Are you tired of sub-standard batteries? With Amstron brand batteries, you will get a high performance and reliable replacement for your Asus Laptop. The LAS-13 is designed and manufactured to be 100% compatible with Asus OEM part numbers 90-NA51B2000, 90-NA51B2100, 90-NA51B2200, 90-NA52B2000, 90-NA71B1100, 70-NA51B2100, A42-A3 and BPA3NG. This battery has been put through test after test to insure quality and compatibility with the Asus A3, A3000, Z9100 and many other series of notebooks.
