News
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21700 Lithium Battery: A Comprehensive Guide
Key Highlights The 21700 lithium battery is a rechargeable battery. It is 21mm wide and 70mm long. These batteries last longer, have better runtime and capacity, and are more effective than the older 18650 model. You can use these batteries in advanced devices. People put them in power tools, e...Read more -
Why Choose a 16340 Lithium Ion Battery for Your Devices?
Key Highlights The 16340 lithium-ion battery offers you high energy density even though it is small. With a voltage of 3.7V, this lithium battery can work well in many devices that use a lot of power. It has built-in safety features, like protection circuits, so it does not get too hot or have s...Read more -
10440 Battery: The Ultimate Guide for Your Devices
Key Highlights The 10440 battery is small, but it has a lot of power. It is a lithium-ion battery that you can recharge, and people use it in many types of electronics. It has a normal voltage of 3.6V, and the voltage can go up to 4.2V at the top. This battery can give some of the best energy d...Read more -
Ultimate Guide to ICR 18500 Batteries
Key Highlights 18500 batteries give you a strong energy source. They have a high voltage of 3.7V and good energy density, which is why they work so well. They have a 1400mAh capacity. These are good for when you need a battery that lasts, as in medical devices or flashlights. These batteries ar...Read more -
Benefits of Using a 7.4 V Battery Pack for Electronics
Key Highlights Understand how 7.4V Li-ion lithium batteries and LiPo batteries are not the same. They have different designs, power source, and ways you use them. figure out 7.4V Li-ion battery pack—especially those built with 18650 cells—is the best overall performer due to its balance of energ...Read more -
PKcell Powers Security Innovations at ISC West 2025
Pkcell, a leading battery manufacturer since 1998, is pleased to report a highly successful participation at ISC West 2025, the largest converged security industry trade show in the U.S. The event was held from April 2nd to 4th at the Venetian Expo in Las Vegas. Our team was excited to connect wi...Read more -
NiMH vs LiPo: Key Differences You Should Know
Key Highlights NiMH batteries are cheap and last a long time. They are good for beginners, but they don’t hold as much energy as LiPo batteries. Lithium Polymer (LiPo) batteries can store more energy. They are lighter and provide better power output. However, they need careful handling and stor...Read more -
Mastering 18650 Battery Packs: A Comprehensive Overview
Key Highlights The 18650 battery pack is a rechargeable lithium-ion battery. It is known for its reliable performance in many different areas. This battery has a high energy density and good mah ratings. This allows it to provide long-lasting power while being smaller in size. Safety is key, so...Read more -
Understanding the LiCoO2 Battery: Features and Uses
Key Highlights The LiCoO2 battery employs lithium cobalt oxide as the cathode material, offering high energy density and efficiency. Reliable performance with stable voltage output makes it suitable for sensitive electronics. Lithium ions move between the electrodes through the electrolyte duri...Read more -
CR123A vs 18650: Which Battery Fits Your Needs Best?
Key Highlights CR123A and 18650 batteries have different uses and fit specific devices. Knowing their features helps you use them well. CR123A batteries are small, single-use lithium batteries. They are good for using flashlights now and then. 18650 batteries can be recharged and hold more ener...Read more -
Global Sourcing Fair Vietnam
Last month, from April 24th to 26th, 2025, the Pkcell team was thrilled to participate in the Global Sourcing Fair Vietnam, held at the Saigon Exhibition & Convention Center (SECC) in Ho Chi Minh City. At our booth, B187, we had the invaluable opportunity to connect with global buyers, manufa...Read more -
How to Choose Between 21700 vs 18650 Battery Cells
Key Highlights 21700 and 18650 batteries are types of lithium-ion batteries. They are commonly used in power tools, electric vehicles, and other devices. 21700 batteries store more energy. They also have a higher energy density than 18650 batteries. You can find 18650 batteries more easil...Read more
