Custom Lithium ion Battery Pack

18500 lithium battery, 18500 lithium battery manufacturers

Nov 23, 2018   Pageview:59

The definition rule of 18500 lithium ion battery is: 18500 battery is cylindrical battery, which diameter is 18mm, length is 50mm. 18500 lithium ion battery parameters: voltage: 3.6V (general purpose battery, use for low-power electrical equipment, maximum 1C discharge. Can change the discharge conditions according to the situation); 3.2V (power battery can be customized according to the condition) Charging parameters: 4.2 V


The minimum cut-off discharge voltage generally is: 2.75V, the maximum cut-off charge voltage: 4.20V; the capacity: 3.6V lithium cobaltate is now 1900AMH; diameter: 18±0.2mm


LARGE lithium ion battery 1400mAh 7.4V  18500 lithium ion battery design:


Battery model: 18500-2S1P/1500mAh/7.4V


Nominal Voltage:7.4V


Nominal capacity: 1500mAh (0.2C discharge to 5.5V)


Delivery Voltage: 7.2V~7.8V


Product size: MAX51×37×20mm


Internal resistance of finished product: ≤250mΩ


Output mode: UL100724# red (P+), UL100724# black (P-)


Executive standard: GB/T18287-2000


Shelf life: 12 months


Working temperature: 0~45°C (charge), -20~60°C (discharge)


Battery charging: Charging limit voltage: 8.4V Charging current: 750mA (standard), 1500mA (maximum)


Battery discharge: discharge cut-off voltage: 5.5V discharge current: 300mA (standard), 1500mA (maximum)


18500 battery charger category:


Standard charging: The battery is first charged to 4.2V with a constant current of 0.5C5A (1.5A). When the charging current is gradually reduced, the current is reduced to 0.01C5A with a constant voltage of 4.2V, and the charging time is about 3 hours. There should be no permanent damage to the rechargeable battery at 0~45°C.


Standard discharge: The fully charged 18500 battery is placed in an ambient temperature of 20 ± 5 ° C for 30 minutes, discharged at a constant current of 0.2 C5A to 6.0 V, and the discharge time is approximately 5 hours. Therefore, it is suitable to choose the 4.2V/1A lithium ion battery charger.


The usage of 18500 battery:


The 18500 battery is widely used in cylindrical lithium ion batteries for electronic cigarettes, toys, security, charging treasures, digital products, and automotive electronics.