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LiFePO4 battery

Battery Battery
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About ANENJI LiFePO4 battery

ANENJI's LiFePO4 battery management system (BMS) utilizes only the highest quality components and is specifically manufactured for our LiFePO4 cells to boost performance and maximize lifespan. Our cells undergo a strict and selective quality control process, ensuring that only the best Grade-A cells make it into the final battery. Any cell that reaches the final stage of production confidently receives an official rating of up to 6000 cycles. Unlike competitors who source boards and parts from various unreliable suppliers, ANENJI ensures superior reliability and efficiency by maintaining rigorous quality control standards. Trust ANENJI for advanced, dependable energy solutions designed to enhance your battery's performance and longevity.

What is a solar lithium iron phosphate (LiFePO4) battery in a solar system?

A solar lithium iron phosphate battery, commonly known as a LiFePO4 battery, is a type of energy storage device specifically designed for solar power systems. Its main function is to store the electricity generated by solar panels, allowing it to be used during the night or in cloudy weather, thereby enabling energy self-sufficiency.

What are the advantages of solar lithium iron phosphate batteries?

  • LiFePO4 batteries have very high safety due to their excellent thermal and chemical stability, making them less prone to combustion or explosion.
  • LiFePO4 batteries typically have a cycle life of over 6,000 cycles, significantly longer than traditional lead-acid batteries, making them ideal for solar systems that require frequent charging and discharging.
  • These batteries do not contain harmful metals like lead and cadmium, making them an environmentally friendly and green energy storage option.
  • The charge and discharge efficiency is over 90%, minimising energy loss and making solar power generation more efficient.
  • Lithium batteries have about 50% more energy storage capacity compared to lead-acid batteries.

What are the application scenarios of solar batteries?

1. During power outages, they can act as your backup energy source, providing your energy reserve.

2. Public power grids are ageing, expensive, and vulnerable to extreme weather, but home batteries can provide you with reliable solar support, avoiding potential energy cost increases or price spikes.

3. Lithium iron phosphate batteries are the ultimate clean energy source, non-toxic and pollution-free. Using these harmless batteries allows you to enjoy reliable power while protecting the environment.
  • 4. Grid-connected and off-grid solar battery systems:

    4.1 A grid-connected solar system is linked to the public power grid, allowing excess energy to be fed into the grid, enabling two-way energy flow. In grid-connected systems, solar batteries are primarily used for energy generation rather than storage.

    4.2 An off-grid solar system operates entirely independently of the power grid, typically used in remote areas or locations without grid access. These systems must be equipped with energy storage devices to ensure continuous power supply.

ANENJI LiFePO4 Battery Warranty

ANENJI is committed to providing high-quality battery products and offers a 5 to 10-year warranty for all batteries, depending on the product model and usage conditions.

Warranty Period:

  • 5kWh/10kWh LiFePO4 wall-mounted batteries come with a 10-year warranty.
  • 12V/24V 100Ah LiFePO4 portable batteries come with a 5-year warranty.
  • 5kWh rack batteries and 10kWh stackable batteries come with a 7-year warranty.
Warranty Coverage:
  • The warranty covers defects in materials or manufacturing that occur under normal use.
  • Free repair or replacement of defective parts to ensure proper battery operation.

Exclusions:

  • Any failure caused by misuse, accidental damage, unauthorized modifications, or improper installation.
  • Damage resulting from failure to follow the maintenance requirements outlined in the product manual.

Warranty Service Application:


To request warranty service, please contact support@anenji.com and provide proof of purchase, serial number, and a description of the issue.


ANENJI is dedicated to providing stable and reliable energy solutions. If you have any questions or need warranty service, please feel free to contact us.

Frequently asked questions about solar batteries

Why is LiFePO4 battery the best for solar?

LiFePO4 batteries are considered the best choice for solar power systems because lithium iron phosphate batteries have excellent thermal and chemical stability, making them safer than other lithium-ion batteries. They have a longer lifespan compared to traditional lead-acid batteries and most other lithium-ion batteries. LiFePO4 batteries also offer high charge and discharge efficiency. Unlike lead-acid batteries, LiFePO4 batteries require almost no maintenance, do not need regular water refilling, and have no risk of acid leakage. They do not contain toxic metals such as lead or cadmium, making them a greener and more environmentally friendly option.

How long will a solar battery last?

The lifespan of a solar battery depends on the type of battery, usage environment, maintenance, and frequency of charge and discharge cycles. Typically, lithium iron phosphate (LiFePO4) batteries can last 10 to 15 years or over 6,000 charge and discharge cycles. In contrast, traditional lead-acid batteries have a shorter lifespan, usually lasting 3 to 5 years or 500 to 1,000 cycles.

To extend the actual lifespan of a solar battery, it is important to ensure proper installation, adequate maintenance, and avoid deep discharges.

What to consider when buying a solar battery?

Battery Type: LiFePO4 batteries have a long lifespan, high safety, and low maintenance requirements, making them a better choice.

Capacity and Voltage: Choose a battery capacity (measured in kilowatt-hours, kWh) and voltage that suits your electricity needs.

Cycle Life: The cycle life of a battery determines its service life. LiFePO4 batteries generally have a high cycle life, reaching over 6,000 cycles, while lead-acid batteries have fewer cycles.

Charge and Discharge Efficiency: Batteries with an efficiency of over 90% are ideal.

Safety: To avoid the risk of burning or explosion under high temperatures or extreme conditions, LiFePO4 batteries are widely recommended for their safety features.

Brand and Warranty: A longer warranty period usually indicates higher product quality and better usage assurance.

How much does it cost to add a battery to an existing solar system?

Battery Type: Lithium iron phosphate (LiFePO4) batteries are more expensive than traditional lead-acid batteries but have a longer lifespan and lower maintenance requirements. The cost of LiFePO4 batteries typically ranges from $200 to $400 per kilowatt-hour, while lead-acid batteries are less expensive.

Battery Capacity: The larger the battery capacity, the higher the cost. Generally, home energy storage batteries have a capacity between 5 to 15 kilowatt-hours, depending on specific electricity needs.

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