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SUNPOK | China Solar Storage Battery Source Factory | OEM ODM Wholesale

Our Team

Professional Team

Expert R&D, Manufacturing & Quality Assurance for Solar Energy Storage Solutions

SUNPOK ENERGY is backed by a full-stack, 100+ member professional team dedicated to the R&D, manufacturing, quality control, and global support of industry-leading solar energy storage systems. Our team structure is built to deliver reliable, high-performance, and customized battery solutions for residential and commercial & industrial (C&I) clients worldwide, with specialized divisions including:

With end-to-end in-house capabilities, we control every stage of the product lifecycle from initial chemistry R&D to final product delivery and after-sales support, ensuring consistent quality, industry-leading innovation, and responsive customer service. This full vertical integration makes us a trusted, one-stop energy storage partner for homeowners, EPC contractors, distributors, and project developers across the globe.

in-house R&D engineers and technical experts
50+
skilled production and manufacturing specialists
professional quality assurance (QA) & quality control (QC) inspectors and compliance experts
20+
global sales, customer support, project management, and partner service professionals

Core Innovation

20+ In-House R&D Engineering Team

Our 20+ member in-house R&D team is the core of SUNPOK ENERGY's product innovation, composed of specialized experts in battery chemistry, battery management system (BMS) firmware development, mechanical & structural design, thermal management engineering, and inverter compatibility testing. This cross-functional team brings decades of combined experience in the energy storage industry, with deep expertise in both lithium iron phosphate (LiFePO4) and cutting-edge sodium-ion battery technologies.

1
Full Product Line R&D
We develop and optimize our complete residential energy storage portfolio, including our flagship 48V 10kWh-51.2kWh LiFePO4 batteries, 48V 10kWh-20kWh sodium-ion home batteries, and compact standard models (12V 100Ah 1.2kWh, 24V 100Ah 2.4kWh). Our team ensures every product delivers industry-leading 8000-10000+ cycle life, ultra-safe performance, and seamless integration with mainstream inverter brands.
2
Fully Customized Solution Development
Our R&D team delivers end-to-end custom battery solutions tailored to unique customer needs, with full flexibility over capacity, voltage, form factor (wall-mounted, wheeled floor-standing, stackable, rack-mount), and functional features. We support custom projects from 1.2kWh compact residential batteries to 13.5MWh large-scale C&I energy storage systems, turning your specific project requirements into fully compliant, high-performance solutions.
3
Ongoing Technology Optimization
We continuously invest in battery technology innovation, including safety performance upgrades, cycle life optimization, low-temperature performance improvement, and intelligent BMS function development. This ensures our products stay ahead of industry standards, delivering maximum long-term value and reliability for our customers.
4
Global Compliance & Compatibility R&D
Our team ensures all our products and custom solutions fully comply with CE, IEC, MSDS, UN38.3, and other international safety and grid standards, with dedicated compatibility testing for all mainstream global inverter brands to eliminate integration risks for our customers and partners.

Reliable, Flexible Production Capability

50+ Skilled Manufacturing & Production Team

Our 50+ member production team is composed of skilled manufacturing specialists, on-site technicians, and production scheduling experts, responsible for the precision manufacturing of our full energy storage product line. With a state-of-the-art production facility and standardized production management system, our team delivers consistent, high-quality products with flexible production capabilities for both standard and custom orders.

1
Standardized Mass Production for Full Product Line
Our production team operates standardized assembly lines for our complete residential and C&I energy storage portfolio, with strict adherence to international production standards. We ensure consistent product quality across every unit, from compact 1.2kWh auxiliary batteries to our flagship 265kWh/125kW all-in-one C&I BESS, with full traceability across the entire production process.
2
Flexible Custom Order Production
We have built a flexible production system to support fully customized battery orders, with our production team working closely with the R&D department to deliver custom form factors, capacities, and configurations. We support low MOQ custom orders with fast lead times, helping our distributor and brand partners reduce time-to-market and meet unique project requirements.
3
On-Time Delivery & Supply Chain Stability
Our production scheduling team optimizes production planning to ensure on-time delivery for all standard and custom orders, with a streamlined global supply chain to minimize lead times. We offer priority production allocation for our distributor and partner clients, helping you reduce inventory pressure and meet market demand efficiently.
4
Lean Production & Cost Optimization
Our team implements lean production management to optimize production efficiency and reduce unnecessary costs, allowing us to deliver high-quality products at highly competitive prices for our global customers and partners.

Uncompromising Product Quality & Safety

10+ Professional QA/QC & Compliance Team

Our 10+ member QA/QC and compliance team is dedicated to ensuring uncompromising product quality, safety, and global regulatory compliance across every stage of our product lifecycle. This team of professional inspectors, testing engineers, and compliance experts implements a full-process quality control system, from raw material incoming inspection to finished product shipment testing, to deliver zero-defect products to our global customers.

1
Full-Process Quality Control System
We implement a 3-stage quality control system managed by our QC team:
 Incoming Raw Material Inspection: 100% inspection of all battery cells, BMS components, and raw materials to ensure they meet our strict performance and safety standards before entering production.
 In-Process Production Inspection: Real-time quality checks at every key production stage, with strict process control to eliminate production defects and ensure consistent assembly quality.
 Finished Product Performance & Safety Testing: 100% comprehensive testing of every finished battery unit, including charge/discharge performance testing, cycle life verification, BMS function testing, insulation resistance testing, and safety performance validation.
2
Comprehensive Product Safety Testing
Our in-house testing lab, managed by our QC team, conducts rigorous environmental and safety testing for all products, including thermal stability testing, low/high temperature performance testing, vibration testing, and short circuit protection testing. This ensures our batteries deliver reliable performance in all global climate conditions and meet the highest international safety standards.
3
Global Regulatory Compliance Management
Our compliance experts manage the full certification process for all our products, ensuring full compliance with CE, IEC, MSDS, UN38.3, and other global safety, transportation, and grid standards. We also provide full certification support for custom projects, eliminating regulatory risks for our customers and partners in global markets.
4
Long-Term Product Quality Tracking
Our QA team conducts ongoing product quality tracking and lifecycle performance analysis, working closely with the R&D and production teams to continuously optimize product quality and reliability. This ensures our products deliver stable, long-term performance throughout their full service life, maximizing return on investment for our customers.

End-to-End Client Support

Global Sales, Customer Support & Partner Service Team

Our global client support team is composed of 20+ sales, customer support, project management, and partner service professionals, covering all major global markets with multilingual support (English, Spanish, French, German, Portuguese, and more). This team serves as your dedicated point of contact, delivering end-to-end support from initial pre-sales consultation to long-term after-sales service.

1
Free Pre-Sales Consultation & Solution Design
Our sales and technical sales team provides complimentary, personalized energy storage solution consultation for homeowners, business owners, EPC contractors, and project developers. We deliver custom capacity sizing, ROI analysis, and product selection advice tailored to your specific energy needs, solar system setup, and local grid conditions.
2
Dedicated Project Management for C&I & Custom Projects
Our project management team provides full-process support for C&I energy storage projects and large custom orders, including project planning, production tracking, delivery coordination, and commissioning guidance. We ensure your project is delivered on time, on budget, and meets all performance requirements.
3
24/7 Multilingual Technical & After-Sales Support
Our customer support team provides 24/7 real-time multilingual support via online chat, email, phone, and video conference, resolving technical issues, troubleshooting, and product inquiries for all our standard and custom products. We also provide step-by-step installation guidance, commissioning support, and ongoing maintenance advice to ensure your system operates smoothly.
4
Full-Service Distributor & Partner Support Program
Our partner service team delivers comprehensive support for our global distributor and brand partners, including exclusive regional market protection, competitive pricing and tiered rebates, full marketing material support, priority technical support, and customized training programs. We are committed to growing our business alongside our partners, with dedicated account managers to support your local market success.

Our Team’s Core Commitment & Competitive Advantages

At SUNPOK ENERGY, our 100+ member team is united by a single mission: to deliver safe, reliable, high-performance, and cost-effective solar energy storage solutions for our global customers. Our core competitive advantages include: 


Full In-House Vertical Integration: We control every stage from R&D and manufacturing to quality control and after-sales support, ensuring consistent quality and fast response to customer needs. 

Customer-Centric Innovation: Every product and service we deliver is designed around our customers’ unique needs, with flexible customization capabilities to meet any residential or C&I energy storage requirement. 

Uncompromising Focus on Safety & Quality: Our dedicated QA/QC team ensures every product meets the highest international safety and performance standards, delivering peace of mind for our customers. 

Global Localized Support: Our multilingual support team delivers responsive, tailored service for customers across every major global market, eliminating language and time zone barriers.

Why Partner With SUNPOK ENERGY’s Professional Team?

Whether you are a homeowner looking for a reliable home backup battery system, a business owner seeking to reduce energy costs with a C&I energy storage solution, or a distributor/developer looking for a trusted, innovative energy storage manufacturing partner, our team has the expertise, capabilities, and commitment to deliver for you. 


For homeowners: We deliver personalized, safe, long-lasting home energy storage solutions with full installation and maintenance support. 

For business & project owners: We deliver end-to-end custom C&I energy storage solutions with full project support and maximum ROI. 

For distributors & partners: We deliver competitive pricing, flexible production, full marketing support, and dedicated partner service to help you grow your business.

Contact our team immediately for a free customized quote.

E-MAIL US
allenlin@sunpok.com
SUPPORT 24/7
+86 13138464995
CONTACT PERSON
Allen Lin

SUNPOK ENERGY focus on technical innovation, uncompromising quality, and customer-centric support.

Contact Us
Tel: 0086 13138464995
WhatsApp: 0086 13138464995

E-mail: allenlin@sunpok.com

Address: Building at No. 13, Guangshan 2 Road, Tianhe District, Guangzhou City, Guangdong Province, China

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