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Experts tell you the correct way of using the lithium battery - — The charger green light in charge for an hour more useful in the future?

by:Vglory      2020-10-29
Green light is a instructions, the real charge or not lies in the charger the battery charging process control and judgment. In 4. 2 v lithium-ion battery as an example to discuss the problem. First is control, control of the output of the battery is constant current, constant voltage ( Current decreases and then the judgment, the judgment of current is less than a current value, according to the green, because the precision of adc and the voltage precision is restricted, charger usually set the current value of 50 ma, shows a green light at this time, then the battery is indeed the real charge and less than 10% ( Measured according to me, now of the lithium ion battery to charge 50 ma deadline, its capacity can reach 95%, charging accept ability is greatly increased the question now is whether the seat charger then doing: A. If then, can charge completely shut off the charging circuit, no continue to constant voltage charge, so filled with placed 10 hours here is also not helped. Many of the seat charger design is such, such as TI ( Texas instruments) Charging BQ2057 series chips, linear ( Ling) LT1800 series. B。 Charger continue constant voltage charging, and strictly control the voltage does not exceed 4. 2 v, no doubt, to charge more for an hour, can increase the capacity of the battery. C。 Charger to charge, but it's in bad current control, accidentally make a battery is beyond the 4. 2 v, and continue to run up. Because lithium-ion batteries can't absorb any overcharge. Continue to pressure the battery current, can cause the consequences, then the overcharge. This of course is to design a bad seat charger, such as common rechargeable lithium ion batteries and rechargeable nimh batteries' egg filling of ten dollars. D。 There is a charge control chip, such as maxim ( The letter) 1679 chip, the same as many mobile phone charging management, it adopts the pulse charging mode, press it to show a green light, lithium ion battery has 100% full, place an hour again, of course, it will not overcharge, apparently in doing this. Users don't really know what do after the green light charger, A or B or D, is likely to be, charger specifications not writing these things. Eliminate unqualified seat charger, we should believe that qualified and original charger, a green light on, why don't you down with it? The implications for users really nothing too big, the charge is not satisfied and will not affect the cycle of life, As above mentioned in point 7) , 95% of capacity is also acceptable. Unless there is a lover can further analysis their seat charger what is the way in charge, otherwise we might as well after the green light is off. Lithium-ion batteries, electric lithium battery manufacturer, the product by the supervision and inspection institute of guangdong province, through international CE certification, the national group by China ping an insurance company, a two-year warranty, the first in the New Year. For details, please consult the online customer service, or call, the free phone service.
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