Product Type :MPPT Solar Controller Product Series :MB Series System voltage :12/24/36/48VDC or self-identification Rated current :20A-30A Maximum working voltage :150V Product Briefing MB series solar controller 20A-30A adopts multi-phase synchronous rectification technology and advanced MPPT control algorithm, featuring fast response speed, high reliability and high industrial standard. industrialisation standard. Multi-synchronous rectification technology ensures extremely high conversion efficiency under any charging power environment, which greatly improves the energy utilisation of the solar system; advanced MPPT control algorithm is also adopted. Advanced MPPT control algorithm minimises the maximum power point loss rate and loss time, ensuring maximum power point tracking efficiency, response speed and high power conversion efficiency in small and large power bands. Advanced MPPT control algorithm minimises the maximum power point loss rate and loss time, ensuring the maximum power point tracking efficiency, response speed and high power conversion efficiency in both large and small power segments, which can quickly track to the maximum power point of the PV array and obtain the maximum energy of the solar panels under any environment. The maximum power of the solar panel can be quickly tracked in any environment. It operates at rated power in the full working temperature range and has the function of automatic power reduction for over-temperature charging; it has the function of double automatic limitation of rated charging current and power, which fully ensures that the product can be used in the full range of temperature and temperature. It has double automatic limiting function of rated charging current and power, which fully ensures the system stability of the product in over-temperature operation and access to excess PV modules as well as under high temperature operation. The LCD screen dynamically displays the operation status, The LCD screen dynamically displays the operation status, operation parameters, controller log, control parameters and so on. With over-charging, PV connection and other protection functions, effectively ensure that the solar power supply system is safer, more stable and more Long-term operation Performance characteristics Adaptive three-stage charging mode controlled by digital circuits, effectively prolonging battery life and improving system performance. Excellent MPPT high power point tracking technology, tracking efficiency not less than 99.5%. Unique circuit design provides high DC/DC conversion efficiency in both high and low power bands, up to 98.5% and 97% full load efficiency. Advanced MPPT control algorithms ensure that the maximum power point loss rate and loss time are minimised. Accurate identification and tracking of multi-peak maximum power points. Dual automatic limiting function of rated charging power & charging current. Provide multiple battery types, support maintenance-free, gel, liquid, lithium and other battery types charging. With settable battery temperature compensation function. With real-time power statistics and recording function. With high temperature charging automatic power reduction function. Built-in over-temperature protection mechanism ensures that when the temperature exceeds the set value of the device, the charging current decreases linearly with the temperature, thus reducing the temperature rise of the controller and avoiding high temperature. This reduces the temperature rise of the controller and avoids high temperature damage. With the photovoltaic panel input reverse connection and battery reverse connection protection function. Various sampling data are visualised on the screen for easy access. Maximum input PV voltage 150V, a wider range of maximum power point operating voltage, improve the utilisation rate of PV modules, applicable to a variety of commonly used solar panel specifications. Ultra-low power consumption power supply chip, reduce static standby energy consumption, reduce energy loss at night. Areas of application Widely used in home distributed power generation systems, remote communication sites, highway surveillance systems, marine and RV applications due to its excellent environmental adaptability. Technical parameters Model MB20415F MB30415F System voltage 12/24/36/48VDC OR Self-recognition Rated current 20A 30A Controller operating voltage range 11-64V Lead-acid battery type i Maintenance-free (default) / colloidal / liquid / customised Lithium Battery Type Lithium iron phosphate / lithium ternary / customised Rated charging current 20A 30A Rated charging power 260W/12V 390W/12V 520W/24V 780W/24V 780W/36V 1170W/36V 1040W/48V 1560W/48V Maximum open-circuit voltage of photovoltaic modules 150V(at the lowest temperature)138V(At 25°C) Maximum power point operating voltage range 12V systems 20~150VDC 24V systems 36~150VDC 36V systems 48~150VDC 48V systems 64~150VDC Tracking efficiency ≥99.5% Maximum conversion efficiency 97.5% Temperature Compensation Coefficient -3mV/ºC/2V Static loss 200mA/12V;100mA/24V;50mA/48V; DC Load Output Voltage Same as battery voltage Rated output current of DC load 20A DC Load Output Control Method normally open and normally closed mode protective function PV input anti-reverse connection protection, battery input reverse connection protection, overcharging protection undervoltage protection, over-temperature protection Heat dissipation method air cooling communication method RS485 Operating temperature range -20ºC~+50ºC Storage temperature range -40ºC~+70ºC Relative humidity range 0~90%RH
The company has exported solar products to more than 100 countries and won the customer's praise.
Read MoreWe are a company specializing in the R&D, sales, installation, operation, and maintenance of new energy products.
The main products include solar panels, solar inverters, PV systems, lithium batteries, gel batteries.
In recent years, the company has exported solar products to more than 100 countries.
We have skilled engineers and professional sales consultants who will provide customers with timely.
Longi, a global solar technology leader, has achieved a significant breakthrough in solar cell efficiency. On April 11, at its Wuhu base in Anhui, Longi announced that its independently developed Hybrid Interdigitated-Back-Contact (HIBC) crystalline silicon solar cells, certified by Germany's ISFH, reached a remarkable 27.81% photoelectric conversion efficiency. This is not Longi's first record-breaking achievement. In November 2022, it set a world record at 26.81%. By May 2024, the efficiency climbed to 27.3%, followed by consecutive breakthroughs to reach the current 27.81%. The HIBC cells, developed by Longi's Central Research Institute, innovatively restructure the cell and material system. This innovation brings dual improvements in optical management and carrier transport, paving the way for higher power density in photovoltaic modules. Longi's continuous pursuit of technological innovation drives the global photovoltaic industry forward. This new world record demonstrates Longi’s commitment to value creation and energy transformation. For any solar energy solutions, please contact us for professional support.⇒ Feel free to contact us at any time, and we will provide you with 24-hour warm service!
Read MoreAs energy costs rise and decarbonization goals drive demand, commercial and industrial (C&I) businesses are embracing solar-storage integration to cut costs and boost resilience. But what makes a solution “superior”? We break down critical factors for high-performance systems. Technology Synergy: Maximize Efficiency A top solution starts with compatible solar and storage tech. Mismatched components (e.g., inverters, batteries) can reduce performance by 20%. Prioritize: High-efficiency panels (monocrystalline/TOPCon, 22–26% efficiency) for space-constrained sites. LiFePO4 batteries (4,000+ cycles) for safety and longevity; solid-state options for 5,000+ cycles in long-term projects. Bidirectional inverters with smart MPPT to balance energy flow and minimize losses.Look for third-party certifications (TÜV/UL) for plug-and-play compatibility. Custom Design: Match Your Load Profile No two businesses are the same. Design must align with: Load analysis: Map peak hours/seasonal use to size storage correctly (avoid over/under-sizing). Self-consumption focus: Prioritize on-site solar use, storing excess for nights/outages (aim for 80–90% self-sufficiency). Scalability: Choose modular systems to add panels/batteries as your business grows. Cost-Effectiveness: Balance Investment & Savings While upfront costs are $0.8–1.5/W, top solutions deliver low LCOE via: Energy arbitrage: Store off-peak/ excess solar for peak tariff hours (cut demand charges by 40%). Grid resilience: Avoid costly downtime (where outages cost $100k+/hour). Incentive use: Leverage local subsidies (US ITC, EU Green Tax Credits) with compliant tech. Smart Management: Real-Time Control AI-driven platforms optimize operations: Predictive analytics: Use weather/data to forecast energy use and adjust storage. Remote monitoring: Track system health 24/7 with alerts for faults (e.g., panel degradation). Grid services: Sell stored energy back during shortages for extra revenue. Reliability & Support: Mitigate Risks: A strong solution includes: Warranties: 25-year panel, 10–15-year battery guarantees from global brands. Service plans: Proactive maintenance and <48-hour response for critical issues. End-of-life plans: Clear recycling/repurposing to avoid e-waste penalties. Why Partner With Us? As a trusted trade partner, we offer: ✅ Diverse sourcing: Top brands (Brands such as Jinko Solar, Longi Solar, Trina Solar, Huawei, and others.) for all budgets.✅ Turnkey support: From load analysis to logistics, simplified cross-border procurement.✅ Risk control: Pre-vetted suppliers with proven industry track records. Future-Proof Your Energy Strategy Ready to cut costs, boost resilience, and meet ESG goals? Contact our C&I specialists for a customized solution.
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