery voltage increases, the controller gradually reduces the charging current to prevent overcharging and prolong the battery's lifespan. In summary, a PWM solar controller regulates the charging process by controlling the duration of the on and off cycles of the solar panel's output. This technique ensures that the battery is charged efficiently and prevents overcharging, maximizing the battery's performance and lifespan.
- Q: What is the role of a solar controller in preventing battery over-discharge?
- The role of a solar controller in preventing battery over-discharge is crucial in maintaining the health and longevity of the battery. A solar controller, also known as a charge controller, is an essential component in a solar power system. Its primary function is to regulate the charging process from the solar panels to the battery bank. However, it also plays a vital role in preventing battery over-discharge. When the solar panels generate electricity, the solar controller monitors the battery's state of charge (SOC) and prevents it from being excessively discharged. It does so by measuring the voltage level of the battery. Once the battery voltage reaches a specific threshold, indicating a low SOC, the solar controller automatically disconnects the load from the battery. This prevents any further discharge, protecting the battery from over-discharge, which can lead to permanent damage or reduced capacity. Additionally, many solar controllers have programmable settings that allow the user to set the voltage thresholds at which the load is disconnected and reconnected. This feature enables customization based on the specific battery type and user preferences. In summary, the role of a solar controller in preventing battery over-discharge is to monitor the battery's voltage level and disconnect the load when it reaches a predefined low threshold. By doing so, it safeguards the battery from excessive discharge, ensuring its longevity and optimal performance.
- Q: Can a solar controller be used with a solar-powered billboard or signage?
- Yes, a solar controller can be used with a solar-powered billboard or signage. A solar controller is used to regulate and optimize the charging and discharging of batteries in a solar power system. In the case of a solar-powered billboard or signage, the solar controller helps to manage the flow of electricity from the solar panels to the batteries, ensuring efficient and reliable power supply for the signage.
- Q: How does a solar controller handle variations in battery temperature?
- In a solar power system, the purpose of a solar controller is to effectively manage and regulate the charging process of a battery. To handle fluctuations in battery temperature, a solar controller utilizes several key mechanisms to ensure optimal charging performance and prolong battery life. To begin with, the battery temperature is constantly monitored by the solar controller through built-in temperature sensors. These sensors either measure the surrounding temperature or directly sense the battery temperature to determine its current state. By continuously monitoring the temperature, the controller can adjust its charging parameters accordingly. When the battery temperature drops too low, the solar controller can activate a temperature compensation feature. This feature increases the charging voltage to counteract the reduced battery capacity caused by low temperatures. By elevating the charging voltage, the controller ensures that the battery receives an adequate charge and prevents undercharging. On the other hand, if the battery temperature becomes excessively high, the solar controller safeguards the battery from overheating. This is achieved by reducing the charging voltage or current to prevent the generation of excessive heat. By limiting the charging parameters, the controller prevents any potential damage or accelerated aging that can result from high temperatures. Furthermore, some advanced solar controllers may integrate additional features to address variations in battery temperature. For example, they may include an integrated fan or heat sink to dissipate any excess heat generated during the charging process. This helps to maintain the battery within the optimal temperature range and prevent any potential harm. In conclusion, a solar controller effectively manages variations in battery temperature by closely monitoring it and adjusting the charging parameters accordingly. By compensating for low temperatures and protecting against high temperatures, the controller ensures that the battery is optimally charged and maintains its longevity.
- Q: What is the maximum load power consumption of a solar controller?
- The specifications and capabilities of a solar controller typically determine its maximum load power consumption. Solar controllers are designed to regulate the charging and discharging of batteries in a solar power system. The maximum load power consumption refers to the safe amount of power that can be drawn from the controller to power connected devices or loads. Different models and brands of solar controllers can have varying maximum load power consumption. Factors such as the controller's maximum current rating, voltage rating, and any specific limitations mentioned by the manufacturer determine the exact value. To calculate the maximum load power consumption, you must consider the maximum current and voltage ratings. Multiply these values to determine the maximum wattage that the controller can handle without exceeding its specifications. For instance, if a solar controller has a maximum current rating of 20 amps and a maximum voltage rating of 12 volts, the maximum load power consumption would be 240 watts (20 amps multiplied by 12 volts). It is important to be aware that surpassing the maximum load power consumption of a solar controller can potentially harm the controller or cause it to malfunction. Therefore, it is crucial to carefully assess the power requirements of the loads connected to the solar controller and ensure they fall within the specified limits for proper operation and longevity of the system.
- Q: What is the maximum load power consumption in standby mode of a solar controller?
- The maximum load power consumption in standby mode of a solar controller can vary depending on the specific model and manufacturer. However, it is typically quite low, ranging from a few milliwatts to a few watts. This low power consumption is essential to minimize energy wastage and ensure the efficient operation of the solar controller. By keeping the load power consumption low in standby mode, the solar controller can conserve energy and extend the overall lifespan of the system.
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Marine Solar Charge Controllers Smart2 30A Solar MPPT Battery Charger Controller DC 12V/24V/48V
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 unit
- Supply Capability:
- 9999 unit/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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