Laptop batteries and Notebook batteries for all major brands like HP, IBM, Toshiba, Dell,  Sony, Fujitsu-Siemens, Acer and Asus. Your average laptop battery will probably lose it capacity to recharge fully after about 2 years depending on the usage pattern. Usually a laptop battery is never fully discharged, which is essential for a laptop battery to be able to deliver it's maximum capacity over a long period of time. Here you will find replacement laptop batteries for all major brands. If you laptop battery is not listed yet please get in contact.