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Lithium Battery Internal Resistance and Its Impact
In evaluating battery performance, internal resistance (IR) is a critical factor, especially in lithium-ion batteries. It directly affects the battery’s efficiency, power output, and lifespan. Internal resistance refers to the resistance within the battery that impedes current flow. As batt...Read more -
21700 Battery vs 18650 Battery
As battery technology continues to advance, both 21700 and 18650 batteries have become widely used in various fields. Whether it’s flashlights, power tools, electric vehicles, or remote-controlled toys, these batteries provide convenience and high performance. This article compares the two ...Read more -
12V Batteries: A Comprehensive Overview
12V batteries play a crucial role in vehicle starting, emergency power sources, and daily electronics. However, there are many types of 12V batteries available on the market, each with different chemical compositions, performance characteristics, and application advantages. Understanding these di...Read more -
Nickel-Metal Hydride (NiMH) Battery vs. Lithium-Ion (Li-ion) Battery: Which Is Better?
When choosing a rechargeable battery, NiMH (Nickel-Metal Hydride) and Li-ion (Lithium-Ion) are two popular options. Each type has its unique strengths and applications. Understanding their history, working principles, advantages, and limitations can help you decide which battery is better suited ...Read more -
What Does “Group” Mean in Batteries?
{ display: none; }When selecting a battery, you may come across the term “Group,” such as “Group 27″ or “Group 31.” But what does “Group” mean in batteries? How does it benefit users, and what role does it play in different applications? This artic...Read more -
Why Are Lithium Battery Casings Made of Aluminum?
Lithium batteries are one of the most commonly used battery types in daily life. Whether it’s cylindrical IMR 18650 batteries or prismatic lithium iron phosphate batteries, aluminum casings are used to encase the internal chemical components. But why aluminum and not other metals like iron? Here’...Read more -
What is 11.1V Lithium Polymer Battery？
Lithium Polymer batteries are widely used across various devices due to their high energy density, lightweight, and flexibility. Among them, the 11.1V LiPo battery is a common option. This article introduces what an 11.1V LiPo battery is, its applications, charging methods, and notable manufactur...Read more -
14500 Battery vs. 18650 Battery
Both 14500 and 18650 batteries are widely used cylindrical lithium-ion batteries, commonly found in devices such as flashlights, remote controls, and portable electronics. Although they may appear similar, they differ significantly in size, capacity, and application, which determine their advanta...Read more -
Recommended Lithium-Ion Batteries for Cold Weather
Lithium-ion batteries perform differently in cold environments. Understanding how to select and maintain them for optimal performance is crucial, especially in freezing temperatures. This guide will help you choose the right battery for your needs. How Does Cold Weather Affect Lithium-Ion ...Read more -
Understanding C-Rate in Lithium Batteries
The numbers found on lithium batteries often have specific meanings, and in previous blogs, we’ve explored the codes on batteries. However, when choosing a battery, you may encounter another important parameter: “C”. It is a key factor in determining the maximum discharge rate a...Read more -
Comprehensive Comparison of 14500 Li-ion Battery and AA Battery
14500 and AA batteries are common cylindrical batteries with the same dimensions. Although they look similar, are they truly interchangeable? In fact, these two types of batteries are entirely different. Understanding the differences can help you decide if they can be used interchangeably. This a...Read more -
What Tests are Necessary for Newly Manufactured Lithium-ion Batteries?
Lithium-ion batteries bring convenience to our lives, but we also worry about the potential hazards from their powerful energy. At PKNERGY, every newly manufactured lithium-ion battery undergoes a series of rigorous tests to ensure its performance, safety, and reliability. Each step is crucial, a...Read more