Nickel-cadmium (NiCd): This is the first rechargeable batteries manufactured for laptops. They are relatively inexpensive, high performance and versatile because it can be used in a wide range of products. However, NiCd batteries have now been abandoned by laptop manufacturers with the introduction of more efficient battery and lighter.
Nickel Metal Hydride (NiMH) Batteries: NiMH was a big improvement in terms of power, reliability, cost, safety and capacity. The “memory effect” is the only issue with NiMH batteries that require them to be fully discharged before recharging for maximum efficiency. These batteries can still be found on older model laptops.
Lithium Ion (Lion): This type of laptop battery has become the most popular of the “memory effect” has been removed, and the weight is much lighter than the other two. However, market prices are also higher. Continue reading