Charge the battery pack each time before you use the product so that you do not miss any opportunities to shoot images. The charged battery pack will discharge little by little even if you do not use it.Charge the battery pack (supplied) before using the product for the first time.It means the battery can be use for 2.6minute (0. ∴ Used hours (h) = Discharged capacity(Ah) / Applied current(A) = 4.15(Ah) / 96(A) ≒ 0.043hours ≒ 2.6 minutes with 96A The following is the available time of the battery when the capacity of battery shows 4.15Ah The discharge current value under 20C discharge condition is 4.8(A)*20(C)=96A This battery reveals the excellent performance even if the battery discharges 20C discharge condition. It’s means the battery is available for 1 hour by this current discharge condition.Ģ. ∴ Charge (or discharge) Current (A) = Rated capacity of the battery * C-rate = 4.8 * 1(C) = 4.8 A What is 1C discharge current condition at this model? In High Power products, rated capacity of SLPB11043140H model is 4.8Ah. ∴ Used hour of the battery = Discharge capacity (Ah) / Discharge current (A) Discharge Capability of high power Lithium cell. ∴ C-Rate (C) = Charge or Discharge Current (A) / Rated Capacity of BatteryĪlso, expected available time of the battery on given discharge capacity can be obtained by To calculate of load current value with charge/discharge rate, it can be obtained by The discrepancy in capacity readings with different C-rates is related to the internal resistance of the battery. Discharging the same battery at 0.5C, or 500mA over two hours may increase the capacity reading to about 105%. Due to internal energy losses and a voltage drop that causes the battery to reach the low-end voltage cut-off sooner, the capacity reading may be lowered to 95%. Theoretically, the capacity reading should be the same as with a slower discharge, since the identical amount of energy is dispensed, only over a shorter time. By discharging the 1000mAh battery at 2C, or 2000mA, the analyzer is scaled to derive the full capacity in 30 minutes. When discharging a battery with a battery analyzer that allows the setting of different discharge C-rates, a higher capacity reading is observed if the battery is discharged at a lower C-rate and vice versa. A new battery sometimes provides more than 100% capacity. If the battery only lasts for 30 minutes before cut-off, 50% will be displayed. If the analyzer’s capacity readout is displayed in percentage of the nominal rating, 100% is shown if a 1000mAh battery can provide this current for one hour. The capacity of a battery is commonly measured with a battery analyzer. 1C is often referred to as a one-hour discharge a 0.5C would be a two-hour, and a 0.1C a 10-hour discharge. At 2C, the 1000mAh battery would deliver 2000mA for 30 minutes. The same battery discharged at 0.5C would provide 500mA for two hours. This means that a 1000mAh battery would provide 1000mA for one hour if discharged at 1C rate. Most of portable batteries are rated at 1C. The charge and discharge current of a battery is measured in C-rate. The C-rate is a unit to declare a current value which is used for estimating and/or designating the expected effective time of battery under variable charge/discharge condition.
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