How to revive a dead laptop battery
Lithium-ion batteries power tons of consumer electronics and have even made their way into hybrid and electric vehicles. But unlike normal AA and AAA alkaline batteries, lithium-ion batteries for your electronics can be pretty expensive to replace.
Lithium-ion (Li-ion) batteries are rechargeable, but even rechargeable batteries have a limited number of cycles before they start to degrade. Over time, they take longer to power up and lose their charge much more quickly.
