First, let's take a look at the approximate differences between lithium battery monomers, lithium battery modules, and lithium battery components. Battery monomer: The most basic unit of the battery pack and the battery pack can usually provide 3 volts to 4 volts; battery packs: multiple battery cells are combined together to form a single physical component that can generate high voltage and capacity Items

　　Battery pack (PACK): Usually multiple battery packs are combined together, and the battery management system (BMS) is added. It is a product provided by consumers finally provided by consumers.

　　The core component of the PACK is the battery cell, which is divided according to the shape. There are three main types: square, cylindrical and soft bags (polymer batteries). The positive and negative plates are sealed in various methods in their own shells.

　　Use a single battery to assemble it, and then use the homeline to form a different string to connect the battery. You can use screws to lock, resistance welding, ultrasonic welding, ultrasonic aluminum wire welding and laser welding.

　　From the perspective of production yields, efficiency, and internal resistance at nodes, many battery manufacturers have chosen laser welding.

　　If PACK is a person, its "heart" is used to store and release electrical energy to drive the vehicle. Its main body includes PACK's upper lid, tray, various metal brackets, end plates, bolts, etc., which has functions such as support, mechanical impact, vibration resistance, environmental protection and other functions.

　　Its main body includes PACK's upper lid, tray, various metal brackets, end plates, bolts, etc., which has functions such as support, mechanical impact, vibration resistance, environmental protection and other functions. It is a protective device centered on high voltage, low voltage as the core, high voltage as the core, and low voltage as the core. As a "aorta" in PACK, high -voltage wires continue to provide electrical energy for each part of the power battery, and low -voltage wires are used as "neural networks" in PACK to achieve detection and control in PACK.

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