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12.8V 300Ah LiFePO4 Battery Bluetooth Delong

The 12.8V 300Ah deep cycle battery offers high energy density, providing more power for your RV, camper, leisure vehicle, marines, and off-grid homes with a lighter weight, enabling long-lasting and efficient operation.

  • Brand: Delong Energy
  • Sample: Available For Test
  • Service: 10 Years Warranty
  • Support: OEM, ODM, OBM, Customized
  • Certificates: CE, UL, MSDS, IEC, UN38.3, ISO, etc.
  • Price: Click The Button Below To Get A Discount Price.


12.8V 300Ah LiFePO4 Battery With Bluetooth

The 12.8V 300Ah lithium battery offered by Delong is a portable power source that is compact and lightweight. It also comes with handles on both sides, making it easy for you to carry it to wherever it’s needed.

12.8V 300Ah LiFePO4 Battery With Handle

12V 300Ah LiFePO4 Battery With Handle

Benefits of 12V Lithium Battery

The core component inside the 12.8V 300Ah lithium battery is the square lithium iron phosphate (LiFePO4) cell. Grade A cells have comprehensively enhanced the functional characteristics of the battery.

For instance, the long cycle life of the 12.8V 300AH lithium battery, which reaches up to 6500 cycles, is due to the high energy density of the lithium iron phosphate. Compared to the 300-500 cycles of lead-acid batteries, the lifespan of lifepo4 batteries extends up to 12 years.

This not only spares you the hassle of frequently replacing and choosing batteries, but also saves you money to a certain extent. Additionally, lithium batteries do not require regular maintenance during use, since unlike lead-acid batteries, they do not need water level monitoring. A maintenance-free battery is more convenient to use.

● Use Grade A Lifepo4 Battery Cells
● Built-in Smart BMS For Safety
● All Guaranteed 10 Years Warranty
● Support Parallel to Expand Capacity
● Rechargeable Battery With Bluetooth / LCD / Self-Heating
● RV / Outdoor Camping Backup Battery
● Alternative Lead Acid / Gel / AGM Batteries
● Light Weight and Easy To Carry
● ABS+PC Shells And IP55 Waterproof

12.8V 300Ah LiFePO4 Battery Advantage

12.8V 300Ah LiFePO4 Battery Advantage

Smart BMS

One of the advantages of LiFePO4 batteries is their chemically stable nature and high safety performance, which means that the batteries are very unlikely to explode. Most importantly, LiFePO4 batteries must be equipped with a Battery Management System (BMS). The BMS acts as the brain of the battery, not only monitoring the battery’s status but also providing safety protection to prevent short-circuiting, overvoltage, overcurrent, and other such scenarios, making them safer to use.

BMS Function

BMS Function

Bluetooth Lifepo4 Battery

12.8V 300Ah LiFePO4 Battery Bluetooth App

12.8V 300Ah LiFePO4 Battery Bluetooth App

3 Charging Methods

12.8V 300Ah LiFePO4 Battery Charging Methods

12.8V 300Ah LiFePO4 Battery Charging Methods

Lifepo4 batteries do not contain heavy metals and are a green energy source. If you are concerned about environmental pollution from lead-acid batteries, you might consider their perfect replacement—lithium batteries. Although slightly more costly than lead-acid batteries, lithium batteries have a longer lifespan and superior performance, making the cost difference minimal on average, and they may even offer a better cost-to-performance ratio.

As mentioned earlier, lithium batteries do not require watering and they do not suffer from liquid leakage. This is advantageous when you receive the battery, as it allows you to install and use any 12V lifepo4 battery in any orientation.

Lead-acid Battery vs lifepo4 Battery

Lead-acid Battery vs lifepo4 Battery

Of course, lifepo4 batteries also have a very low self-discharge rate. Even if you leave them idle for a period of time, the batteries will still retain a certain amount of charge.

Widely Applications

The 12.8V 300Ah lithium battery can serve as a backup power supply for households and can also be used in RVs to power vehicles, lights, refrigerators, air conditioners, and more. Additionally, this 12V lithium battery can be used in golf carts, electric boats, electric tricycles, and other transportation vehicles.

12.8V 300Ah LiFePO4 Battery Application

12.8V 300Ah LiFePO4 Battery Application

Custom Battery Service

In addition to the 12.8V 300Ah lifepo4 battery, we can also customize batteries with other capacities and voltages for you. This is one of our advantage services. As long as you provide the usage scenario for the battery, we can discuss together the actual voltage, current, temperature, and size requirements needed for your device. For example:

12.8v 7ah Lifepo4 Battery

12.8v 20ah Lifepo4 Battery

12.8v 40ah Lifepo4 Battery

12.8v 100ah Lifepo4 Battery

12.8v 200ah Lifepo4 Battery

12.8v 280ah Lifepo4 Battery

About Delong Energy

We are a lithium battery manufacturer located in Shenzhen, China, with our own factory. We offer you the lowest minimum order quantity, competitive prices, and high-quality products. Welcome to discuss your project requirements with us.

Delong Energy Factory

Delong Energy Factory

Technical Data

Model DL-LFP-RP12300
Product Specification 12V 300Ah
Nominal Voltage 12.8V
Nominal Capacity 300Ah
Battery Energy 3840Wh
Cell Type LiFePO4 Battery
Display LCD (Optional)
Terminal M8
Case Material ABS+PC
Waterproof Level IP55
Charge Temperature Range 0~45℃
Discharge Temperature Range -5~55℃
Cycle Life ≥6500 Cycles
Designed Life 12 Years
Colour Black
Assembly Method Built In

PDF Download

12V 300Ah Lifepo4 Battery PDF Download


1. Is Delong Energy a lithium battery factory?
Delong Energy is a battery factory with 11 years of experience, which integrates research, development, production, and sales.

2. How about the quality of lithium battery products from Delong Energy?
Delong Energy has a strong R&D team and a set of international certifications, including MSDS, UN38.3, FCC, IEC62133, CE, UL, KC, BIS, CB, ROHS, and ISO9001:2015 certified.

3. Can you do An OEM/ODM project?
We have engineers who can help you design and R&D any related products.

4. Can you customize the battery pack for more function?
Yes, we have a professional engineering team to provide an excellent solution for you.

5. Do you have MOQ?
No limited.

6. Can I have samples to test? And what is the lead time for a sample order?
Yes, we can supply samples. The lead time for samples is 3-5 days. The buyer pays for the sample cost and shipping cost.

7. What is your term of payment?
We adopt T/T, Paypal, Alibaba payment way, Credit Card, Visa, Echecking, Master Card, Trade Assurance, etc.

8. Do you provide after-sales service?
Yes, the battery warranty is 10 years. If there are any quality problems on our side in this period, we can send a new one as a replacement.


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