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LITHIUM ION BATTERY GENERAL ISSUES I

Shenzhen Sinoli Electronic Co.,Ltd | Updated: Sep 16, 2018

LITHIUM ION BATTERY GENERAL ISSUES I:

Q94: Can a rechargeable 1.2v portable battery be used instead of a 1.5v alkaline manganese battery?


The voltage range is between 1.5v and 0.9v when the alkaline manganese battery discharges, while the constant voltage is 1.2v/branch when the charging battery discharges, which is roughly equal to the average voltage of the alkaline manganese battery. Therefore, it is feasible to replace the alkaline manganese battery with the rechargeable battery, and vice versa.


Q95: What are the advantages and disadvantages of rechargeable batteries?


The advantage of rechargeable battery is long service life. Even if the price is higher than that of primary battery, it is economical from a long-term perspective, and the rechargeable battery has higher load than most primary batteries. However, the discharge voltage of ordinary secondary battery is basically constant, and it is difficult to predict when discharge will end, so it will cause certain inconvenience in the process of use. However, lithium-ion batteries can provide long service time, high load, high energy density, and the drop of discharge voltage decreases with the depth of discharge.


The self-discharging rate of ordinary secondary battery is higher, so it is suitable for large current discharge, such as digital camera, toy, electric tool, emergency lamp, etc., but not suitable for small current discharge for long time, such as remote control, music doorbell, etc., and also not suitable for long time discontinuous use, such as flashlight. At present, the ideal battery is lithium battery, which has almost all the advantages of the battery. The self-discharge rate is extremely low.


Q96: What are the advantages of nickel-metal hydride batteries? What are the advantages of lithium-ion batteries?


The advantages of ni-mh batteries are:

01) low cost;

02) good quick filling performance;

03) long cycle life;

04) no memory effect;

05) pollution-free, green battery;

06) Wide range of temperature use;

07) good safety performance.


The advantages of lithium-ion batteries are:


01) high energy density;

02) high working voltage;

03) no memory effect;

4) long cycle life;

05) no pollution;

06) light weight;

07) Small self-discharge.