In the electricity,measure the properties of individual cells and performance by the common voltage, capacity and other concepts . General individual batteries (including alkaline batteries) rated voltage is 1.5V, nickel-cadmium Sony NP-FC11 batteries and nickel-metal hydride batteries is 1.2V, while the lithium-ion battery is a 3.6V (some manufacturers of lithium-ion battery calibration rated is 3.7V) , it is equivalent to three nickel-cadmium or nickel-metal hydride batteries in series derived from the voltage, some common non-rechargeable lithium battery voltage is 3V.
Capacity refers to the size of the battery for Canon LP-E5 storage capacity. Battery capacity of the unit is the “mAh”(at measuring large-capacity batteries such as lead batteries, for convenience, in general use “Ah” to express, 1Ah = 1000mAh). If 0.1C (C is the battery capacity), or 130mA of current to the battery discharge, then the battery can continue to work for 10 hours (1300mAh/130mA = 10h); If the discharge current is 1300mA, and that power is only 1 hour time around ( actually due to the Fujifilm NP-120 battery’s actual capacity of the individual differences ,work time there are some differences ). This is the ideal state analysis, digital equipment, in the actual work, it was not always possible when the current is constant at a value (i for example , digital cameras,, because of the work of current LCD display, flash and other components of the larger is on or off which change), so the device’s battery,Canon NB-4L life is about values, and this value is only through hands-on experience to estimate.
As a single battery voltage and capacity are very limited, and generally it need to use several battery comprising a battery to meet the actual power needs of different devices. In the digital camera, the most common combination is a series of batteries, that is connected to the battery positive and negative end to end, such as the four 1.2V, 1300mAh battery is in series, on the formation of a voltage is 4.8V, capacity 1300mAh battery group; In notebook computers, batteries for Nikon EN-EL8 generally use the hybrid approach, that is that there are parallel series. .
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