What are the types of 402030 polymer battery for new energy vehicles?

　　There are 5 types of 402030 polymer battery used in new energy vehicles.

　　1. Nickel-cadmium battery - the voltage is 1.2V and has strong resistance to overcharge.

　　2. Nickel metal hydride - the voltage is 1.2V, which is the longest life among current car batteries, but the voltage is still low.

　　3. Lithium-ion battery - voltage 3.6V, 40% lighter than nickel-metal hydride battery, but more than 60% capacity than nickel-metal hydride battery, lifespan is the same as nickel-cadmium battery. It cannot resist overcharging, cannot withstand overcharging, and is prone to temperature conditions that are too high, thereby damaging the structure and spontaneously igniting or exploding. It is also the most widely used battery in new energy vehicles.

　　4. Lithium polymer battery - voltage 3.7V, improved lithium-ion battery, more stable lithium battery than electronic products, and also the top technology of lithium battery currently used in new energy vehicles.

　　5. Lead-acid battery - 2.0V voltage, usually used in car batteries, has the characteristics of long life, large size and light weight.

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