Why choose SUNPOK

Unmatched Full-Product Portfolio & Industry-Leading Scalability

We deliver a one-stop, full-spectrum product portfolio that covers every energy storage use case, with unrivaled scalability for both residential and C&I applications: 

◼︎ Full capacity range: From compact 12V 100Ah 1.2kWh / 24V 100Ah 2.4kWh auxiliary batteries, to 48V 10kWh-51.2kWh whole-house residential systems, up to 13.5MWh large-scale industrial BESS 

◼︎ Dual chemistry options: Industry-standard LiFePO4 batteries and cutting-edge 10000+ cycle sodium-ion home batteries, catering to diverse user priorities 

◼︎ Unrivaled parallel scalability: All residential batteries support up to 15 units in parallel, with our flagship 51.2kWh home battery expandable to a maximum 819.2kWh capacity; our C&I systems support parallel scaling up to 13.5MWh for large-scale projects 

◼︎ Flexible form factors: All models are available in wall-mounted, wheeled floor-standing, stackable, and rack-mount configurations to fit any installation space

Industry-Leading Battery Performance & Uncompromising Safety

In-House R&D Excellence & Technical-Driven Innovation

We are a technology-first manufacturer, backed by a 20+ member in-house R&D engineering team led by our founder — a senior battery engineer with over 10 years of specialized industry experience in electrochemical energy storage. Our core technical strengths include:

◼︎ Proprietary chemistry optimization: In-house R&D for LiFePO4 and sodium-ion battery chemistry, with breakthroughs in thermal stability, low-temperature performance, and cycle life extension

◼︎ Custom BMS development: End-to-end firmware design for our intelligent battery management system, with custom algorithm optimization for parallel systems and seamless communication protocol adaptation

◼︎ Global inverter compatibility R&D: Full testing and validation for all mainstream global inverter brands, with plug-and-play integration for both single-unit and multi-unit parallel systems

◼︎ Continuous product innovation: Ongoing R&D investment to optimize system efficiency, reduce costs, and develop cutting-edge energy storage technologies that address evolving market needs

Universal Inverter Compatibility & Hassle-Free Integration

Our in-house R&D team has validated full, seamless compatibility with all mainstream global inverter brands, including Deye, Growatt, Sungrow, SMA, Fronius, Victron Energy, Goodwe, and more. Our key integration advantages include:

◼︎ Plug-and-play integration: Pre-configured communication protocols (CANbus, Modbus) for all major inverters, eliminating complex on-site debugging and cutting installation time by up to 50%

◼︎ Parallel system compatibility: Optimized BMS design ensures stable, consistent performance for multi-unit parallel systems, with no compatibility issues when expanding capacity

◼︎ Custom protocol adaptation: We offer bespoke communication protocol development for unique project requirements and niche inverter brands, eliminating integration barriers

◼︎ Comprehensive installation support: Multilingual step-by-step installation manuals, video tutorials, and 24/7 real-time technical guidance for seamless setup

Rigorous Full-Process Quality Control & Global Regulatory Compliance

We have implemented a strict, 3-stage full-lifecycle quality control system overseen by our 10+ member professional QA/QC and compliance team, with zero tolerance for quality defects:

◼︎ Incoming Raw Material Inspection: 100% full inspection of all battery cells, BMS components, and raw materials, with only parts meeting our strict performance and safety standards entering production

◼︎ In-Process Production Inspection: Real-time quality checks at every key production stage, with strict process control to eliminate assembly defects and ensure consistent build quality

◼︎ Finished Product Comprehensive Testing: 100% full performance and safety testing for every finished unit, including charge/discharge validation, BMS function testing, insulation resistance testing, and parallel connection compatibility verification.

Our compliance team ensures every product meets the latest regulatory requirements for every major global market, with complete, up-to-date certification documentation for all our solutions.

Flexible Full-Dimensional Customization & Low-MOQ OEM/ODM

We offer comprehensive, end-to-end customization and OEM/ODM services with flexible low-MOQ policies, supporting partners of all sizes to build their own brand and meet unique project requirements:

◼︎ Full-dimensional customization: Complete flexibility over battery capacity, voltage, chemistry, form factor (wall-mounted, wheeled, stackable, rack-mount, outdoor cabinet), appearance design, and functional features

◼︎ Deep technical customization: BMS firmware development, custom communication protocol adaptation, and white-label monitoring software/APP development for brand partners

◼︎ Full OEM branding support: Logo silk-screen printing, custom product packaging, localized user manual translation, and custom brand marketing material development

◼︎ Flexible MOQ policy: Low minimum order quantities for standard model OEM branding, with negotiated MOQs for fully custom product development to support small and medium-sized partners

24/7 Global Multilingual End-to-End Support & After-Sales Service

We deliver 24/7 multilingual end-to-end support for all our global clients, with a dedicated team covering English, Spanish, French, German, Portuguese, and other major global languages. Our full-service support includes:

◼︎ Free pre-sales consultation: 1-on-1 personalized solution design, capacity sizing, and ROI analysis for homeowners, business owners, and project developers

◼︎ Installation & commissioning support: Multilingual installation manuals, step-by-step video tutorials, real-time online guidance, and on-site support for large-scale projects

◼︎ 24/7 after-sales technical support: Real-time troubleshooting via online chat, email, phone, and video conference, with a 24-hour maximum response time for all inquiries

◼︎ Lifetime maintenance support: Direct factory-origin spare parts supply with streamlined global logistics, full maintenance guidelines, and extended warranty options for all products

Customer-Centric Global Partner Ecosystem & Growth Support

We have built a comprehensive, growth-focused partner program for our global distributors, brand owners, and EPC contractors, with a commitment to growing our business alongside our partners:

◼︎ Exclusive regional rights & market protection: Exclusive regional agency rights with a strict cross-region sales ban, protecting our partners’ local market interests and profit margins

◼︎ Competitive pricing & incentives: Highly competitive agency pricing system with a tiered rebate policy, rewarding partners for sales growth and market development

◼︎ Full marketing & localization support: Complete brand marketing materials, HD product images, video content, exhibition support, and customized localized marketing plans for each regional market

◼︎ Priority support & training: Dedicated account managers for every partner, priority technical and after-sales support, and comprehensive product/technical training programs to build your team’s capabilities

◼︎ Flexible supply chain support: Priority production allocation for partner orders, with streamlined global logistics to shorten lead times and reduce inventory pressure