Laptop batteries are rated by by voltage (V) and milliamp-hours (mAh). The voltage represents the rate at which power is transfered from the battery to the laptop computer. The milliamp hours represent the capacity of the laptop battery. Two batteries that have the same voltage but different mAh ratings will operate for different times for the same set of conditons. Replacement laptop batteries with higher mAh ratings will operate longer than those with lower ratings.
In order for a replacement laptop battery to work in a given laptop computer, the battery must physically fit in the space of the battery compartment. This is quite obvious. However, it is critical that the voltage of the battery meet the operating specification. Operating a laptop computer with an incorrectly rated battery voltage may cause damage to the laptop computer.
However,batteries with different milliamp-hour ratings can be used on the same laptop computer as long as the voltage specification is met. The power rating or capacity of the replacement laptop battery is represented as its milliamp-hours and often times the replacement batteries will have a higher mAh rating than the OEM laptop battery that came with the laptop computer unless the user paid a premium for an upgraded battery with the original purchase.
Most replacement laptop batteries for a given computer brand and model will be offered in a variety of milliamp-hour ratings. From a unit pricing point of view, i.e. $/mAh, it is usually more cost effective to purchase a replacement laptop battery with the highest capacity.
The operating time of a laptop battery will vary depending on the laptop computer’s hardware configuration and software applications. Motherboard power requirements can vary, the energy consumption of laptop computer screens can quickly drain power, wireless network access will use power and disk intensive applications can require higher power usage. Also, gaming and video applications are examples of software applications that result in higher power requirements and shorter operating times.
A typical laptop battery will last for anywhere from 500 to 1,000 charging cycles. A charging cycle is the charge and discharge of the laptop battery. For most users, this will represent about one and a half to three years of battery life. The operating time of the battery will decline as the laptop battery starts to fail. When you notice this happening, start shopping for replacement laptop batteries for your laptop and notebook computers.
May 10th, 2009 | 
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Laptop batteries are rated by by voltage (V) and milliamp-hours (mAh). The voltage represents the rate at which power is transfered from the battery to the laptop computer. The milliamp hours represent the capacity of the laptop battery. Two batteries that have the same voltage but different mAh ratings will operate for different times for the same set of conditons. Replacement laptop batteries with higher mAh ratings will operate longer than those with lower ratings.
In order for a replacement laptop battery to work in a given laptop computer, the battery must physically fit in the space of the battery compartment. This is quite obvious. However, it is critical that the voltage of the battery meet the operating specification. Operating a laptop computer with an incorrectly rated battery voltage may cause damage to the laptop computer.
However,batteries with different milliamp-hour ratings can be used on the same laptop computer as long as the voltage specification is met. The power rating or capacity of the replacement laptop battery is represented as its milliamp-hours and often times the replacement batteries will have a higher mAh rating than the OEM laptop battery that came with the laptop computer unless the user paid a premium for an upgraded battery with the original purchase.
Most replacement laptop batteries for a given computer brand and model will be offered in a variety of milliamp-hour ratings. From a unit pricing point of view, i.e. $/mAh, it is usually more cost effective to purchase a replacement laptop battery with the highest capacity.
The operating time of a laptop battery will vary depending on the laptop computer’s hardware configuration and software applications. Motherboard power requirements can vary, the energy consumption of laptop computer screens can quickly drain power, wireless network access will use power and disk intensive applications can require higher power usage. Also, gaming and video applications are examples of software applications that result in higher power requirements and shorter operating times.
A typical laptop battery will last for anywhere from 500 to 1,000 charging cycles. A charging cycle is the charge and discharge of the laptop battery. For most users, this will represent about one and a half to three years of battery life. The operating time of the battery will decline as the laptop battery starts to fail. When you notice this happening, start shopping for replacement laptop batteries for your laptop and notebook computers.