Ni-cd Rechargeable Batteries Ni-cd (nickel Cadmium) Rechargeable Nickel-cadmium Batteries On The Mar
Used a digital camera knows that digital cameras power consumption is particularly high
, because digital cameras are now more electronic circuits, such as the LCD viewfinder, storage and memory modules, CCD photosensitive devices such as digital camera batteries are the big power They have to rely on battery power required to supply digital camera battery is the source of power. Therefore, we need the correct selection and use of the battery.
ACER Laptop Battery APPLE Laptop BatteryMost current digital cameras use batteries are alkaline batteries, nickel cadmium rechargeable batteries, Ni-MH rechargeable batteries, lithium ion batteries and battery packs. We introduce the following were the characteristics of these cells.
1. Alkaline batteries alkaline batteries for use in their daily lives in a very broad, it can Walkman, MP3 and other digital products to show their talents, but the batteries used in digital cameras, time is short, although its costs are lower However, for digital cameras may not be cost-effective long-term. It features: in the course of the battery voltage will gradually drop. If a mechanical drive, zoom, flash and LCD digital cameras and other configurations use alkaline batteries, then the voltage in the filming process will become less, reducing to a certain degree, even if the battery capacity still remaining, the battery can not be used. Alkaline batteries can be charged in the travel case can not be used as an emergency.
2. Ni-Cd rechargeable batteries Ni-Cd (Nickel Cadmium) rechargeable nickel-cadmium batteries on the mark for the Ni-Cd, its advantages are resistance to charge, and the price is relatively low. Nickel-cadmium rechargeable batteries can provide high current, and can charge and discharge more than 300 ~ 800, 500 times in the charge and discharge the capacitance after the fall, can only reach about 80%. This battery uses the last few years more. But it is also very obvious
LG Laptop Battery LENOVO Laptop Battery
IBM Laptop Battery SONY Laptop Battery shortcomings: first, the memory effect was obvious. If you do not pay attention to tips and timely discharge, the battery will soon produce memory effect, makes the smaller capacity, affect the use; second in charge and discharge, the cathode, president of the needle-like crystals of cadmium, which sometimes penetrate the partitions cause a short circuit within the dendritic transistor; Third, the use of cadmium batteries are toxic heavy metals, used batteries cause pollution if not recycled. Ni-Cd rechargeable battery which is now out of the market has been gradually.
3. Ni-MH rechargeable batteries NiMH (Nickel-Metal Hydride) NiMH rechargeable batteries are to replace the nickel-cadmium batteries were designed. Ni-MH battery is the use of nickel oxide as the anode and the hydrogen absorption metal alloy as the cathode. Because of this alloy can absorb up to 100 times its own volume of hydrogen storage capacity strong. Ni-MH battery energy density than nickel-cadmium batteries large, its capacity is about twice the nickel-cadmium batteries. NiMH rechargeable battery raw materials do not contain mercury, cadmium and other toxic heavy metals, which are environmentally friendly. In addition, the NiMH rechargeable battery memory effect is not obvious, do not deliberately discharge to ensure that the battery
DELL Laptop BatteryHP Laptop Battery capacity has more peace of mind to use, Ni-MH rechargeable battery life of nickel-cadmium rechargeable batteries generally longer than the 40%. These outstanding features make the Ni-MH rechargeable battery has now become one of the mainstream of digital camera batteries. Major drawback is the depth of discharge, overcharge and over discharge, at 100% discharge depth of up to 500 times more than under the charge and discharge cycle. So this battery charger to automatically power off, or easily damage the internal battery, so can not use ordinary nickel-cadmium battery charger. In addition, the NiMH rechargeable battery volume and weight compared with the lithium ion battery, some big, is not conducive to compact digital cameras.
by: combattery
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