Suzhou Maili Electrical Appliance Co., Ltd.
Established in 2012, Suzhou Maili (PASS POWER) has evolved into a High-Tech Enterprise specializing in the R&D and manufacturing of high-performance power inverters and battery chargers. With over 13 years of professional expertise, we operate a 2,770 square meter ISO9001:2015 certified facility.
Our commitment to E-E-A-T (Experience, Expertise, Authoritativeness, and Trustworthiness) is reflected in our rigorous quality control systems and international certifications including CE, ROHS, IP30, and SGS. We don't just supply products; we provide engineered solutions for the global energy transition.
Years Experience
Factory Space
Quality System
Global Partners
The next generation of Sofar-compatible inverters is moving toward Wide Bandgap (WBG) semiconductors. By integrating Silicon Carbide (SiC) and Gallium Nitride (GaN) components, we are achieving 94% to 98% conversion efficiency. This reduction in thermal loss allows for more compact, ultra-thin designs (like our 300W and 1000W models) without sacrificing power density.
Modern OEM Sofar inverters are no longer passive converters. We are integrating AI algorithms that optimize the Maximum Power Point Tracking (MPPT) in real-time, even in complex shading conditions. Furthermore, IoT-enabled firmware allows for predictive maintenance, alerting operators to potential grid instabilities or component aging before failure occurs.
As Electric Vehicles (EVs) become mobile energy storage units, our technology roadmap includes bi-directional charging capabilities. Our high-voltage DC (540V) to AC inverters are specifically designed to bridge the gap between EV battery packs and residential/commercial grids, facilitating Vehicle-to-Load (V2L) ecosystems.
Custom input/output ranges from 12V DC to 540V DC, and 110V to 380V AC.
RS485, CAN bus, and Wi-Fi communication protocol customization for smart grids.
Ultra-thin, wall-mounted, or rack-mounted shells customized for space-saving needs.
Fully customized UI/UX on digital displays with multi-language support.
Universal, UK, US, EU, and AU socket configurations available for any market.
In an era of global supply chain volatility, Suzhou Maili leverages its strategic location in Suzhou's industrial hub to ensure Supply Chain Resilience. Our "Factory 4.0" approach combines automated assembly lines with digitized inventory management, reducing lead times by 30% compared to industry averages.
Automated SMT Production
Rigorous Burn-in Testing
Precision Quality Control
Optimized 3KW-8KW pure sine wave solutions for home energy independence.
High-efficiency hybrid systems for small-to-medium enterprises (SMEs).
Ultra-thin, shock-resistant inverters designed for life on the move.
Critical power supply solutions with millisecond transfer times.
Global trade requires more than just a good product; it requires Regulatory Mastery. At PASS POWER, we ensure that every OEM Sofar Inverter meets the local grid-tie regulations and safety standards of the target market.
We provide comprehensive documentation including technical data sheets, MTBF reports, and environmental impact assessments to satisfy the stringent requirements of corporate procurement departments.
"I have bought 4 of these inverters and the build quality and performance is excellent. Still working well after 5 years."
- Mark Augustin, USA"Very satisfied with their product quality and after-sales service. Professional and supportive team."
- Sergey Sukhotskiy, Kazakhstan
Certified System Diagrams for Enterprise Integration
Low-frequency inverters (like our 1500W and 5000W models) use massive transformers, making them more durable and capable of handling high-surge loads like water pumps and compressors compared to high-frequency alternatives.
We utilize advanced MOSFETs and optimized copper-wound transformers combined with proprietary firmware that reduces idle current consumption and maximizes energy throughput.
Yes, we can customize RS485, CAN, or Modbus protocols to ensure our inverters integrate seamlessly with your existing BMS (Battery Management Systems) or smart home hubs.
Sample units are usually available within 7-10 days. Bulk OEM orders typically range from 25 to 35 days depending on the level of customization required.
PASS POWER
