Lithium batteries are a type of battery that uses lithium metal or lithium alloy as the positive/negative electrode material and a non-aqueous electrolyte solution. In 1912, Gilbert N. Lewis first proposed and studied lithium metal batteries. In the 1970s, M.S. Whittingham proposed and began to study lithium-ion batteries. Due to the extremely active chemical properties of lithium metal, the processing, storage, and use of lithium metal require high environmental standards. With the development of science and technology, lithium batteries have become mainstream. The following describes the differences between power batteries and ordinary batteries.
In the case of both being new batteries, when the dividing cabinet is used to divide the capacity of the battery cell, the capacity of a general power battery is around 1500mAh, while the capacity of an ordinary battery is above 2000mAh, and some can reach 3500mAh, such as the Samsung 35E with a capacity of 18650, which can reach 3500mAh.
1C means that the battery can be fully charged or discharged in one hour, and 2C means that it will take 0.5 hours. Generally, lithium batteries can be divided into three gears according to their discharge rates. Those below 3C are basically capacity models, which do not support quick charging and discharging. Those between 3-8C are power-type battery cells, mainly used in electric vehicles and industrial equipment. These can basically meet the requirements of rapid charging and discharging, but compared with lithium batteries with discharge rate functions, they fall short. However, power-type lithium batteries are currently the mainstream. Lastly, there are discharge rate-function battery cells, which are basically above 10C. That is, the discharge current can instantly reach ten times the capacity. For example, a 2000mAh 10C discharge rate-function battery cell can discharge at a current of 20A. Imagine how easy it is when multiple battery cells with a capacity of over a thousand amperes are put in parallel.
Capacity-type battery cells are generally used in devices with small currents or under conditions where the working conditions are not that strict. The most common scenarios include solar street lights, energy storage, and toy vehicles that do not require specific current requirements.
Power-type lithium battery cells are mainly used in devices that require high currents and work environment conditions, such as AGV handling vehicles, industrial equipment, and batteries for tourist sightseeing vehicles. These devices require large current support for their operation, but the current will not reach excessively high levels. The most common scenario is the ordinary electric vehicle's lithium battery. They can be used in various scenarios.
Discharge rate-function battery cells are generally used in devices that require an instant large current, such as model aircraft, unmanned ships, unmanned aerial vehicles, and truck starting currents. These devices can easily reach currents of one or two thousand amperes, so discharge rate-function battery cells are the preferred choice.
When encountering dishonest merchants, they may use capacity-type battery cells in devices that require power-type battery cells, such as electric vehicles, to lower the cost by 40%. When a battery cell does not support large current discharge, forcing it to do so can easily cause overheating, which is one of the reasons why lithium batteries are dangerous for those who do not understand them. Lithium batteries are all you pay for, and the quality is directly proportional to the price.