NCM18650 1500mAh Li-Ion cell

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NCM18650 1500mAh 18650 Batteries

NO. 序号	Item 项目	Specifications 规格要求
4.1	Typical Capacity 典型容量	1500mAh ＠0.2C Discharge （0.2C放电）
4.1	Minimum capacity 最小容量	1500mAh ＠0.2C Discharge （0.2C放电）
4.2	Nominal voltage 标称电压	3.7V
4.3	Standard Charge 标准充电	CC/CV,0.2C5A,4.20V
4.4	Standard Discharge 标准放电	CC,0.2C5A,3.00V
4.5	End-of-charge Voltage 充电截止电压	4.20V±0.05V
4.6	End-of-charge Current 充电截止电流	0.01C5A (At CV mode)
4.7	End-of-discharge Voltage 放电截止电压	3.00V
4.8	Charging Time 充电时间	6.0hours（standard charge） 6小时
4.9	Quick Charge Current 快速充电电流	750 mA （0.5C5rate）0.5C充电
4.10	Quick Discharge Current 快速放电电流	1500mA
4.11	Max Discharge Current 最大放电电流	1500mA
4.12	Initial Impedance 初始内阻	Max:50mΩ
4.13	Weight 重量	Approx（约）：38±1g
4.14	Operating temperature 工作温度	Charging（充电）： 0℃~45℃ Discharging（放电）：-20℃～60℃
4.15	Storage temperature 储存温度	-5℃~35℃
4.16	Storage Humidity 储存湿度	≤75%RH
4.17	Appearance 外观	Without scratch,distortion,contamination and leakage （无划痕、变形、污迹、电解液泄露）
4.18	Standard environmental condition 标准环境	Temperature（温度） : 23±5℃ Humidity（湿度） :45-75%RH Atmospheric Pressure（大气压） : 86-106 KPA

What is an 18650 battery?

The emergence of lithium batteries has deepened people's understanding of electricity, and the 18650 lithium battery is one of the oldest and still-existing lithium batteries. Its presence can be seen in many fields because of its significant advantages and relatively good safety compared to other batteries, making it widely used.

4.2V is the maximum charging voltage for the battery, and it is generally considered fully charged when the unloaded voltage of the lithium battery is charged to 4.2V. During the charging process, the voltage of the battery gradually increases from 3.7V to 4.2V. Lithium batteries should not be charged above 4.2V unloaded voltage, otherwise, it will damage the battery. This is the special characteristic of lithium batteries. Generally speaking, the 18650 lithium battery has the following advantages:

Wide range of applications: electronic devices such as laptops, walkie-talkies, portable DVDs, instruments, audio equipment, model planes, toys, cameras, digital cameras, etc.

Series connection: Can be connected in series or parallel to form an 18650 lithium battery pack.

No memory effect: Convenient to use, there is no need to discharge the remaining power before charging.

High voltage: The voltage of the 18650 lithium battery is generally 3.6V, 3.8V, and 4.2V, which is much higher than the 1.2V voltage of nickel-cadmium and nickel-hydrogen batteries.

Long service life: The service life of the 18650 lithium battery is long, and the cycle life can reach more than 500 times under normal use, which is more than twice that of ordinary batteries.

Large capacity: The capacity of the 18650 lithium battery is generally between 1200mAh and 3600mAh.

The application of lithium secondary batteries in the energy battery industry benefits from its superior performance. With the continuous development of lithium secondary battery technology, it has been widely used in our daily lives, and rechargeable batteries are increasingly favored by consumers. Paying attention to the energy battery industry, fully understanding the battery, and making it "useful for me" can bring benefits. Currently, the 18650 lithium battery has a certain application in the following fields:

Energy storage: mainly used in base station power supplies, clean energy storage, grid power storage, home light storage systems, etc.

Power: mainly refers to electric transportation, electric bicycles, new energy vehicles, etc.

Digital: mobile phones, tablets, laptops, electric toys, MP3/MP4, headphones, power banks, model planes, mobile power supplies, etc.

After 18 years of development, the EASTAR 18650 battery manufacturing process is very mature. In addition to greatly improving its performance, its safety is also very good. In order to avoid the sealed metal shell from exploding, current EASTAR 18650 batteries are equipped with a safety valve on the top, which is the standard configuration of each 18650 battery and the most important explosion-proof barrier. When the internal pressure of the battery is too high, the top safety valve will open to exhaust and relieve pressure, avoiding explosions.

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