Product Description: WENREY MK SII Series 5KW Pure Sine Wave Off-Grid Inverter
Huizhou Wenrui New Energy Co., Ltd., a specialist in renewable energy solutions based in Guangdong, China, presents the WENREY MK SII Series 5KW Off-Grid Power Inverter. Engineered for robust performance and reliability, this inverter is a core component for independent power systems requiring high-capacity AC power conversion from DC sources.
Key Specifications & Features:
High Power Output: Delivers a continuous rated power of 5000VA / 5000W with a peak output current of 90A, capable of running demanding appliances and equipment.
Pure Sine Wave Output: Generates a clean, stable 230V ±5% AC output at 50Hz or 60Hz (single-phase), ensuring compatibility with sensitive electronics, including personal computers, medical devices, and induction motors.
Universal Input Voltage: Supports a wide AC input range (220V / 230V / 240Vac), offering flexibility in various grid or generator backup scenarios.
Optimized for Solar Off-Grid Systems:
Battery Voltage: Operates on a 48V DC battery bank.
PV Input: Accepts a maximum solar PV array power of 4500W.
High Efficiency: Achieves 90% inverter efficiency, maximizing usable power.
Scalability: Features advanced parallel capability, allowing up to 9 units to be connected in parallel (enabling systems up to 45KW). Supported by a substantial supply capacity of 500 units per day.
Fast & Reliable Switching: Ultra-fast transfer times ensure seamless power continuity:
≤ 10ms: For sensitive equipment like personal computers.
≤ 20ms: For standard home appliances.
Comprehensive Protection: Incorporates Short Circuit Protection and other safety mechanisms.
Certifications & Reliability: Compliant with CE and RoHS standards.
Robust Build & Packaging:
Unit Dimensions: 120mm (H) x 295mm (W) x 468mm (D).
Unit Weight: 11kg.
Packaging: Shipped in protective neutral packaging featuring abundant foam to safeguard the product during transit. Standard carton dimensions are 600mm (W) x 400mm (H) x 220mm (D) with a gross weight of 12kg. Customized packaging is also supported.
Logistics: Efficiently exported via the port of Shenzhen.
Warranty: Backed by a 1 Year (12 Months) manufacturer's warranty.
Ideal Applications: Perfect for off-grid homes, cabins, remote telecom sites, RVs, boats, and backup power systems.
Summary: The WENREY MK SII 5KW Off-Grid Inverter combines high power output (5000W), pure sine wave quality, exceptional efficiency (90%), and scalable parallel operation within a robust package. Supported by a daily production capacity of 500 units, protective packaging (600x400x220mm, 12kg gross), and export via Shenzhen port, it offers a dependable and versatile solution for off-grid and backup power applications powered by 48V battery banks and solar input.
Key Integration Points & Why it Works:
Supply Ability: Added after the parallel capability feature ("Supported by a substantial supply capacity of 500 units per day"). This logically connects the product's scalability with the manufacturer's ability to support larger orders/demand.
Packaging Details:
Grouped under a new sub-heading (Robust Build & Packaging) alongside the unit dimensions and weight for cohesion.
Clearly specifies the purpose ("protective neutral packaging featuring abundant foam").
Includes all dimensions and weights concisely ("Standard carton dimensions are 600mm (W) x 400mm (H) x 220mm (D) with a gross weight of 12kg").
Mentions customization naturally ("Customized packaging is also supported").
Port: Added as a separate, concise point under Logistics within the specs list ("Efficiently exported via the port of Shenzhen"). This provides clear logistical information without disrupting the product feature flow.
Maintained Flow: The technical specifications, features, and applications remain the core focus. The supply chain details are presented as supporting strengths (high volume production, secure shipping, efficient export) without overshadowing the product itself.
Lead time:
| Quantity(pieces) |
1 - 10 |
11 - 50 |
51 - 100 |
>100 |
| Lead time (days) |
15 |
25 |
40 |
To be negotiated |
5kw 220v hybrid MPPT solar power system pure sine wave off grid inverter
Technical Specifications
| MODEL |
MK SII 5KW |
| Rated Power |
5000VA/5000W |
| Parallel capacity |
Yes, 9 units |
| Input |
\ |
| Voltage |
230VAC |
| Voltage range |
170-280 VAC (for PC) or 90-280 VAC (for Home Appliance) |
| Frequency Range |
60/50Hz (Auto sensing) |
| Output |
\ |
| AC Voltage Regulation (Bat Mode) |
230VAC+-5% |
| Surge Power |
10000VA |
| Efficiency (Peak) |
90% |
| Transfer Time |
10 ms (for Personal Computer): 20ms(for Home Appliances) |
| Wave form |
Pure sine wave |
| Battery |
\ |
| Batery Voltage |
48VDC |
| Floating Charging Voltage |
54VDC |
| Overcharge Protection |
66VDC |
| Solar Charger &AC Charger |
\ |
| Solar Charger Type |
MPPT |
| Maximum PV Array Power |
4500W |
| Max PV Array Open Circuit Voltage |
450VDC |
| MPP Range@Operating Voltage |
120-430VDC |
| Maximum Solar Charge Current |
80A |
| Maximum AC Charge Current |
80A |
| Maximum Charge Current |
80A |
| Physical |
\ |
| Dimension (L*W*H) mm |
120*295*468 mm |
| Net Weight (kgs) |
11kgs |
| Environment |
\ |
| Humidity |
5-98% Relative Humidity (Non-condending) |
| Operating Temperature |
'0°C to 55 °C |
| Storage Temperature |
'-15°C to 60 °C |
Detailed Photos
Professional design is specifically customized for small and-medium enterprises
servers, rack mount, tower mount, etc. a variety of installation, online double
conversion design, DSP digital technology, pure sine wave, excellent
performance, high-grade appearance, which present the integration of advanced
technology and traditional products.
Our Services
Following the concept of "customer first", the company has established a standardized and high-quality customer service system to provide customers with timely and efficient technical support, as well as pre-sales and after-sales service.
Standardized and efficient service is the core competitiveness of the company. The customer service center is set up in the headquarters, with the help of nationwide service outlets and professional technical engineers, timely responding to customer demand.At present, it has set up 7 regional offices and 31 service outlets in China to respond to customers' needs at any time and provide fast and high-quality services.
To ensure a delivery experience that fits perfectly with your schedule and budget, we invite you to engage in a detailed discussion with us. Together, we can craft a customized shipping plan that accommodates your unique requirements, offering seamless solutions and personalized attention to detail.
Installation Instructions
Achieve seamless energy integration with our Parallel Connection Of Batteries: Effortlessly unite the positive pole with the positive pole, and the negative pole with the negative pole, ensuring optimal energy distribution and unparalleled performance.
Experience the pinnacle of battery technology with our Automotive Grade Cells featuring a state-of-the-art 16-cell configuration. This advanced setup ensures maximum efficiency and reliability for your energy needs. Our integrated CAN bus RS485 Battery Management System (BMS) provides unmatched control and monitoring capabilities, while the intuitive LED display keeps you constantly informed of your battery's power status. Pre-configured with the most precise parameters, our LiFePO4 battery sets new standards in functionality, boasting superior longevity and comprehensive warranty offerings. Enjoy the peace of mind that comes with daily cycling confidence, and benefit from seamless and effortless communication with top inverter brands such as SMA, Studer, Solar-Edge, S-chneider, DEYE, Solis, Sungrow, Growatt, Sofar, Must, Sol-Ark, and Sunsynk, ensuring a flawless and uninterrupted energy experience.
Certifications
Enjoy the assurance of our all-encompassing 1-year warranty, giving you peace of mind with free parts replacement and repair services, ensuring your energy requirements are reliably met at all times.
Prioritizing Battery Safety
Ensuring Safe Practices for Battery Usage
Esteemed Customer,
Lithium batteries require handling and replacement by qualified professionals. Leveraging our profound expertise, Huizhou Wenrui New Energy Co., Ltd. integrates various safety designs into our lithium batteries. Our products have successfully passed stringent safety evaluations and conform to international standards like UN38.3 and GB8897.4. Despite their high energy density and the presence of hazardous chemicals, these batteries can be affected by environmental variations, impacts, improper storage, or misuse.
Given the complex nature of these factors, lithium batteries may still pose risks such as overheating, thermal runaway, smoke, or fire, potentially leading to injury or property damage.
To safeguard against such risks and protect your company's interests while fostering sustainable partnerships, we aim to
We earnestly present the following safety precautions for lithium battery usage, urging your company to regard them with utmost seriousness.
When utilizing Wenrui batteries, it is crucial to thoroughly review the 'Product Specification' of the purchased item, fully understand the usage precautions, and adhere to these guidelines:
1. Maintain the battery in its original packaging and store according to regulations prior to use.
2. Avoid gathering batteries together to prevent accidental short circuits.
3. Keep the battery away from environments exceeding 100 ºC or from being burned.
4. Refrain from charging, forcibly discharging, squeezing, or piercing disposable lithium batteries.
5. Avoid welding on the battery's surface; use batteries with pre-installed solder legs or leads.
6. Do not mix new with used batteries or combine batteries from different sources.
7. Prevent short circuits between battery terminals, refrain from reversing terminal connections, and avoid disassembling the battery.
8. Transport and operate batteries gently; avoid throwing or dropping them.
9. Safeguard the battery against exposure to moisture or corrosive conditions.
10. For separately used lithium-ion batteries, comply with storage specifications and charge every six months.
11. Adhere strictly to overcharging management guidelines as per the Product Specification.
12. Store the product safely out of children's reach, preventing accidental ingestion.
13. Consult our customer service before assembling single lithium batteries in series or parallel.
14. Remove the battery from devices at voltage termination and dispose of waste batteries per national and local laws.
Important Reminder
1) Prior to utilizing the battery, conduct a thorough evaluation and adhere to the 'Product Specification' during operation.
2) Misuse can lead to overheating or explosion, risking injury or property damage.
3) Huizhou Wenrui will not be liable for accidents arising from non-compliance with operational guidelines.
4) For any inquiries, promptly contact our customer service team.
Huizhou Wenrui New Energy Co., Ltd. - The Ultimate Ally in Power & Energy Storage Solutions!
Empowering Your Future, Storing Your Success
Nestled in the vibrant city of Huizhou, China, Huizhou Wenrui New Energy Co., Ltd. emerges as a top-tier manufacturer and visionary in the realm of power batteries and energy storage solutions. With a legacy of dedicated production and cutting-edge R&D, we craft high-performance lithium-ion batteries tailored to satisfy the dynamic needs of the global market.
Our Core Products:
Home Energy Storage Systems: Featuring advanced 5kW, 10kW, and 15kW lithium battery solutions, including seamless lead-acid replacement conversions.
Specialty Vehicle Batteries: Providing robust power for Golf Carts, Sightseeing Vehicles, Electric Motorcycles, Tricycles, Quadracycles, and RVs.
Commercial & Industrial (C&I) Energy Storage: Scalable, reliable solutions tailored for business and industrial applications.
Solar Energy Storage Integration: High-efficiency batteries designed to enhance renewable energy systems.
Custom Battery Solutions: Crafted designs to meet your precise application specifications.
Why Choose Huizhou Wenrui?
Unrivaled Advantages & Proven Strength:
1.Vertically Integrated "Super Factory": Our state-of-the-art, self-sufficient manufacturing facility spans over 10,000 square meters. This multi-story marvel is equipped with multiple automated production lines, ensuring impeccable quality control and substantial production capacity-a true testament to "Source Factory" brilliance.
2. Relentless Innovation: Our esteemed "Professional R&D Team," comprising senior experts, is at the forefront of continuous innovation. We are dedicated to crafting high-performance, ultra-safe, and supremely reliable lithium-ion battery products, aligning with emerging market trends.
3. Uncompromising Quality: Upholding a "Comprehensive ISO 9001:2015 Quality Management System," we enforce stringent controls from raw material selection to final shipment. Our devotion to "Premium Quality Products" is endorsed by "SGS certification," assuring compliance with international standards.
4. Agile Customization & Strong OEM Capability: Our "Flexible Production Model" allows extensive "customization services" to align perfectly with your unique requirements. Supported by advanced equipment and a proficient workforce, our "robust OEM capacity" guarantees superior production, unwavering reliability, and punctual delivery.
5. Global Source Factory Advantage: As a "Premier Source Factory," we bypass intermediaries, delivering competitive "Source Factory Pricing" while maintaining exceptional quality and performance. We are a "Top-Quality, Credible Supplier" esteemed by a global clientele.
A Global Footprint: Our unwavering commitment to excellence has forged successful alliances with clients across 200+ countries and regions, cementing our status as a pivotal force in the global energy storage and power battery industry. Our vision is unequivocal: to ascend as the world's foremost supplier of power and energy storage batteries.
Experience the Wenrui Difference Firsthand:
We hold the belief that seeing is believing. We warmly invite all potential international buyers to visit our impressive Huizhou manufacturing hub. Witness firsthand our advanced production processes, rigorous quality controls, and expansive operations. Discover how our capabilities can serve as the bedrock of your success.
Ready to Power Your Business?
Contact Huizhou Wenrui New Energy Co., Ltd. today! We look forward to engaging with your inquiries and exploring fruitful partnerships. Allow us to equip you with the reliable, high-performance battery solutions essential for your business.
1. Do you have any MOQ limit?
A: Yes. In general, MOQ is 1 set.
2. Factory or Trading?
A: We are the manufacturer specializing in lithium ion battery.
3. How about your delivery time?
A: For the big capacity, we can deliver around 25 days.
Depends on the items and the quantity of your order.
It usually takes 1-2 days if in stock.
4. Can you OEM and ODM Service?
A: Yes, we can provide free OEM Service, and ODM Service. We can design the packaging and logo according to your requirements.
5. Do you test all your goods before delivery?
A: Yes, all our products have been tested before delivery.
6. What is the biggest difference between your battery and other suppliers?
A: More than 20 years of manufacturing experience.
Honle Energy invests greatly in R&D to ensure the reliable, stable and technically advanced battery energy storage systems.
7. Tell me the standard of package?
A: We use strong wooden case for protection.
8. Could you offer Form A or C/O ?
A: No problem.
We can prepare relative documents to origin affairs office or other office to apply for related certificates for free.
9: How to proceed an order?
A: Firstly let us know your requirements or application.
Secondly we quote according to your requirements or our suggestions.
Thirdly customer confirms the samples and places deposit for formal order.
Fourthly we arrange the production.
10: Where can I get the price?
A: We usually quote within 24 hours after we get your inquiry.
If you are very urgent to get the price, please call us or tell us in your email so that we'll regard your inquiry priority
11: Is it OK to print my logo on product?
A: OK, Need customer provide their packaging or we make neutral packaging.
12. May I come to China to visit the factory and verify whether you are the source factory?
A:Sure, we always welcome your visit. We are looking forward to meeting and communicating with you in person. Let's take a look at our powerful factory together. We hope that after reading this, you can get in touch with us and build a bridge of our cooperative friendship!
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