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What is the resting voltage of LiFePO4? Why LiFePO4 Batteries Are a Smart Choice

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The resting voltage of a LiFePO4 battery, or Lithium Iron Phosphate battery, typically stays between 3.2 volts and 3.3 volts per cell. This voltage remains constant when the battery is idle, indicating its level of charge. The resting voltage of LiFePO4 (Lithium Iron Phosphate) battery depends on its state of charge (SOC). Here is a general guide for the resting voltage of LiFePO4 battery at different SOC levels:

  • 100% charged: 3.45-3.50V per cell or 13.8-14.0V for a 12V battery
  • 75% charged: 3.35-3.40V per cell or 13.4-13.6V for a 12V battery
  • 50% charged: 3.25-3.30V per cell or 13.0-13.2V for a 12V battery
  • 25% charged: 3.10-3.20V per cell or 12.4-12.8V for a 12V battery
  • 0% charged: 2.50-2.70V per cell or 10.0-10.8V for a 12V battery


It’s important to note that the exact resting voltage range can vary based on the specific LiFePO4 battery chemistry, manufacturer, and other factors. It’s always best to consult the manufacturer’s specifications for accurate information.

Why LiFePO4 Batteries Are a Smart Choice for Your Energy Storage Needs

When it comes to storing energy, LiFePO4 batteries are a great choice for several reasons. They can store a lot of energy in a small space, last a long time without losing performance, and are safer to use. Plus, they’re ideal for electric vehicles, solar power systems, and home energy storage. LiFePO4 batteries offer high performance and reliability for various applications.

One of the most important features of LiFePO4 batteries is their high energy density, which means they can store a large amount of energy in a relatively small space. This makes them an ideal choice for use in a range of applications, including electric vehicles, solar power systems, and home energy storage systems.

Another advantage of LiFePO4 batteries is their long cycle life. Compared to other types of lithium-ion batteries, LiFePO4 batteries have a significantly longer lifespan, which means they can last for many years of use. This is because they are less susceptible to the degradation that can occur over time due to repeated charging and discharging.

In addition to their high energy density and long cycle life, LiFePO4 batteries are also known for their safety and stability. Unlike some other types of lithium-ion batteries, LiFePO4 batteries are less prone to overheating or catching fire. This makes them a safer option for use in a range of applications, including those where safety is a top concern.

LifePO4 discharge curve
Lead Acid Discharge curve

Redway Power – Custom LiFePO4 battery manufacturer

At Redway Power, we offer a range of LiFePO4 batteries that are designed to meet the needs of our customers. Whether you need a small battery for a portable device, or a large battery for a solar power system, we have the expertise and products to meet your needs.

In summary, LiFePO4 batteries offer a number of advantages over other types of lithium-ion batteries, including high energy density, long cycle life, and safety. If you are in need of an energy storage solution, we encourage you to consider LiFePO4 batteries from Redway Power. With our expertise and high-quality products, we are confident that we can meet your needs and exceed your expectations.

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