What Are SOC and SOH in Energy Storage Batteries?
SOC is often described as a battery’s real-time state of charge, while SOH represents its long-term health condition. These two concepts are easy to understand, but they are much more…
ACIR vs. DCIR: Why Do Battery Resistance Measurements Differ by Several Milliohms?
When testing lithium battery cells, you may find that the same cell shows different internal resistance values depending on the test method. For example, an ACIR measurement may show 18…
SOC, SOH, DOD, and EOL in Energy Storage Batteries: Key Parameters Explained
In energy storage system operation, BMS strategy development, battery life assessment, asset management, and revenue analysis, SOC, SOH, DOD, and EOL are among the most important battery parameters. Other key…
How to Calculate Lithium Battery Capacity: Ah vs. Wh Explained
Many people new to lithium batteries have the same questions: If a battery is rated 72V 60Ah, how much energy does it actually store? What is the difference between Ah…
Lithium Battery BMS Lockout: Causes and How to Restore It
Many lithium battery users have experienced this: the battery suddenly stops outputting after being fully charged, or it cannot be used after sitting unused for a period of time. In…
What certifications and documents are required for lithium batteries exported to the European market?
When exporting lithium batteries to the European market, suppliers need to meet applicable safety, environmental, and regulatory requirements. The required compliance documents and certifications depend on: Common requirements for lithium…
Lithium Battery Certification Guide: UN38.3, IEC, UL and Global Market Requirements
Lithium batteries are widely used in consumer electronics, industrial equipment, energy storage systems, electric vehicles, and IoT devices. To enter global markets, lithium battery products must meet different safety and…
Lithium Battery Storage Life: How Storage Conditions Affect Battery Aging
The storage condition of a lithium battery has a significant impact on its long-term performance and service life. Even when a battery is not being used, internal chemical reactions continue…
What Is Battery EMC?
Electromagnetic Compatibility (EMC) is an important requirement for modern battery systems, especially lithium battery packs, LiFePO4 batteries, energy storage batteries, and custom battery solutions. A battery system with good EMC…
Why Does a Lithium Battery Pack Need Fish Paper? How Does It Provide Electrical Insulation?
Introduction Open almost any lithium battery pack — including EV batteries, energy storage systems, and 18650 battery packs — and you will often find a thin brown insulating sheet around…
