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Best quality 2.56kWh-1505kWh Lithium Battery Price for BESS

Check Lithium Battery Factory price, over 15 years life span, and help you create power in Remote areas/Home/Farm/Hotel/Commercial. Solve power shortage. Battery Energy Storage System

MOQ: 1 set, accept OEM & ODM

Type: Off-grid with battery back up

Payment: T/T, L/C, Paypal, Western Union

PVMARS Solar Energy storage technology factory, always with your needs as the core
PVMARS Solar establishment time and advantages

16 years

Leading photovoltaic energy storage technology

24 hours uninterrupted power supply solution

24 hours

Intelligent remote monitoring of 24-hour power supply

Meticulous and warm solar expert

24/7 online

We only care about how YOU feel
To your satisfaction

Lithium battery production line

PVMARS Factory -100% Lab


In strict accordance with the German 5S technical standard, our production workshop has marked the production time, model, quantity, and other information for each raw material. Successfully ensure the high quality and efficiency of finished products.


Global authoritative certification

PVMARS products have passed TUV, IEC, ISO, CE, and RoHS quality certifications.

Before leaving the factory, our testers will perform no less than 120 extreme impact tests, and all kinds of inspections in order to get your approval.

PVMARS Solar Energy Storage Factory Certificate Of Authority

PVMARS Lithium Battery Advantages

Choose and calculate lithium battery capacity
The appearance color of lithium battery can be customized
  • The process is divided into gears to ensure 100% discharge for 4000 cycles, and 80% discharge depth can be 6000 times.
  • The electric core data can be traced, and the whole chain is controlled and high-quality after-sales service.    
  • Laser welding technology has low impedance, no heat, better conductivity, and a service life of up to 15 years.
  • Inspected and approved by China Customs as part of UN34801 dangerous goods carton packaging and issued a formal dangerous package certificate. Safe export is guaranteed, so you can use it confidently.
  • Packed with high-performance LFP single cells, long life, safety, and a wide temperature range
  • High energy density, small size, lightweight, no pollution.
  • Built-in BMS, with battery voltage, current, temperature, and health management.
  • LED indicates battery SOC and operating status.
  • LCD screen displays battery voltage, current, temp., SOC detail information.
  • Support communicating with solar inverters by CAN or RS485.
  • Flexible dimension customization.

Your dedicated engineers are ready to start customizing your energy storage system!

Lithium battery Specification

Product Model





                                           Battery pack
Battery pack modle51.2V50Ah51.2V50Ah51.2V100Ah51.2V100Ah
Battery cell typeLiFePO4
Battery pack dimension530*420*161MM530*420*161MM700*460*166MM700*460*166MM
Battery pack weight26KG26KG38KG38KG
Number of battery packs3pcs3pcs4pcs4pcs
                                             System parameters
Rated voltage51.2V
Working voltage range40V-58.4V
Charge voltage54.4V-55.2V
Floating charge voltage53.6V-54.4V
Rated capacity150Ah200Ah300Ah400Ah
Rated charge current100A
Peak charge current100A
Rated discharge current100A
Peak discharge current150A
Product dimension(L*W*H)450*145.5*620MM450*145.5*620MM450*235*650MM450*235*650MM
                                              Other parameters
Charge temperature47KG49KG89KG92KG
Discharge temperature0-55℃
Optimum temperature-10-55℃
Cooling methodNatural cooling
Relative humidity5%-95%
Cycle life≥6000 @80%DOD,0.5C/0.5C,25℃
Communication interfacesCAN2.0/RS485/RS232
ProtectionOver temperature, over current, over voltage, insulation and other multiple protection ,etc.
DisplayLCD touch screen
Design lifetime≥15 years

Lithium battery detail diagram

lithium-battery Detail diagram

Lithium battery capacity calculation

We use high-performance and high-capacity batteries that last for a long time, so you can use them from morning to night, and the performance is stable!

5kW lithium battery Up to 30kWh per day

10kW lithium battery Up to 70kWh per day

15kW lithium battery Up to 100kWh per day

This analysis lets you evaluate important parameters such as capacity, internal resistance, and cycle life.

17 years of professional installation team

1MW solar grid system installation
PVMars solar and wind power system case

Mr. Li, the founder of PVMARS Solar, has been to more than 32 countries for field surveys and solar energy storage system installation. He has trained 5 core solar system and wind turbine system installation experts, as well as a number of overseas installers.

If you need our overseas installation service, the engineer will arrive at the installation site within 10 days after the goods arrive at the port.

In addition, for users who purchase our photovoltaic energy products, wind turbine products, solar all in one street led light products, and solar air conditioning products, we will provide the paper version of installation instructions and electrical drawings with the shipment of goods, as well as the electronic version online.

For the needs of different users, to ensure the correct installation of the product, your dedicated engineers have been waiting online, at any time to video remote communication with you, patiently guide you step by step to complete the installation, and debug the operation of the machine etc. Ensure that you are protected from all hidden dangers.

By partnering with experienced PVMARS Solar, you can be confident that your installation project will be successful. This will meet your renewable energy needs for 25 years and more.

PVMARS Case Study Wall





In this world, there are many clean energy sources, but only photovoltaicss is the most reliable power supply. The closest to our life is a kind of renewable energy everywhere. The future of photovoltaic energy will be because of technological innovation, and the cost will be lower, we will live an independent and free life.

PVMARS Solar is one of the most innovative manufacturers of solar energy storage technology.

This is for you to pursue safer, more convenient, and more competitive prices for solar products.

PVMARS Solar History

Us VS Them

Direct manufacturer pricing, no middleman markups.

We are able to offer durable equipment at competitive price.


Q: What does this PVMARS system include?

A: A complete off-grid or on-grid solar clean energy system, including all accessories required for installation.

Q: Can I customize one?

A: Of course, you can customize the most efficient solar power system. Your exclusive solar expert is waiting. To provide you with any energy solution, customized according to different power consumption, actual use of equipment, scenarios etc. Solar systems come in different configurations.

Q: Who is responsible for transportation? Or home delivery?

A: There will be dedicated staff responsible for your products’ production, packaging and shipping. To deliver goods safely to the destination port by sea or air. The entire process, including transportation and customs clearance, is handled by us. Europe, Asia, Africa to provide home delivery or nearby pickup service. Provide relevant packing and shipping documents and information on time.

Q: What is the lifetime of a solar power system?

A: The life of the solar panel is 25 years, the charger controller is 5-7 years, the inverter is 5-7 years, and the battery is 8-10 years. Our IOT monitors the installation and operation of your solar power system in real time to extend service life.

Q: Are there any protection measures for solar power overload, and how do electricity leaks, lightning strikes, and hail happen?

A: PVMARS Solar’s PV combiner box and inverter have overload safety functions. To protect each other, they will disconnect the connection with your equipment in the event of abnormal voltage, such as lightning strikes and leaks. After the voltage is restored automatically, the solar system will start automatically. Secondly, the photovoltaic module floor is made of excellent impact-resistant tempered glass. This glass can withstand 200Pa wind stress and 7200Pa snow stress after strict trial and test when passing EU certification.

Q: What can you expect from PVMARS Solar?

A: In addition to providing products, PVMARS solar also provides free on-site survey, customized design solutions, production, installation and maintenance one-stop services.

Customized 24-hours off-grid solar energy system

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