ThePowerPlus 60 Universal Battery provides an uptime of up to 5 hours. It works with over 2000 laptop models. It is based on the advanced lithium polymer technology which is superior to the Li-Ion technology.
Pros
Reasonably priced
Compact and lightweight – weighs just 19.6 oz
Designed in such a way that it is resistant to overcharge and leakage
Cons
It may not work with older model laptops