32kwh Lithium Battery 51.2V 620Ah for Hybrid and Off Grid Solar Power Storage Systems

Parameters for 51.2V 314Ah 32kwh Lithium Battery:

Model	JS-32KWH620AH
Rated Capacity (KWH)	31.7KWH
Configuration	1P16S
Nominal Voltage	51.2V
Nominal Capacity(Cell)	620AH
Battery Type	Lifepo4 3.2V 620AH Grade A Cell
Anode Material	LFP
Working Voltage(V)	42V to 58.4V
Rated Charge/Discharge Current(A)	150A @25±2℃
Max. Charging Current(A)	150A @25±2℃
Max. Discharging Current(A)	200A @25±2℃
Working Temperature(Charge)	0℃ to 55℃
Working Temperature(Discharge)	-20℃ to 55℃
Humidity(%)	5% to 95%
Altitude Range(m)	0 to 4000m
Storage Temperature(in one month)	-10℃ to 35℃
Storage Temperature(in three months)	25±2℃
Storage Humidity	65%±20%RH
Lifecycle	8000 cycles @25℃, 50A charge and discharge current 80%DOD
Residual Capacity Loss	≤3% @25℃ 20%SOC
Communication interfaces	CAN & RS485 & RS232
Net Weight	230KG
Dimension	720x740x550mm
Warranty	5 years
Leadtime for standard goods	5 to 10 days (fastest in 3 days)
Leadtime for customized goods	3 to 4 weeks for customized orders
Standard packaging	UN Wooden box packing (4D/Y190/S/25 CN/C530178)
After-sales service	Entire Lifetime technical support

Features

Flexible OEM Customization Service

Need your own brand or a specific setup? We accept OEM & ODM requirements and customized orders including logo branding, touchscreen, languages, colors, packaging, parallel function, WIFI, Bluetooth, APP, and custom design for BMS like PACE, JBD, TDT, JK, and other preferred brands, custom-made battery packs with preferred lithium cells like CATL, EVE, GOTION, CORNEX, HITHIUM, WELION, REPT, GREATPOWER, BYD…etc.

Large 32kWh Energy Storage Capacity

With a nominal capacity of 620Ah at 51.2V and a rated energy of 32kWh, this battery stores plenty of solar power for homes, villas, farms, and small businesses.

Grade A LiFePO4 Battery Cells

Nobody wants to replace a battery too often! Grade A LiFePO4 cells offer stable operation, good safety characteristics, and a long service life. The battery supports at least 8,000 cycles at 80% DOD under specified conditions.

Reliable Charging and Discharging

It supports a rated charge and discharge current of 150A, with a maximum discharge current of 200A. This helps provide a steady energy supply for hybrid and off-grid solar systems.

Flexible Communication Options

CAN, RS485, and RS232 communication interfaces make it easier to connect with compatible solar inverters. WiFi monitoring is also available as an optional feature, depending on the configuration.

Professional Support and Safe Delivery

From product selection to installation guidance, JSBESS provides technical assistance to help customers get started. Standard orders usually take 5 to 10 days to prepare, subject to stock availability, and customized orders generally take 3 to 4 weeks.

Introduction of 51.2V 620Ah 32kwh Lithium Battery

Product Operation Guide

• Check the battery: Make sure the battery, cables, and connectors are undamaged.
• Choose a location: Place it on a stable, suitable floor with proper ventilation.
• Connect the cables: Follow the wiring diagram and connect a compatible inverter.
• Set communication: Configure CAN, RS485 or other supported communication settings.
• Power on: Start the battery and inverter in the recommended sequence.
• Check everything: Confirm voltage, SOC, and communication status before normal operation.

For a better understanding of how to wire and connect a complete solar kit system, please watch the video below.

1. Product Introduction

Need more power for your solar energy storage system? This 51.2V 620Ah 32kWh lithium battery offers 31.7kWh of rated energy storage for hybrid and off-grid solar energy storage systems. Built with Grade A LiFePO4 cells and an integrated BMS, this lithium battery supports reliable power for houses, villas, mansions, and hotels. It is a good choice for families who has over 4 sets of air conditioners and other applications.

2. Product Advantage

Massive 32kWh Storage Capacity

Running out of stored solar power too quickly? This 32kWh lithium battery gives you a much larger energy reserve with its 51.2V 620Ah configuration. It stores plenty of electricity for nighttime use, backup power, and daily loads, making it a practical choice for large homes, mansions, and off-grid solar projects.

Grade A LiFePO4 Cells with 8,000+ Cycles

Nobody wants to replace a huge battery every few years! This lithium battery uses Grade A 3.2V 620Ah LiFePO4 cells and supports at least 8,000 cycles at 80% DOD under specified conditions. Its built-in BMS helps manage charging and discharging, providing reliable energy storage for long-term daily use.

Strong Power Output for Hybrid & Off-Grid Systems

Need to run several appliances or larger electrical loads? This 51.2V 620Ah lithium battery supports 150A rated charging and discharging current, with maximum discharge current reaching 200A. Its 42V to 58.4V working voltage range makes it suitable for compatible low-voltage hybrid and off-grid solar inverter systems.

Smart Communication & Easy System Integration

Connecting your battery to an inverter doesn’t have to be complicated. CAN, RS485 and RS232 communication interfaces are included, while WiFi is available as an optional feature. Our technical team can help check inverter compatibility and communication settings before shipment, making system integration much easier.

Fast Delivery & Reliable After-Sales Support

Got a solar project waiting for batteries? We can help. Standard orders usually ship within 5 to 10 days, with the fastest delivery reaching around 3 days when stock is available. Customized orders generally take 3 to 4 weeks. Every unit comes with UN wooden box packaging, a 5-year warranty and lifetime technical support.

3. Product Uses

• Large Home Energy Storage: Stores plenty of solar electricity for large households with multiple air conditioners, refrigerators and other high-power appliances.
• Villa Solar Storage: Provides a substantial energy reserve for villas with swimming pools, multiple rooms and higher daily electricity consumption.
• Off-Grid Solar Systems: Works with compatible inverters to provide independent electricity for remote houses and locations without reliable grid access.
• Farms & Agricultural Projects: Powers irrigation equipment, farm lighting, water pumps and other electrical loads in agricultural environments
• Commercial Backup Power: Provides backup electricity for shops, offices, hotels and small businesses during unexpected grid interruptions.
• Hybrid Solar Storage Systems: Stores photovoltaic energy and works with compatible hybrid inverters to improve solar self-consumption and backup availability.

4. Product Pain Points

Not Sure How to Install Such a Large Lithium Battery?

A 32kWh battery system can look a little intimidating, especially for first-time installers. Don’t worry! We provide a paper installation and operation manual, wiring guidance and online technical assistance to help you get the system connected correctly. Due to its 230kg weight, suitable lifting equipment and professional installation are recommended.

Worried About Battery Quality and Service Life?

Large capacity batteries are a serious investment, so quality matters. This model uses Grade A LiFePO4 cells and a built-in BMS, with a cycle life of at least 8,000 cycles at 80% DOD under specified conditions. We also provide a 5-year warranty for extra peace of mind.

Will It Work with My Hybrid or Off-Grid Inverter?

Different inverter brands have different voltage requirements and communication protocols. This battery supports a 42V to 58.4V working voltage range and CAN, RS485 and RS232 interfaces. Send us your inverter brand and datasheet, and our technical team can help check compatibility before you order.

Is the Battery Powerful Enough for My Project?

Not every solar project has the same electricity demand. With 32kWh rated capacity, 150A rated charging & discharging current and up to 200A maximum discharging current, this model provides substantial energy storage for larger residential and small commercial systems. We can also help you evaluate your daily load requirements.

What If I Have Technical Problems After Delivery?

Our service doesn’t stop when the battery leaves the factory. We provide lifetime technical support to help with inverter communication, installation questions, battery settings and basic troubleshooting. No matter you are a distributor, installer or contract developer, our technical team is here to help.

Can You Deliver the Battery Safely to My Country?

Yes. We use UN wooden case packaging for standard shipments and can provide relevant transportation documents according to the product configuration and shipping requirements.

JSBESS Company Information:

We are looking for agents, distributors, and BESS solar project developers for solar energy storage systems, lithium battery packs, and hybrid inverters.

If you are searching for a reliable and high-quality BESS (Battery Energy Storage System) manufacturer in China, Guangzhou JSBESS is your trusted partner. With over a decade of expertise in R&D, production, and global distribution, we provide advanced home, commercial, and industrial energy storage solutions that are safe, efficient, and fully certified to international standards. Our customizable systems support diverse applications from residential solar backup to large-scale grid integration, helping customers achieve energy independence and sustainability.

Guangzhou JSBESS is a leading solar energy storage system supplier in China. We are a trusted provider of advanced renewable solar energy solutions, integrating product R&D, design, manufacturing, and global sales. With over a decade of experience, we specialize in home energy storage systems (HESS), commercial and industrial energy storage (C&I BESS), and EV charging infrastructure, delivering safe, efficient, and sustainable power solutions to customers worldwide.

At JSBESS, technological innovation is at the core of our competitiveness. Our state-of-the-art, automated, dust-free workshop and internationally recognized testing laboratories allow us to produce more than 500,000 high-quality solar battery storage products annually.

Shipping

FREE shipping on all retail-only orders in Guangdong Province, China.

Please contact customer service for shipping of wholesale and bulk orders

VAT & Customs Duties

Freight charges and taxes vary by country. In some countries, additional freight charges or taxes are required. For example: Switzerland, Norway, Mexico, Brazil, India, etc..

Delivery Countries

Asia Pacific

Malaysia, Philippines, Singapore, Thailand, Vietnam, Myanmar, Cambodia, Laos, Australia, New Zealand, India, Pakistan, Afghanistan,Bangladesh, Nepal, Sri Lanka.

Europe

Austria, Belarus, Belgium, Bulgaria, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, United Kingdom, Ukraine, Russia.

* Please note that some certain regions can not be delivered, please contact customer service for further details.

Middle East

UAE, Egypt, Iran, Iraq, Jordan, Kuwait, Lebanon, Oman, Qatar, Syria, Yemen, Palestine, Turkey, Cyprus.

North America

Canada, United States, Mexico.

* Please note that some certain regions can not be delivered, please contact customer service for further details.

Is your required delivery country not included? Please feel free to contact us or email info@jsbesssolarbatteryenergystorage.com. Please provide the shipping address and zip code to us, so that we can check and confirm the rate and service area.

Mid-Asia

Kazakhstan, Kyrgyzstan, Tajikistan, Uzbekistan, Turkmenistan.

Our Delivery Time Information

Total Delivery Time = Handling Time + Transit Time (+ any holidays and weekends)

Warehouse	Shipping Option
CN	By Sea+Express (Fedex/DHL/UPS, SF Express)

Ship to EU

Warehouse	Shipping Option
CN	By Railway/Sea+Express (DPD/UPS/TNT/DHL/Fedex)

Ship to Asia Pacific/Middle East

Warehouse	Shipping Option
CN	By Sea/Railway+Express (DHL/UPS/Fedex/TNT)

* The above transportation time is only a reference time for regular orders, excluding inspection time or other special times, such as natural accidents, congestion, and other unpredictable factors.

* The tracking detail will be updated after picking up by local express. Please wait patiently or contact us for help.

* Countries that do not listed above, Please contact our customer service for further details.

Shipping Notice

When placing an order, be sure to enter the correct name, address, and contact information so that we can deliver the goods successfully.

If you enter the wrong shipping information, please contact us in a timely manner. We will contact logistics personnel to solve the problem immediately.

If you require to change the address after the order has been shipped, we cannot guarantee that it will be updated properly. In addition, you are responsible for all possible risks and expenses caused by changing the address after the order has been shipped.

JSBESS assumes no responsibility for delayed or rejected orders due to the following reasons:

1. Delay or delivery failure because of the consignee’s actions. These actions include, but are not limited to: changing the address after shipment, entering an unknown address or wrong address, entering incorrect contact information, and refusal to receive, etc.
2. Delay or delivery failure because of the consignee’s actions. These actions include, but are not limited to: changing the address after shipment, entering an unknown address or wrong address, entering incorrect contact information, and refusal to receive, etc.
3. Delay due to force majeure. “Force majeure” means an unforeseen, inevitable, or insurmountable objective situation and other objective conditions that cause delayed shipping, including, but not limited to: national or regional air or ground transportation system controls or interruptions (e.g., weather reasons), communication system interference or malfunction, government actions, postal administration policy changes, wars, earthquakes, typhoons, floods, fires, heavy rain, heavy fog, and other similar events.
4. Aviation contraband, mobile phones, electronic products, fragile products, and other products that are not available for air freight service due to aviation security regulations.
5. Shipments that are confiscated or disposed of due to a violation of transportation regulations.
6. Mail and packages cannot be delivered to the consignee’s address during weekends, national holidays, and festivals.
7. The consignee address is a school, unit, or residential community where the courier has no access.

Order And Logistics Tracking

Notification

After the order is shipped, you will receive a notification containing the waybill number.

Inspection And Sign

As JSBESS products are generally quite valuable, please inspect the package upon delivery. If it’s damaged or deformed, do not sign the delivery or open the package. In such cases, please contact us.

Once you (or someone else on your behalf) signs for the item, JSBESS will consider this your acceptance of the package, quantity, and product. To protect your rights, you are highly recommended to shoot a complete unboxing video and check the items according to the packing list. If items are missing or damaged, please contact us within 24 hours after you receive the package so that we can resolve the problem immediately.

Security

JSBESS values your privacy and will keep all information confidential. We will never sell or use your information for any other purpose than to deliver your order.

If you have any further questions, please contact us.

Email: info@jsbesssolarbatteryenergystorage.com

Phone/WhatsApp: +86 13684961481  | Hours 9 – 4 Pm, Monday~Friday, (GMT+08:00)

Thank you very much for choosing JSBESS. We guarantee that all our products are strictly tested by our quality inspector before delivery. If you have any questions after receiving the products, please contact us by email: info@jsbesssolarbatteryenergystorage.com.

Return Policy

We have a 30-day return policy, which means you’ll have 30 days to request a return after receiving your item. After you email us to apply for a return, we will reply to you in 48 hours.

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need to provide a receipt or proof of purchase when applying for a return.

Shipping Cost

The shipping cost for returning the products will be borne by JSBESS or the customer by following situations.

When JSBESS Pays For Return Shipping

JSBESS will pay for the cost of return shipping if the reason for the return was the result of OUR error.

Examples of instances may include:

Item arrived defective and cannot be fixed with a replacement part.

We shipped out the wrong item.

We shipped it to the wrong address.

We shipped a duplicate order.

Item malfunctioned during the 30-day returns period. (The customer should install and operate the item properly per the product manual instructions.)

IMPORTANT

For items that arrive damaged or are defective, the customer MUST provide videos or photos to support the claim that the item arrived damaged or is malfunctioning. If a customer refuses to or fails to provide videos or photos of a claimed malfunctioning/damaged item, this return will be treated as “buyer’s remorse”, and the customer is solely responsible for shipping it back.

If a customer claims an item is defective/damaged, the customer must provide proof prior to return, with no exceptions.

If the return request for a damaged/defective item can be fixed with simple parts and support, we can provide the option of free replacement part(s) and advice on how to repair your item if the customer finds that to be the easier solution so you don’t have to ship a large bulky item back.

Once we have received the approved returned item, we will review its condition. If the item is found to be defective, we will issue a refund within 7 workdays.

When the Customer Pays For Return Shipping

In the case of a return due to customer error, return shipping is the customer’s responsibility and shipping charges are paid by the customer. Fees vary by region.

JSBESS will provide the pre-paid return shipping labels to the customer and the shipping cost for returning the products will be deducted from the refund.

It is important to note that any order offered with special shipping charges is subject to a deduction of our actual outbound shipping costs.

After the 30-day returns period, customers may use the JSBESS Warranty Policy for repairs if the item is faulty or malfunctioning. Please refer to the JSBESS Warranty Policy for details.

Return Address

Please contact JSBESS customer service by email (info@jsbesssolarbatteryenergystorage.com) to obtain the return address.

Refund Policy

The customer can return or refund a product for up to 30 days from the date received it. Please keep the receipt or proof of purchase.

We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, the customer will be automatically refunded on the original payment method within 3 workdays. Please remember it can take some time for the payment bank or credit card company to process and post the refund too.

Returns may be requested for a refund if one of the following conditions is met:

Within 30 days of receiving the goods, the customer finds that the product has been damaged during transportation and can provide a certificate of damage;

Within 30 days of receiving the goods, the customer finds that the product is seriously inconsistent with the description of the original product in one or more important aspects;

Within 30 days after the customer receives the goods, it is found that the product has a performance failure that is not artificially damaged.The customer should assist us in completing all the battery testing, and both parties confirm that the product does have quality problems.

Cancellation of order

JSBESS generally sends out your orders within 5-12 business days. To cancel an order, please contact JSBESS as soon as possible to cancel the order and the customer will get a refund within 24 hours if the products have not been sent out.

But if the product for the order has been shipped, we will refund the payment within 7 workdays after the shipped product is returned.

To cancel your order, please contact us via info@jsbesssolarbatteryenergystorage.com.

More Information

For more information about our privacy practices, if you have questions, or if you would like to make a complaint, please contact us at info@jsbesssolarbatteryenergystorage.com.

Warning:

1. During the use of lithium battery products, please follow the “Product User Manual” and “Product Specifications” and do not use in violation of relevant regulations.

2. Lithium batteries should be properly placed in a dry and cool place. Do not use supplementary electricity for more than 3 months to ensure the life of lithium batteries. During use, pay attention to waterproofing, moisture, anti-static, and keep the battery away from heat sources, etc.

3. Do not throw lithium batteries into a fire or heat. Do not throw lithium batteries into water or get them wet.

4. It is forbidden to short-circuit the positive and negative poles of lithium batteries or short-circuit them through metal.

5. It is forbidden to place or transport lithium batteries with other metal objects. It is forbidden to hit or squeeze lithium batteries with heavy objects. It is forbidden to pierce lithium batteries with nails or sharp objects.

6. It is forbidden to charge lithium batteries with unofficial lithium battery chargers.