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When replacing an old laptop battery, you may find that the original battery is marked 11.1V, while a replacement advertised for the same laptop model is marked 10.8V. This naturally raises an important questio…
When replacing an aging laptop battery, you may find replacement batteries advertised with a higher mAh (milliampere-hour) rating than the original battery. For example, your laptop may originally have a 4,000 …
Laptop battery technology has improved significantly over the years, but most modern portable computers still rely on two closely related rechargeable battery technologies: Lithium-ion (Li-ion) and Lithium-Poly…
Laptop batteries are consumable components. Even when a laptop continues to work perfectly, its battery gradually loses capacity because lithium-ion cells chemically age with time, charge cycles, temperature, c…
When checking a laptop battery, you will commonly find specifications such as: 11.4 V 15.2 V 3,500 mAh 5,000 mAh 42 Wh 56 Wh 86 Wh These numbers describe different electrical characteristics of the battery. A c…