Welcome to SUNLY

RV Battery

An RV battery is a custom product that significantly benefits those who love camping and outdoor adventures. Unlike conventional car batteries, RV batteries are designed to provide reliable power to all the appliances in your recreational vehicle, ensuring that you have the necessary power to operate your appliances off-grid.

What is an RV Battery?

In recent times, thanks to the advancements in lithium battery technology, there has been a significant improvement in the safety and reliability of lithium batteries. As a result, numerous RV manufacturers have started to install lithium batteries as standard or as an option for their users. This has led to an increased demand for lithium batteries among RV enthusiasts who often opt to modify their RVs after purchase. Lithium batteries are preferred over lead-acid batteries due to their lighter weight and higher storage capacity. Sunly offers a range of high-quality lithium RV batteries to cater to the increasing demand.

Why choose RV Battery

Higher operating voltage: Lithium RV batteries have a higher operating voltage than traditional lead-acid batteries, making them more efficient and effective in powering your RV.

Smaller size: Lithium RV batteries are significantly smaller in size than lead-acid batteries, which allows them to take up less space in your RV.

Lighter weight: Compared to lead-acid batteries, Lithium RV batteries are much lighter in weight, which is especially important when considering the overall weight of your RV.

Higher energy: Lithium RV batteries are capable of storing more energy than lead-acid batteries, allowing you to power your RV for longer periods without needing to recharge.

Lower self-discharge: Lithium RV batteries have a lower self-discharge rate than lead-acid batteries, which means that they can hold their charge for longer periods of time without needing to be recharged.

Longer cycle life: Lithium RV batteries have a longer cycle life than lead-acid batteries, meaning they can withstand more charge and discharge cycles without losing their capacity.

No memory effect: Lithium RV batteries do not suffer from a memory effect, which means that they can be charged and discharged at any time without affecting their overall capacity.

No pollution: Lithium RV batteries are environmentally friendly and do not produce any harmful pollutants or gasses during use.

a worker is operating the lithium ion battery making machine

Your Professional RV Battery Manufacturer

At SunlyPower, we specialize in manufacturing and supplying high-quality RV batteries. With our advanced technology and extensive industry experience, we are committed to providing reliable and long-lasting power solutions for your RV adventures.

We pride ourselves on serving customers like RV manufacturers, dealerships, rental companies, and repair shops. We offer high-quality, long-lasting batteries at affordable prices to enhance your customers’ RV experience and satisfaction.

pouch cell manufacturing
prismatic cell manufacturing
coin cell manufacturing
dry cell manufacturing

Fulfill your battery pack design in every detail

Sunly the best Chinese 18650 battery manufacturer has a tested-and-tried reputation in the battery manufacturing industry, boasting state-of-the-art facilities and experienced teams of engineers, chemists, and builders.

battery cell design

  • pouch cell battery pack design
  • prismatic cell design
  • tubular battery design
  • cylindrical battery cell design

battery management system design

  • bms pcb design
  • bms circuit design
  • bms hardware design
  • battery module design

basic battery design

  • battery pack shapes
  • battery pack dimension
  • battery enclosure design
  • battery casing design
  • battery container design
  • battery package design

battery structure design

  • Lithium Battery Materials
  • Lithium Battery Explosion Proof Strength
  • Lithium Battery Waterproof Grade
  • Battery Configuration

lithium ion battery structure Design

Selecting the right cell brands is vital for achieving the desired operational profile. By working with the certified brands that meet our criterion, including GB18287-2000, CE, UL, ROHS, UN38.3, MSDS, CQC, FCC, KC. Sunly qualifies the battery cells in our test labs to confirm that they perform according to customers’ battery design requirements. 

Battery Materials

PC, ABS, PC & ABS

Appearance Requirement

Specular Highlight , Texture

Battery Materials

UL-94V0, 94V1, 94V2

Battery Waterproof Ratings

From IPX1 to 9

Design Battery Management System

Empowered by an overcharge protection circuit, bms functioned for battery protection, SOC and SOH calculation, and cell balancing can be fulfilled flexibly in Sunly custom battery design configuration.

DC-DC+Basic Protection Option

DC-DC Input and outpu, with Basic Protection:

battery bms architecture options

I2C(SCL、SDL), HDQ, SMBUS, Fuses, Balancers, BLE and more

battery bms technologies

RS232, RS485, UART, CAN communication protocol

BMS Protection Voltage Range

Over-charge Protection Voltage, Over-discharge Protection Voltage, Over-current Protection Voltage

Branded Battery Cells Suppliers We Work With

Selecting the right cell brands is vital for achieving the desired operational profile. By working with the certified brands that meet our criterion, including GB18287-2000, CE, UL, ROHS, UN38.3, MSDS, CQC, FCC, KC. Sunly qualifies the battery cells in our test labs to confirm that they perform according to customers’ battery design requirements. 

Sourcing RV battery: Things to Know

The range of voltage for an RV battery can vary depending on the type and capacity of the battery. However, most RV batteries operate at a voltage range of 12 volts to 48 volts.

Yes, it is possible to customize RV battery packs according to your specific needs. Many battery manufacturers offer customization services for RV battery packs.



An RV battery can be used to power a wide range of devices and appliances in your RV, including lighting, heating and cooling systems, refrigerators, water pumps, entertainment systems, and more. It can also be used as a backup power source in case of power outages or emergencies.

The lifespan of an RV battery pack depends on several factors, such as the type of battery, usage patterns, charging and discharging cycles, and maintenance. Generally, a well-maintained RV battery pack can last anywhere from 3 to 7 years.

The price of an RV Battery can vary depending on the quality of the battery, the manufacturing process, and other factors. Our company may have lower manufacturing costs, better supply chain management, or other efficiencies that allow us to offer our products at a more competitive price. However, we always ensure that our batteries meet high quality standards and are safe and reliable for use in RVs.

Get in touch
Do not hesitate to contact us via the form below, we will reply to your message within 24 hours or sooner.

sales@sunlypower.com

+86 184 7633 0578

+86 769 80285025

INQUIRY NOW

Let's start your project