20KWh High capacity Stacked solar storage battery

SKU YL-ES-S Category

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5-year battery backup manufacturers, Onestop solar storage battery integrated supply solution. The stacked High capacity lifepo4 battery wholesale.

Storms, grid overloads, and maintenance work can all cause power outages. Therefore, you can always rely on the ups battery backup power source from the Youlumi home battery backup, which will automatically switch to emergency power operation within a few seconds, which is a good thing in the event of a power failure.

Lifepo4 battery

Youlumi’s solar storage battery YL-ES-S series has a single capacity of 5Kwh, which can be expanded to a Lifepo4 battery with a capacity of 10Kwh by stacking. This process can be completed with only two energy storage batteries, and the stacking method is compared to wall-mounted The Powerwall reduces a lot of space usage and is a very good choice for residential energy storage. Youlumi provides a full range of battery solutions to meet your backup power needs.

High-performance, Safe, and Reliable Lifepo4 batteries

Youlumi is a Lifepo4 Powerwall used in photovoltaic storage systems with a battery management system (BMS), which can be used in conjunction with external inverters and charge controllers. It is suitable for home off-grid or on-grid solar systems. The Lifepo4 battery guarantees the highest level of safety, cycle stability, and performance of Powerwall. YL-ES-S has a modular system of 5 kWh stackable battery packs with 100% discharge capacity. This series can support the parallel use of 2/3/4/5/6 battery packs, easily reaching a storage capacity of 20Kwh.

The World’s Smartest Home Battery Backup Management System

The built-in battery management system integrates with multilevel safety features including overcharge and deep discharge protection, voltage and temperature observation, overcurrent protection, cell monitoring and balancing, and over-heat protection. This high-performance Youlumi home battery backup has a large power capacity, with fast charging and continuous discharge power, providing 98% efficiency. The advanced Lithium Ferro Phosphate (LFP) technology operates a wider temperature range to deliver the most dependable performance. LFP has been proven to be one of the safest Lithium technologies in the industry and is manufactured to the highest standards.

Save Up To 25% On Your Utility

When paired with solar, the Youlumi Powerwall is the perfect way to automatically save money while paying the lowest possible cost for your energy.

Take Complete Control With The Youlumi Power App

Our intelligent software combines weather, utility rate, and historical solar production and energy consumption data to continually drive energy efficiency and improve system performance to meet your specifically tailored goals.

The Youlumi YL-ES-S is the ideal energy storage solution for grid-tied or off-grid solar installations. Lower your utility bill by avoiding the need to buy electricity at peak times with the Youlumi Lithium Battery YL-ES-S. Order online or by PHONE at +86 13923410020

 

Stacked Solar storage battery

 Non-Toxic & Non-Hazardous Cobalt-Free LFP Chemistry

 No Thermal Runaway with Fire Propagation

 No Heat Generation, Mitigation, Thermal Monitoring or Toxic Cooling

 Extended Operating Temperature -4 to 140F

 100% Efficiency Rate

 Fast Charge & Discharge Rates

 6000 Cycle Life with a 10 Year Warranty

 Cycle One to Several Times Per Day

 Seamless Integration with All Industry Standard Inverter/Charge Controllers

 Built-In Safety ?C BMS with Breaker On/Off Switch for Shipping & Installation

 Modular, Scalable & Proven Performance

 Made in China.

Technical Specifications-Stacked Energy Storage Battery
Model YL-ES-S05 YL-ES-S15 YL-ES-S25
Rated Voltage 51.2V 153.6V 256V
Rated Capacity 100Ah 100Ah 100Ah
Rated Energy 5.12KWh 15.36KWh 25.6KWh
Internal Resistance ??30m?? ??80m?? ??120m??
Cycle Life ??5000 cycles @ 80% DOD, 25??C, 0.5C
??4000 cycles @ 80% DOD, 40??C, 0.5C
Design Life ??5 years
Charge Cut-off Voltage 57.6V 0.5V 172.8V 0.5V 288.0V 0.5V
Max. Continuous
Work Current
100A
Discharge Cut-off Voltage 45.0V 0.2V 134.5V 0.2V 224.0V 0.2V
Charge Temperature 0??C~60??C (Under 0??C extra heating mechanism)
Discharge Temperature -20??C~60??C (Under 0??C Work with reduced capacity)
Storage Temperature -40??C~55??C @60% 25% relative humidity
Dimensions 590*415*375mm / 23.23″x16.34″x14.76″ 590*415*745mm /
23.23″x16.34″x29.33″
590*415*1120mm /
23.23″x16.34″x44.09″
Weight 65kg 195kg 310kg
Protocol (optional) RS232-PC, RS485(B)-PC RS485(A)-Inverter, Canbus-Inverter

Lifepo4 battery wholesale

As the best battery storage manufacturer, Youlumi offers the best price. So that our dealers have a fat profit, our customers can enjoy the best products.

When it comes to commercial, residential, and industrial lighting solutions, you can trust Youlumi, the 9-year of experience in light manufacturing.

Youlumi.com specializes in providing you with the led work light you need — in the home, business, retail, and industrial settings. We work with you one-on-one to get you the best lighting solution.

Why Choose Youlumi

Production Workshop:

More than 3,000 square meters of large production workshop, first-class factory. At the same time the operation of five production lines, all kinds of led work lights a stable daily output of 1000+, red physiotherapy series a daily output of 200+.

Production Management:

Excellent production management experience, has been adhering to the factory operation principle of timely delivery, in order to ensure the high quality of products while maintaining high production efficiency, absolutely ensure timely delivery, is a first-class partner.

Product Testing And Quality Control:

Each product has its own strict factory regulations, and after rigorous testing to ensure the quality of the product, it will be run for a certain amount of time (depending on the product) to make sure everything is up to standard. So please feel free to buy.

Integrating Sphere & Spectroscope Test:

Every batch of products will be sampled using Integrating Sphere and Spectroscope before leaving the factory.

We believe that testing is light manufacturing most basic but crucial part.

Strict requirements on product quality, and responsible for customers, in the end, is our corporate culture.

youlumi factory

Youlumi Warehouse And Transportation:

The best lighting manufacturers believe that safety is at the root of everything.

Youlumi Warehouse strictly adheres to safety standards. The safety of the warehouse and our customers’ goods is our lifeline.

We will deliver the products as soon as possible after they pass the test. We are looking forward to receiving satisfactory approval from customers.

balloon lighting

Expert Lighting Help For Every Project:

Throughout the last couple of decades, we’ve earned a loyal following of satisfied customers, from homeowners to professional contractors and everyone in between who demand the ideal lighting solution for just the right setting. Our skills and knowledge in manufacturing and distribution,  means you get a high-quality option at the most economical price.

A one-on-one service

A One-on-one Service To Develop Your Lighting Plan:

We’ll work with you to understand your budget, source the right choice, and get it to you quickly. Got any questions? Our experts will answer you one-on-one throughout the process.  As we remain committed to being your one-stop source for all things illumination — from buying and installing to maintaining and upgrading.

Keep up with market demand

R&D Keep Up With Market Demand:

Our research and development closely follow the market demand.  Support customers’ complete customization of products. This is a huge advantage that Youlumi has over most lighting manufacturers.

youlumi led test

Excellent R&D team:

We have a research and development team of 20 people, all of whom are senior technical engineers with many years of experience. They have obtained a number of patents and have industry-leading strength in RGB controllers. For example, our new RGBIC hoop lights are unique products in the world.

Youlumi R&D Team

1.Payment:

Samples: Bank TT,Paypal, 100% payment in advance; Bulk order: Bank TT, 30% deposit and balance 70% settled before shipment.

2.Manufacturer:

We have our own factory with over 6 years R&D and manufacture experience.

3.Delivery time:

Samples: 3-7 working days; Bulk order: 30-40 working days.

4. Quality Control:

100% of the lamps will be tested and keep lighting for 12 hours to test its quality reliability , and we will also test its; Each lamp should pass all these QC procedures before shipping to customer.

5. Shipping Method:

By Express: DHL, UPS, Fedex, a fast and safe way for shipping, normally 3-5 working days for delivery; By Air: In some area, the shipping cost by air is more favorable than by Express; 10-20 days for delivery; By Sea: the most economic shipping method, but cost longer shipping time; large quantity, heavy and not urgent goods can choose this way. Your shipping agent or forwarder. 6. After-Sale Service: Quick reply on customers' questions; If anything goes wrong with the products' quality, we will replace for you free. Make you a happy ordering.

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