Mathematical Method for Panasonic Battery Capacity Share

Several labeling methods of pongason batteries, such as C20, C10, C5, C2, respectively, showing the actual capacity of discharge rates in 20 h, 10h, 5h, 2h, respectively. The capacity at 1,20h discharge rate is indicated that the battery of C20, C20 = 10ah refers to a capacity value obtained at C20 / 20 current discharge 20h. Convert C5, that is, 4-fold discharge of the current specified in C20, the capacity is only about 7AH. The electric bicycle is generally discharged from 1 to 2 hours, and the pizza battery is stored in 1 ~ 2h (C1 to C2), close to 10 times the specified current, only 50% to 54 of C20 discharge capacity is only 50% ~ 54 %. 2. The labeling battery capacity is indicated by C2, that is, the capacity indicated by the rate of 2H discharges, if not C2, the calculation should be performed, and the correct discharge time and capacity are obtained. If the capacity indicated by the 5H discharge rate (C5) is 100%, if it is changed to 3 hours, the actual capacity is only 88%; 2h is completed, only 78%; 1h is completed, only 5h is discharged 65% of time capacity. 3. The size of the lame is assumed to be 10ah. The actual power of 8.8ah can only be obtained by discharging at 3H; if it is discharged at 1H, only 6.5ah is electrically, will shrink the discharge rate, the discharge current> 0.5c2 is not only the reduction in the mark, but also the life of the Panasonic battery. A certain impact. Similarly, the battery is indicated (rated) capacity of C3, the discharge current is C3 / 3, ie ≈0.333C3, if it is C5, the discharge current should be 0.2c5, and so on. Read more

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