OEM & ODM

marine batteries and
lithium rv batteries

10+ Years

JOINSUN has more than 10 years of experience in the lithium battery industry with fully automated production lines.

OEM & ODM

No matter where you need to use lithium batteries, we can provide a one-stop solution according to your needs!

Personal engineer

From communication to order confirmation, product production and processing and after-sales have exclusive engineers and you docking!

Featured Products

LiFePO4 Lithium RV Battery

In outdoor activities, safe, reliable and durable lithium batteries will bring you a different experience!

24V 200Ah
RV Lithium Battery

Basic25.6V, 100Ah
Rated Energy2.56kWh
Size523 x 269 x 218 mm
Weight40 kg
Cell TypeLiFePO4 (EVE)
FUNSelf-heating / Bluetooth

12V 150Ah
Marine Lithium Battery​

Basic12.8V, 150Ah
Rated Energy1.92kWh
Size330 x 172 x 215 mm
Weight14 kg
Cell TypeLiFePO4 (EVE)
FUNSelf-heating / Bluetooth

48V 100Ah
Lithium Golf Cart Battery

Basic51.2V, 100Ah
Rated Energy5.12kWh
Size500 x 355 x 247 mm
Cyc Life>6000cycles (DOD 80%)
Cell TypeLiFePO4 (EVE)
FUNSelf-heating / Bluetooth

Customized services based on your needs

We can provide RVs, boats, golf carts, forklifts or motorized scooters looking for a reliable, efficient and long-lasting energy solution!

12V 100Ah
RV Lithium Battery

Basic12.8V, 100Ah
Rated Energy1.28kWh
Size330 x 172 x 215 mm
Weight14 kg
Cell TypeLiFePO4 (EVE)
FUNSelf-heating / Bluetooth

24V 100Ah
Marine Lithium Battery​

Basic25.6V, 100Ah
Rated Energy2.956Wh
Size330 x 172 x 215 mm
Weight14 kg
Cell TypeLiFePO4 (EVE)
FUNSelf-heating / Bluetooth

72V 100Ah
Lithium Golf Cart Battery

Basic72V, 100Ah
Rated Energy7.2kWh
Size500 x 355 x 247 mm
Cyc Life>6000cycles (DOD 80%)
Cell TypeLiFePO4 (EVE)
FUNSelf-heating / Bluetooth

Our Company Qualification

The company fully seizes development opportunities, accelerates technological progress, enhances product branding and market competitiveness, improves R&D and innovation capabilities, and achieves strategic development goals. The technology center implements a three-level management system.

Our Test Report

Professional, enthusiastic and reliable lithium battery manufacturer.

Our strength lies in the dedication and expertise of our diverse team. Each member of our team is trained in specialized skills to ensure that every battery we produce is up to standard, safe and durable!

Why choose us

About Joinsun

Zigong Joinsun Technology Co., Ltd., established in September 2022, has a registered capital of 60 million yuan and covers an area of 100 acres. The company currently employs more than 200 people, including over 20 full-time and part-time R&D personnel. It owns 8 advanced coating production lines, 3 fully automated liquid injection production lines, 10 sets of fully automated electrode sheet rolling and winding integrated machines, 6 fully automated integrated welding machine production lines, and over 300 sets of formation and capacity testing cabinets, meeting the daily production capacity requirement of 20GWh.

works

Safe use is our top priority

works

Keeping innovation
our top driver

Our factory

We are factory direct sales, from consumers to stores to wholesalers to agents to general distributors to factory merchants, choose us to save a lot of intermediate links, to bring you the maximum profit margin!

Trade

JOINSUN

Participate in trade , we seize the opportunity to engage with customers face-to-face, gather feedback on our products, and identify emerging market trends. Our presence at trade shows reinforces our commitment to staying at the forefront of the industry and delivering innovative solutions to meet the evolving needs of our customers.

“the customer reigns supreme.”

微信图片_20250113212557
core value

Innovative diversion, quality first

We offer wide range of services from to delivering premium quality.
Common Questions

Most Popular Questions.

We have listed some questions you may ask. If you have more inquiries about our products, you can send an inquiry to contact us.

OEM battery pack specs for various vehicles encompass the specifications and characteristics of battery packs used by different manufacturers. These specs include battery capacity, voltage, energy density, and more. Understanding these specifications helps in comparing and choosing the right battery pack for specific vehicle models.
  1. Battery Capacity and Voltage: OEM battery pack specs include information about the battery capacity, which refers to the amount of energy the battery can store, and the voltage, which determines the electrical potential difference. These specifications play a crucial role in determining the range and performance of electric vehicles.
  2. Energy Density: Another important factor to consider is the energy density of the battery pack. Energy density refers to the amount of energy stored per unit of volume or weight. Higher energy density allows for longer driving ranges and improved overall performance.
  3. Other Relevant Details: OEM battery pack specs may also include additional details such as charging capabilities, cycle life, warranty, and safety features. These details help consumers make informed decisions when choosing the right battery pack for their specific vehicle requirements.

The biggest disadvantage of lithium-ion batteries is their susceptibility to thermal runaway, which can lead to overheating or fires if not properly managed. Additionally, they can be more expensive upfront compared to traditional lead-acid batteries and require specific charging equipment.
What shortens the life of lithium batteries?
Factors that shorten the life of lithium batteries include excessive heat, overcharging, deep discharging below recommended levels, high discharge rates, and poor-quality chargers. Regular maintenance and proper charging practices can help extend their lifespan significantly.

The title of the number one lithium battery manufacturer often goes to CATL (Contemporary Amperex Technology Co., Limited), known for its significant market share in electric vehicle (EV) battery production. Other leading brands include LG Chem, Panasonic, and Samsung SDI, recognized for their quality and innovation.

The battery is equipped with a smart Battery Management System (BMS) rated at 250A, which monitors critical parameters such as overcurrent, overcharging, and overheating, providing protection against potential hazards and ensuring safe operation.

Absolutely! We accommodate custom requirements, including thickness, width, color, and surface finishes (such as brushed, mirror, or colored coatings). Share your specific needs, and we’ll provide you with the best solution.

As China’s largest private exporter of stainless steel, we offer unmatched production capacity and extensive experience in global markets. We prioritize customer satisfaction, providing high-quality products, flexible cooperation models, and prompt, reliable services to ensure your success.

Want to enhance the enjoyment of your outdoor activities?

When you drive your car in the boundless wilderness, the caravan comes from the family laughter; when you drive a yacht in the sparkling sea breaking waves, enjoy the sea breeze; when you drive a golf cart in the green course, focus on swinging the ball, have you ever thought that there is a kind of power for these wonderful moments to provide a more powerful, longer-lasting, and more reliable protection? That is our lithium batteries, customized for outdoor activities, so that your every trip is full of unlimited possibilities!

JOINSUN

Get A Free SAMPLE

Please briefly explain your requirements, such as application scenarios, required dimensions, etc., so that we can provide you with a professional solution.

Our battery engineers typically reply within minutes.

Get A Free SAMPLE

Please briefly explain your requirements, such as application scenarios, required dimensions, etc., so that we can provide you with a professional solution.