12V Lithium Battery 400AH

12v 400ah battery offers numerous selling points and advantages, including high energy density, long cycle life, safety, stability, fast charging, versatility, and environmental-friendliness.

This high-capacity lithium-ion battery pack has an output voltage of 12V and a current capacity of 400Ah, it is the perfect solution for uninterrupted power supply. It is equipped with a 250A BMS, which helps to prevent over-charge, over-discharge, and short circuits. This battery is known for its superior performance, longer lifespan, and eco-friendly nature.As an avid user of 12V lithium batteries, I would like to share my insights on the remarkable features, applications, advantages, maintenance tips, battery management system, safety aspects, purchasing guidelines, and frequently asked questions related to this specific battery type.

12V Lithium Battery 400Ah Features:

  • Tier One, A+ Cell Composition

  • 99% Efficiency LiFePo4 16-Cell Pack

  • Max Energy Density

  • Flexible Racking Options

  • Environmentally Friendly & Lead-Free

  • Stress-Free Battery Bank Expansion Capacity

  • Longer Lasting; 10-20 year Design Life

  • Reliable Built-In BMS, Voltage, Current, Temp. and Health Management

Features of golf lithium battery

Suitable for 12V Lithium Battery 400AH 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 400AH

Extended Lifespan

Higher Capacity: 

A 48v battery can have up to 4x the capacity of a 36v battery, which means it will be able to power more devices.

Higher Efficiency

Longer Life: 

A 48v battery will last substantially longer than a 36v battery due to its higher capacity and less frequent charging. This could mean you save money on replacement batteries in the long run.


Improved Performance: 

A 48v battery will provide better performance than a 36v battery due to its higher voltage. This could mean faster charging times, increased power output, and longer runtime for your inverter.

Enhanced Performance

Consistent Power Output: 

The 12V Lithium Battery 400Ah delivers a more consistent power output throughout its discharge cycle. It maintains a steady voltage, ensuring reliable performance until the battery is depleted.

12V Lithium Battery 400AH - 12V Lithium Battery 400AH Manufacturers

7 years professional 12V Lithium Battery 400Ah 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:

A Battery Management System (BMS) is an essential component of lithium golf cart batteries. It ensures optimal performance, safety, and longevity of the batteries. The BMS monitors various parameters such as voltage, temperature, and state of charge to regulate charging, discharging, and protect against potential hazards.

12V Lithium Battery 400Ah safety precautions

  • Use Compatible Chargers: Ensure that you use a charger specifically designed for lithium batteries and compatible with the voltage and capacity of the 12V Lithium Battery 400Ah. Using an incompatible charger can lead to damage or even hazardous situations.

  • Avoid Overcharging and Over-Discharging: Overcharging or over-discharging the battery can shorten its lifespan and may pose safety risks. Follow the manufacturer's recommendations regarding the maximum and minimum voltage levels for charging and discharging the battery.

  • Protect Against Short Circuits: Take precautions to prevent short circuits when handling or storing the battery. Avoid placing the battery in contact with conductive materials, such as metal objects, that can create a short circuit.

  • Prevent Exposure to Extreme Temperatures: Avoid exposing the battery to extreme temperatures, both high and low. Operating the battery outside its recommended temperature range can impact its performance and may lead to safety issues.

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 400AH 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 400Ah Buying Guide

When it comes to powering various applications, the 12V Lithium Battery 400Ah stands out as a dependable choice. This buying guide aims to provide you with essential information to make an informed purchase decision. Whether you require a battery for recreational vehicles, marine applications, or renewable energy systems, this guide will assist you in selecting the right 12V Lithium Battery 400Ah to meet your specific needs.

Understand Your Power Requirements:

Before purchasing a 12V Lithium Battery 400Ah, evaluate your power requirements. Consider the voltage and capacity needed to run your desired applications. Ensure that the battery's 400Ah capacity aligns with your power demands, keeping in mind any potential future expansions.

Quality and Reliability:

Opting for a high-quality and reliable battery is crucial to avoid unexpected failures. Look for renowned manufacturers with a proven track record in the industry. Check customer reviews and ratings to gauge their reputation for performance, durability, and safety.

Battery Chemistry and Benefits of Lithium Technology:

Lithium batteries have gained popularity due to their numerous advantages. They offer higher energy density, longer lifespan, lightweight design, and enhanced cycle life compared to traditional lead-acid batteries. Choose a 12V Lithium Battery 400Ah with lithium iron phosphate (LiFePO4) chemistry for its exceptional safety, thermal stability, and environmental friendliness.

Safety Features:

Battery safety is paramount, especially when dealing with high-capacity batteries. Look for safety features such as overcharge protection, short-circuit protection, over-discharge protection, and temperature control mechanisms. These features ensure the longevity of the battery and reduce the risk of accidents.

Battery Management System (BMS):

A reliable 12V Lithium Battery 400Ah should have an integrated Battery Management System (BMS). The BMS monitors the battery's state, balances cell voltages, protects against overcharging or over-discharging, and provides important diagnostic information. A robust BMS enhances the overall performance and safety of the battery.

Warranty and Support:

Consider the warranty and after-sales support provided by the manufacturer. A solid warranty demonstrates the manufacturer's confidence in their product. Additionally, prompt customer support and readily available technical assistance can be invaluable if you encounter any issues or have questions regarding the battery.

Price and Value for Money:

While price is a crucial factor, it should not be the sole determining factor. Evaluate the overall value for money by considering the battery's features, performance, reliability, and lifespan. A slightly higher upfront investment for a quality 12V Lithium Battery 400Ah may provide long-term cost savings due to its extended life cycle and reduced maintenance requirements.


Choosing the right 12V Lithium Battery 400Ah requires careful consideration of your power requirements, quality, safety features, battery management system, warranty, and overall value for money. By following this buying guide, you can make an informed decision and invest in a reliable power solution that will meet your needs and provide peace of mind in various applications. Remember, selecting a reputable manufacturer is essential to ensure the performance and longevity of your battery.

Frequently Asked Ruestions

How long does the 12V Lithium Battery 400Ah typically last?

The lifespan of the battery depends on various factors, such as usage patterns, charging practices, and operating conditions. However, with proper care, it can last several years.

Can I use the 12V Lithium Battery 400Ah in extreme temperatures?

While the battery can withstand a wide temperature range, it is recommended to avoid exposing it to extreme temperatures for prolonged periods, as this may affect its performance and lifespan.

Is it possible to connect multiple batteries in parallel for increased capacity?

Yes, it is possible to connect multiple 12V Lithium Battery 400Ah units in parallel to achieve higher capacity and extend the available power for your application.

Can I use the battery while it is charging?

It is generally safe to use the battery while it is charging, but refer to the manufacturer's guidelines to ensure safe operation and optimal charging efficiency.

Are there any specific disposal requirements for this battery?

Lithium batteries should be disposed of in accordance with local regulations. It is advisable to contact local waste management authorities or recycling centers for proper disposal guidelines.

Are there any memory effects associated with the 12V Lithium Battery 400Ah?

No, lithium batteries do not suffer from memory effects, unlike some other battery chemistries. You can charge the battery at any time without needing to fully discharge it first.

Is a higher AH battery better?

Using a battery with a higher Ah will improve the device's running time on a single charge. This feature is important if the power frequently goes out or is out for long periods of time. However, the higher the Ah is on a battery the bigger (physically) it will be.

Can the 12V Lithium Battery 400Ah be connected in series with other batteries?

No, it is generally not recommended to connect lithium batteries in series. Connecting batteries in series requires careful balancing of voltages and should be done under the guidance of a professional to ensure proper functioning and safety.

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