12V Lithium Battery 300Ah

Everything else about the 12V 300Ah Lithium Battery is extra except for the weight. Bringing in an impressive capacity, advanced features, and ultra-safe operation, you'll never have to worry about losing power with this. It's also about 60% lighter than conventional battery packs, making it the perfect drop-in upgrade for your existing, heavy batteries.

Get winning performance with every use - this battery pack is built with grade-A prismatic cells all engineered to deliver long-lasting, quality power. The battery has an automatic built-in battery protection system (BMS) that keeps the battery running at peak performance and protects the battery for thousands of cycles.

12V 300Ah Lithium Battery Features

  • Maintenance-free operation;

  • The long service life of 10~15 years;

  • Inbuilt BMS multiple security protection;

  • High-quality lithium iron phosphate batteries, safe and reliable;

  • More rechargeable time, longer lifetime, economic and environmental protection.

Features of golf lithium battery

Suitable for 12V Lithium Battery 300Ah Application Scenarios

Lithium-ion Home Energy Storage Battery

Lithium-ion Home Energy Storage Battery

Lithium-ion Off-grid Solar Battery

Lithium-ion Off-grid Solar Battery

Lithium-ion Electric Bike Battery

Lithium-ion Electric Bike Battery

Lithium-ion Electric Boat Battery

Lithium-ion Electric Boat Battery

Lithium-ion Golf Cart Battery

Lithium-ion Golf Cart Battery

LiFePO4 Aerial work platform Battery

LiFePO4 Aerial work platform Battery

Lithium-ion Wheelchair Battery

Lithium-ion Wheelchair Battery

Lithium-ion ATV & UTV Battery

Lithium-ion ATV & UTV Battery

Advantages of 12V Lithium Battery 300Ah

Extended Lifespan

Lightweight and Compact:

Compared to traditional lead-acid batteries, the 12V 300Ah Lithium Battery is significantly lighter and more compact. Its compact size makes it easier to install and transport, enhancing convenience for various applications.

Higher Efficiency

Enhanced Safety Features:

The 12V 300Ah Lithium Battery incorporates various safety features to ensure safe operation. It includes protection against overcharging, over-discharging, and short circuits. Additionally, it has a thermal management system that actively monitors and regulates the battery's temperature, preventing overheating and potential hazards.


Low Maintenance: 

Compared to lead-acid batteries, the 12V 300Ah Lithium Battery requires minimal maintenance. It does not require regular water addition or specific equalization charging. Simply keep the battery clean and store it in a cool and dry place when not in use.

Enhanced Performance

Versatile Applications:

This lithium battery is suitable for a wide range of applications. It is commonly used in recreational vehicles (RVs), boats, solar power systems, off-grid setups, and backup power systems. It provides reliable and consistent power for appliances, lighting, electronics, and more.

12V Lithium Battery 300Ah - 12V Lithium Battery 300Ah Manufacturers

7 years professional 12V lithium battery 300Ah manufacturers, 10-year warranty on battery packs, using the best PACE/DALY/JBD BMS protecting the lithium battery pack from overcharge, over-discharge, over-current, short circuit, etc. The batteries can configurable Bluetooth function & can be connected in series and parallel. The heating function and other special functions can also be customized. We have enough raw materials stock ready for assembling, the sample can be ready to ship around 15days.

Lithium ion Golf Cart Batteries - lithium ion battery Manufacturers

Battery Management System (BMS) Overview:

The 12V Lithium Battery 300Ah is equipped with an advanced battery management system (BMS). This system monitors the battery's voltage, temperature, and state of charge to ensure optimal performance and safety. It provides overcharge and over-discharge protection, balancing the individual cells, and preventing damage from excessive charging or discharging. The BMS also includes built-in safeguards against short circuits and thermal runaway, enhancing the overall safety of the battery.

Battery Safety Introduction:

Safety is a top priority with the 12V Lithium Battery 300Ah. It incorporates various safety features to mitigate potential risks. The battery has built-in protection against overcharging, over-discharging, and short circuits, ensuring safe operation. Additionally, it is equipped with a thermal management system that actively monitors and regulates the temperature, preventing overheating and enhancing the battery's lifespan. These safety measures provide peace of mind during usage.

Why Buy From Us

Top Quality Cell

Automotive Grade Lithium Battery

LiFePO4 battery have exceptional quality since they are manufactured by Automotive Grade LiFePO4 Cells with higher energy density, more stable performance & greater power. Highest-level safety based on UL Testing Certificate for the cell inside the battery.This makes li-iron batteries perfect for solar home, RV, campers, motor homes, off-grid applications.

Small Order Acceptable

15 Years Lifetime

LiFePO4 battery provides 4000~15000 cycles (15 times longer) 4000 Time Cycles at 100% DOD, 6000 Time Cycles at 80% DOD, 15000 Time Cycles at 60% DOD & a 15-year lifetime compared to 200~500 cycles & a 3-year lifetime in lead acid battery.

OEM/ODM Acceptable

Lightweight-Easy to Move

LiFePO4 Battery Weighting only 24.25 lbs for one module, it’s weighs only 1/3* the weight of lead acid batteries. LiFePO4 battery is 50% lighter than lead acid battery with the same capacity.

Door to Door Logistic Service

95%* Efficiency

LiFePO4 battery’s flat discharge curve holds above 12.8V for up to 95%* of its capacity usage, providing astronomical boosts in run-time compared with only 50% in Lead Acid. This product is your best choice for outdoor camping power and indoor easy installation. Without memory effect, no matter what state the battery is, it can be used as soon as it is charged.

1000+ Happy Customers

Strict Protection

LiFePO4 battery has built-in BMS to protect it from overcharge, over-discharge, over-current, high temp and short circuits. Operating Temp: Charge: 0°C~50°C; Discharge: -20°C~60°C.

Great Team

Top Quality Cell

We own 10 cells warehouses and we have rich channel for EVE, CATL,li-ion battery, and lifepo4 battery, all the cells are brand new, grade A+ quality with excellent consistency to ensure the overall performance of complete assembled battery packs.

Custom 12V Lithium Battery 300Ah Cooperation Process

Confirm Customer Needs

Step 1: Confirm Customer Needs

Please contact us by phone or email and we will reply with custom battery design within 24 hours! Confirm the customer's application requirements such as: lithium battery parameters, performance, working environment, appearance, size, etc.

Project Review

Step 2: Project Review

We will try to find the best solution for your custom project and provide detailed price, delivery time and payment details

2D, 3D Design And 3D Sample Confirmation

Step 3: 2D, 3D Design And 3D Sample Confirmation

According to customer needs, put forward a preliminary product design plan. And make 3D samples according to the design plan. Then send the drawings and samples to the customer for confirmation.

Mold Development

Step 4: Mold Development

Open the mold, according to the 3D sample confirmed by the customer. Test the comprehensive performance reliability of the product. Then modify the mold until the customer confirms OK.

Product and Tooling Confirmation

Step 5: Product and Tooling Confirmation

If the sample goes well, you can send us the deposit, we will start mass production, you can send the QC staff during the production or when it is finished.


Step 6: Shipping

We will find the best reliable way to ship the battery to you, along with all required shipping documents such as MSDS, UN38.3, IEC62133.

12V Lithium Battery 300Ah Buying Guide

When looking to buy a 12V Lithium Battery with a capacity of 300Ah, there are several key factors to consider. Here's my step-by-step guide based on my research and personal experience:

  • Determine your power requirements: Before purchasing a battery, assess your power needs. Calculate the total power consumption of your devices or equipment that will be powered by the battery. Ensure that the battery's capacity of 300Ah is sufficient to meet your requirements.

  • Research reputable brands and manufacturers: Look for well-established brands known for their quality and reliability in the battery industry. Check customer reviews and ratings to gauge the overall satisfaction and performance of the batteries they offer.

  • Consider battery lifespan and warranty: Look for batteries that have a long lifespan to ensure extended usability. Check for warranties provided by the manufacturers, as they can be indicative of the product's quality and the manufacturer's confidence in their product.

  • Assess safety features: Safety should be a top priority when purchasing a lithium battery. Look for batteries that have built-in protection mechanisms against overcharging, over-discharging, short circuits, and overheating. This ensures the safety of both the battery and the devices connected to it.

  • Check compatibility: Ensure that the battery is compatible with your devices or the system you intend to power. Check the voltage requirements and connectors to make sure they align with your equipment.

  • Consider the battery's weight and size: Depending on your specific application, the weight and size of the battery might be important factors to consider. Evaluate whether the battery's dimensions and weight are suitable for your intended use, especially if you have space constraints or need to transport the battery frequently.

  • Compare prices and value for money: Research different suppliers or online stores to compare prices for the specific battery you're interested in. Take into account the features, quality, and reputation of the brand to assess the overall value for money.

  • Seek expert advice if necessary: If you have specific technical questions or require additional information, don't hesitate to reach out to experts or professionals in the field. They can provide valuable insights and help you make an informed decision.

  • Purchase from a trusted retailer: Once you've made your decision, buy the battery from a reputable and authorized retailer. This ensures that you receive a genuine product and have access to customer support if needed.

Remember, the key is to invest in a high-quality battery that meets your power requirements and offers safety and longevity. By following these steps, you can confidently purchase a 12V Lithium Battery with a capacity of 300Ah that suits your needs. Happy shopping!

Frequently Asked Ruestions

How long does the 12V Lithium Battery 300Ah last?

The battery's lifespan depends on various factors, such as usage patterns and maintenance. However, with proper care, it can last for several years.

Can I use the 12V Lithium Battery 300Ah in extreme temperatures?

This battery is designed to operate within a wide temperature range, but extreme temperatures can affect its performance. It is recommended to avoid exposing it to temperatures outside the specified operating range.

What is the lifespan of the 12V Lithium Battery 300Ah?

The battery's lifespan depends on various factors such as usage patterns, depth of discharge, charging methods, and maintenance. Generally, with proper care and regular usage within recommended parameters, it can last for several years.

Can I connect the 12V Lithium Battery 300Ah in series to increase the voltage?

No, the 12V Lithium Battery 300Ah is designed to provide a 12V output. Connecting multiple batteries in series will increase the total voltage, but it is crucial to consult the manufacturer's guidelines and recommendations before attempting any battery configurations.

Can I use the 12V Lithium Battery 300Ah for high-power applications?

The 12V Lithium Battery 300Ah is capable of providing high-power output for various applications. However, it is essential to consider the specific power requirements of your application and ensure that the battery's capacity and discharge capabilities meet those needs.

Can I use the 12V Lithium Battery 300Ah in a solar power system?

Absolutely! The 12V Lithium Battery 300Ah is an excellent choice for solar power systems. It can efficiently store the energy generated by solar panels, providing a reliable and sustainable power source for your off-grid or backup power needs.

Can I charge the battery with a standard charger?

It is crucial to use a charger specifically designed for lithium batteries. Using an incompatible charger may damage the battery or compromise its safety.

Can I connect multiple batteries in parallel?

Yes, you can connect multiple batteries in parallel to increase the overall capacity. However, ensure that the batteries are of the same type, capacity, and age for optimal performance.

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