2011年5月18日星期三

Cylindrical cell batteries are the most common types of batteries

Cylindrical cell batteries are the most common types of batteries used in household devices. These batteries typically come in standard alkaline form, but some also come as nickel-based rechargeable batteries. The size of the battery, labeled by its letter class, determines how much power it stores, which is measured in amp-hours.Hp 315338-001 battery
AA batteries are among the most common types of cells used. A AA battery measures 2 inches in length, including its button-like positive terminal, and just over 0.5 inches in diameter. AA batteries usually have a voltage of 1.5 volts, though nickel-cadmium and nickel-hydride usually have a 1.25 voltage and nickel-zinc has 1.65. Alkaline batteries usually have a maximum charge of 2900 amp-hours; lithium and nickel hydride batteries
(Hp pavilion dv6 battery,Dell latitude d830 battery) can have up to 3000 amp-hours, while nickel-cadmium and zinc-based batteries usually have 1500 or less. AA batteries are often use in portable electronic devices like hand-held CD players and video games consoles.
AAA batteries are very similar to AA cells, but more compact. These batteries are 1.75 inches long and 0.41 inches in diameter. Like AA batteries, they carry a voltage of 1.5 volts. AAA batteries usually have a maximum charge of 1200 amp-hours; zinc and cadmium-based batteries can drop to around 500 amp-hours. These batteries are for devices that don't require as much power as those that use AA cells. They are found in the same type of devices as AA cells, such as portable electronics and remote controls, but they are more efficient in power consumption.
C cell batteries are noticeably larger than AA and AAA sizes. They are two inches long and just over 1 inch in diameter. These batteries' voltage may vary from the standard 1.5 voltage depending on their chemical compound. The alkaline form of these batteries normally store 8,000 amp hours; nickel hydride batteries usually have 6,000 while zinc-carbon batteries have less than 4,000. C batteries are often used in larger children's toys and musical instruments.

Did you know that detaching your main laptop batteries from your laptop would increase your laptop's battery life up to 75%? Our experience and testing have shown that even when you are plugged in with your laptop ac adapter and your battery is fully charged, the laptop will still use the laptop battery resources in small increments. This will put unnecessary charge cycles to your battery. Since typical li-ion laptop batteries have 375 charge cycles, having a fully charged battery inserted will put unnecessary charge cycles. The downside to removing your laptop battery maybe a loss of power when the ac adapter is accidentally unplugged or when there is a power outage.


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