902030 battery.Main advantages of lithium batteries

　　1. The energy is relatively high. It has a high storage energy density, currently reaching 460-600Wh/kg, which is about 6-7 times that of lead-acid batteries;

　　2. Long service life, with a service life of over 6 years. The battery with lithium ferrous phosphate as the positive electrode is charged and discharged at 1C (100% DOD), with a record of being able to be used 10000 times;

　　3. The rated voltage is high (with a single working voltage of 3.7V or 3.2V), which is approximately equal to the series voltage of three nickel cadmium or nickel hydrogen rechargeable batteries, making it easy to form a battery power pack;

　　4. It has high power endurance, among which the lithium iron phosphate lithium-ion battery used in electric vehicles can reach a charging and discharging capacity of 15-30C, facilitating high-intensity starting acceleration;

　　5. The self discharge rate is very low, which is one of the most prominent advantages of this battery. Currently, it can generally achieve less than 1% per month, less than 1/20 of nickel hydrogen batteries;

　　6. Lightweight, with a weight of approximately 1/6-1/5 that of lead-acid products in the same volume;

　　7. It has strong adaptability to high and low temperatures and can be used in environments ranging from -20 ℃ to 60 ℃. After processing, it can be used in environments ranging from -45 ℃;

　　8. Green and environmentally friendly, regardless of production, use, or scrapping, it does not contain or produce any toxic and harmful heavy metal elements and substances such as lead, mercury, cadmium, etc.

　　9. Production basically does not consume water, which is very beneficial for China, which is short of water.

　　Specific energy refers to the energy per unit weight or volume. Specific energy is expressed in Wh/kg or Wh/L. Wh is the unit of energy, W is the watt, and h is the hour; Kg is the kilogram (unit of weight), and L is the liter (unit of volume).

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