Running out of battery very frequently even after 3-4 hours of charging is a call for buying a new battery. The 6 cells Battery for IBM T60 R60 Lapcare (Black) offer nonstop reliable functioning and performance to utilize time and CPU of your system. No more pending work logs due to power cuts. This product when charged for an hour or so provides a power backup of 4-5 hours. Tested and validated by dexterous dell technicians on all dell systems, this product is for sure a great buy. This product functions properly on almost all the Dell models and is powered by 6 turbocharged cells.