15kwh 20kwh 153.6V LiFePO4 Battery and Inverter All in One Energy Storage Battery 15kwh 20kwh for Home Solar Energy System
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Product Highlights
- Extended 10-Year Warranty: Comprehensive coverage for 10 years on all battery units.
- Flexible Customization Options: Offers full customization, minor customization, and customization from samples or designs.
- Stackable Design for Scalability: Allows stacking up to 8 units for increased energy capacity.
- Comprehensive Quality Testing: Every battery undergoes voltage and internal resistance testing before shipping.
- Wide Voltage Range Support: Nominal voltage ranges from 51.2V to 614.4V for diverse applications.
- Fast Delivery for Small Orders: Goods can be delivered within 1-15 working days for small quantity orders.
- Global Payment Acceptance: Accepts PayPal, Bank Wire, Visa, Mastercard, American Express, and Discover.
Product Attributes
- Customization
- Available
- Nominal Voltage
- 51.2V~614.4V
- Warranty
- 10 Years
- Model NO.
- Stackable 1
- Nominal Capacity
- 50ah/100ah
- Cycle Life
- 6000+
- Battery Capacity
- 5kwh~40kwh
- Cell Chemistry
- LiFePO4
- Certification
- CE, UL, Un38.3, MSDS
- Installation
- Stackable
- Application
- Solar, Wind, UPS, Telecom
- Transport Package
- Wooden Cases
- Specification
- 550*500*1287mm
- Trademark
- CiFi SUN
- Origin
- China
- HS Code
- 8507600090
- Production Capacity
- 50000 PCS Per Year
Product Images of 15kwh 20kwh 153.6V LiFePO4 Battery and Inverter All in One Energy Storage Battery 15kwh 20kwh for Home Solar Energy System
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Product Description


Model | LWN-512100 | LWN-102450 |
Battery | ||
Standard Voltage | 51.2V | 102.4V |
Norminal Capacity | 100Ah | 50Ah |
Rated Energy | 5.12kWh | |
Max Charge-Discharge Rate | 1C/100A | 1C/50A |
Product Dimenstion | 550*500*171mm | |
Package Dimenstion | 545*510*300mm | |
Net Weight | 41kg | |
Cycle Life | ≥6000 @ 25℃, 80% DOD | |
Stacking Parameters | ||
Max Stacking Quantity | 8 PCS | 6 PCS |
Standard Voltage | 409.6V | 614.4V |
Working Voltage | 345.6~460.8V | 518.4~691.2V |
Rated Energy | 40.93kWh | 30.72kWh |
Total Product Dimenstion | 550*500*1629mm | 550*500*1287mm |
Net Weight | 360kg | 263kg |
General Parameters | ||
Ingress Protection | IP20 | |
Installation | Stacked | |



*8,000+ Clients Served *OEM/ODM Services Available *24/7 After-Sales Support
















About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASI259640". Items marked "" are certified.
Company Profile
CiFi SUN Energy is a professional engaged in the research, development, sale and service of home energy storage, industrial and commercial energy storage, container energy storage, among others. CiFi SUN specialized in LiFePO4 lithium battery pack, all these products are widely used for solar energy storage system. Establish three subsidiaries, with their business covering both domestic and international projects. As a professional battery supplier, we have excellent teams who focus on product development & design, quality control & inspection and company running. Intelligent factory digital workshop, all the production procedure strictly according to production international standard quality management system, continues to realize the real short delivery cycle through "functional modularization, mechanism standardization, and parts generalization". We leverage a well-developed industrial ecosystem to deliver competitively priced. Our core focus lies in designing and crafting bespoke solutions for a wide spectrum of applications. Dedicated to strict quality control and thoughtful customer service, our experienced staff members are always available to discuss your requirements and ensure full customer satisfaction.
CiFi SUN provides both OEM and ODM services, allowing us to create energy solutions customized to the specific and unique needs of each client. Whether selecting a current product from our catalog or seeking engineering assistance for your application, you can talk to our customer service center about your sourcing requirements. If you have any new ideas or concepts for the products, please contact us. We are glad to work together with you and finally bring you the satisfied products.
Core Solutions:
1. Grid-Scale BESS: Utility-scale battery storage systems for peak shaving, frequency regulation, and renewable integration.
2. Commercial & Industrial (C&I): Turnkey ESS reducing demand charges, enabling backup power, and optimizing onsite solar.
3. Residential Energy Storage: User-friendly home batteries for backup security and maximizing rooftop solar self-consumption.
4. Integrated Energy Management: Al-driven software platforms for real-time monitoring, optimization, and predictive maintenance.
About Our Factory & Business Background
-
Business Type
- Trading Company
- Address
- Nanchang, Jiangxi, China
-
Plant Area
- 90 square meters
-
Number of Employees
- 9
-
Registered Capital
- 2,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
- Peak Season Lead Time, within 15 workdays, Off Season Lead Time, within 15 workdays
-
Nearest Port
- Ningbo Port, Shenzhen Port, Shanghai Port
-
Minimum Order Quantity
- 1
-
Supply Chain Partners
- 50
Our Production Capability & Technical Expertise
- Main Products
- Solar Battery, LiFePO4 Battery, Energy Storage Battery, Lithium Ion Battery, Solar Generator, 48V 100ah, Power Station, Solar Lithium Battery, Rechargeable Battery, Energy Storage System
-
Inspection Type for Finished Products
- 100% inspection Visual inspection Function inspection
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples,Customization from Designs,Full Customization,Minor Customization,Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 1 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2016-09-28
-
Export Year
- 8 Years
-
Main Markets
- North America, Asia
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 6
-
Overseas Agent/Branch
- No
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- Are the batteries top quality and brand new?
- Yes, Top quality. the QR code is intact, Brand new from original factory.
- Do the batteries come with busbars and bolts?
- The price come with Bus bars and Bolts, One Battery will come with one set bus bar and bolt (e.g.,If buy 4pcs battery,we will send 4pcs cells with 4pcs busbars and 8pcs bolts) If need more please contact us online.
- Can you test each battery prior to shipping?
- We will test all the battery Voltage and Internal resistance before shipping.
- What kind of the package of the cells?
- Pack with strong package, each cell into thickness PE foam or bag, then into 5 layers strong carton.
- How can I place the order?
- Usually we accept order online, and you can send us inquiry or chat with us online they will create online order for you.
- How can I do if I need more help for the order?
- You can chat with our sales online or send inquiry email,we will respond you ASAP.
- What is delivery time if we place an order?
- It depends order quantities. Usually, we can deliver goods within 1-15 working days for small orders, for mass order, let's confirm when you send inquiry.
- How should I pay?
- Paypal, Bank Wire,Visa, Mastercard,Amercian Express,Discover, If you prefer other payment terms, please contact us freely.
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