5KWh/10KWhRack Mounted Energy Storage Battery

SKU YL-ES-R Category




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Wholesale Energy Storage Battery, Youlumi is a leader in energy storage system development, solar storage battery, and lifepo4 battery energy storage at home.

Youlumi Rack Mounted Solar Storage Battery YL-ES-R series is enjoying a good reputation in the solar battery system, and telecom base station industry with its high efficiency, longer cycle life, and high performance.

The important thing about this telecom battery is scalability so you can extend its capacity by adding additional batteries only and raise storage up to 81.92kW, with no extra hardware needed when connected in parallel! What’s more, the built-in super smart BMS supports the programmable technical value and lets you monitor the battery status in real time!

Rack Energy Storage Battery

Energy Storage Battery


Youlumi rack mount battery backup YL-ES-R is a solar energy storage system, a wise investment for home and business power storage, and a huge help to individuals who want to save money on power, prepare for environmental emergencies or go entirely off the grid.

Youlumi rack mount battery backup YL-ES-R is a well-designed smart energy storage device that is perfectly suited for such off-grid applications. YL-ES-R series include 100Ah and 200Ah different electric current options. It means 4.8kwh, and 9.6kwh as the different electric capacities for option too.

Youlumi Rack Mounted Energy Storage Battery adopts highly reliable Lithium battery cells for long cycle life (2000+) and consistent performances. The battery packs use an advanced Battery Management System (BMS) to enhance system performance, prolong life, and warrant safety.



Solar storage battery

Technical Specifications-Rack Mounted Energy Storage Battery
Model YL-ES-R05 YL-ES-R10
Rated Voltage 51.2V
Rated Capacity 100Ah 200Ah
Rated Energy 5.12KWh 10.24KWh
Internal Resistance ??30m??
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 57.0V 0.5V
Max. Continuous 100A
Work Current
Discharge Cut-off Voltage
45.0V 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 483*680*178mm /
19.02″x26 77″x7.01″
483*680*178mm /
19.02″x26 77″x7.01″
Weight 58kg 96kg
Protocol (optional) RS232-PC, RS485(B)-PC RS485(A)-Inverter, Canbus-Inverter

Why Choose Youlumi solar storage battery?


  • Youlumi Battery Upgrade our lifepo4 battery with The Lastest Battery Technology

Youlumi upgrades a new generation of lithium-ion batteries for the telecommunication base station. It is LiFePO4 Battery Pack with GPRS Data Transmission Units(DTU) which are able to help customers track the battery location and monitor the battery status with remote control.

  • High-Quality Battery Cell Provides Long Operating Life

Designed with high-quality chemistry, Youlumi lithium-ion batteries own longer charging and discharging cycle times (2500 cycles) compared with lead-acid batteries. And the capacity fading is slow and predictable without a sudden drop. Also, Youlumi Lithium-ion batteries are recycling batteries with long service life.

  • Youlumi battery energy storage system Independently developed BMS Provides Quality Assurance

Youlumi battery energy storage system has our own R&D team for BMS, providing more effective battery protection to improve the stability of the battery and prolong battery lifespan.

  • High/Low-Temperature Resistance Provides Superior Performance

With outstanding quality battery chemistry, Youlumi lithium-ion battery owns good temperature resistance. The working temperature can range from -20°C to 60°C and it is an ideal replacement for the traditional lead-acid battery.

  • Compact size, lightweight, ideal replacement for the lead-acid battery

The characteristic of the high energy density of Youlumi lithium-ion battery makes space saving possible. Compared to lead-acid batteries, the weight of lithium-ion batteries is 1/3 of that of lead-acid batteries. The compact size and same capacity make lithium-ion batteries a more sensible investment than utilizing the lead-acid battery.

The Application Scenarios of rack mount battery backup

Application scenarios

Wholesale Energy Storage Battery

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


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


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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Fill out the form below and we will get back to you within the next 24hours.