Comprehensive Introduction to 12V Sheet Metal Cased Lithium Batteries

12V sheet metal cased lithium batteries are a common and widely used type of battery, playing a crucial role in numerous fields.

Structure and Principle

Composition Structure: Usually, it is composed of 3 or 4 lithium batteries with a voltage of 3.7V connected in series to reach the rated voltage of 12V. In addition, it also includes components such as a protection board and a sheet metal casing. The protection board can automatically cut off the power supply when the battery encounters situations such as overload, overcurrent, overcharging, and overheating, playing a role in protecting the battery. The sheet metal casing provides mechanical protection for the battery, preventing the internal battery cells from being damaged by collisions, extrusions, etc. The specific parameters of a 12V 200Ah lithium iron phosphate energy storage power battery are as follows in the table:

|Nominal Voltage|12.8V|

|Nominal Capacity|200Ah|

|External Dimensions|522240220mm|

|Charging Temperature|0℃～45℃|

|Discharging Temperature|-20℃～60℃|

|Charging Cut-off Voltage|14.6V|

|Discharging Cut-off Voltage|10V|

|Continuous Charging Current|100A|

|Continuous Discharging Current|200A|

|Cycle Performance|≥3000 cycles|

|Casing Material|Customizable (Sheet Metal or ABS Plastic)|

|Custom Functions|Supports Bluetooth, Mobile APP, RS-485 Communication|

Performance Characteristics

High Energy Density: Compared with traditional lead-acid batteries, 12V sheet metal cased lithium batteries can store more electrical energy in the same volume and weight, providing more lasting power support for devices. For example, the energy density of a certain 12V lithium battery can reach over 150Wh/kg, while the energy density of common lead-acid batteries is only 30 - 50Wh/kg.

Long Life: The cycle life of lithium batteries is usually much longer than that of lead-acid batteries. Under normal working conditions, the charge/discharge cycle times are far more than 500 times, and the service life can reach about 5 years or even longer, reducing the frequency and cost of battery replacement.

Application Scenarios

Outdoor Camping: It can provide stable power for lighting equipment such as camping lights and flashlights, and also supply power for small electrical appliances such as portable fans, car refrigerators, and outdoor speakers. It can also charge electronic devices such as mobile phones, tablets, and cameras through an inverter, meeting outdoor entertainment and living needs.

Automotive Field: It can be used as the auxiliary power supply for hybrid and pure electric vehicles, powering the vehicle's electronic devices such as the audio system and in - vehicle computer. It can also be used as a starting battery. Compared with traditional lead - acid starting batteries, it has the advantages of light weight and long life.

12V sheet metal cased lithium batteries, with their outstanding performance and wide applicability, exhibit unique advantages in numerous fields. However, during use, it is essential to follow the correct methods to ensure their performance and safety.

Overall, 12V sheet metal cased lithium batteries represent a significant advancement in modern battery technology. With continuous technological innovation, they are expected to play a crucial role in more fields in the future, continuously providing efficient and reliable power solutions for various devices.