Entries by Nuranu

What is the Maximum Capacity of an 18650 Lithium Battery

Due to the fixed size of the 18650 battery, its maximum capacity has always attracted the attention of many practitioners. In recent years, the technology of various manufacturers has improved, and the capacity has also increased accordingly. Samsung, Panasonic, LG, Sony, and Toshiba can achieve more than 3600mAh. However, the best stability and consistency is […]

How to Activate the 18650 Lithium Battery Sleep Mode

An 18650 lithium battery is a small cylindrical battery that measures about 18mm in diameter and 65mm in length. Some models have one cell while others may have two or more cells, connected in series or parallel. This design allows for greater capacity and higher voltage than a single cell, which is perfect for most […]

Why 18650 Lithium Batteries Are Burning Or Exploding

1. Internal short circuit: Structural or process defects lead to the insertion of the tabs, too little excess diaphragm wrapping, burrs, and diaphragm discounts, etc. The insertion of the tabs often occurs in the structure of thick batteries and internal parallel connection, and the insulation of the tabs is not in place. Adding a protective […]

18650 Lithium Ion Battery Vs Lithium Polymer Battery

Among the most significant differences between an 18650 lithium ion battery and a lithium polymer one is the amount of energy they can store. The former has a lower self-discharge rate than a polymer battery, which means it won’t go flat when you are not using it. However, the disadvantage of this battery type is […]

The Relationship Between Lithium Battery Voltage and Power Capacity

The relationship between voltage and power capacity of lithium batteries is a complicated one. The answer depends on the material used to make the battery. The electrodes have varying thickness, which affects their discharge rates. Smaller particles of active materials are used to improve rate performance. Higher concentration of lithium salt in the electrolyte can […]

The Right Charging Method For 18650 Lithium Batteries

The proper charging method for your 18650 lithium battery depends on the capacity of the cell. The datasheet for this cell recommends that you use a constant current charge of 1250 mA at 4.2 V. When the current drops below 50 mA, you should cut off the charge. A fast charge uses a constant voltage […]