What is the difference between lithium ion battery and nickel metal hydride battery?

　　 (1) the dynamic aspects of the past nickel metal hydride rechargeable battery in the process of using the voltage will be falling, and 5, rechargeable lithium ion batteries have the unity of the three core intelligent control chip system, constant pressure, so as to achieve the 1.5 V power strong, especially suitable for all kinds of large current, high voltage requirements used electrical appliances, such as game controllers, pumps, etc.

　　(2) Speed: It takes more than 10 hours for the traditional nickel metal hydride rechargeable battery to be fully charged, while the No. 5 rechargeable lithium-ion battery can be fully charged in only 1.8 hours, which is nearly 10 times faster.

　　(3) Energy: No. 5 rechargeable lithium-ion battery has a powerful energy of 2775mWh, which is also more than ordinary nickel metal hydride rechargeable battery.

　　(4) Volume: No. 5 rechargeable lithium ion battery is widely used in many new mobile devices because it has the advantages of small size (relative), light weight, low self-discharge rate and no memory effect compared with ordinary nickel-cadmium/nickel-metal hydride battery. The batteries of mobile devices such as mobile phones, laptops and PDAs have been gradually replaced by lithium-ion batteries. Nickel-metal HYDRIDE battery memory effect is not very obvious, one point, to urgent use, do not have to light after charging, usually use is the best is to light after sufficient.

　　(5) Power: the specific energy of No. 5 rechargeable lithium-ion battery is large and the battery is small; The voltage of a single lithium-ion battery is three times that of a NIMH battery; No memory effect. It can be used as needed. But also can not be used to charge, so the number of charging and discharging is too much, it will affect the life of the battery. Lithium-ion batteries should not be stored for a long time, and will permanently lose part of their capacity. It is best to store it in the freezer of the refrigerator after charging 40% of the battery. Compared with the traditional nickel metal hydride rechargeable lithium-ion battery, the No.5 rechargeable lithium-ion battery has three advantages, one of which is to maintain a constant voltage of 1.5 volts in the whole process from full charge to use. It is especially suitable for the use of high-current and high-voltage products such as flash bulbs and remote control cars. The second advantage is that it can be fully charged in 1.8 hours, a ninth of the time it takes to charge a NIMH rechargeable battery. The third advantage is strong energy, battery full with 2775mWh, if the use of flash can flash 576 times, NIMH rechargeable battery full only 1900mWh flash can flash 452 times.

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