Lenovo announced today a new ThinkPad L Series, called ThinkPad L412 and ThinkPad L512. Designed for business, government and education customers, the ThinkPad 14-inch L412 and 15-inch L512 laptops feature high performance with the latest Intel processing technologies, military tough durability and strong web conferencing. Additionally, the laptops are the greenest on the market by integrating the highest amounts of post consumer recycled content.

Lenovo ThinkPad 14-inch L412 and 15-inch L512 laptops powered by 1.86GHz Celeron and Intel graphics to a 2.53GHz Core i5, up to 8GB of RAM, a 320GB hard drive, a LED backlight display with resolution of 1366×768 pixels, Wi-Fi, Bluetooth, and 3G/4G or WiMAX module with Gobi 2000 module support for AT&T, Sprint and Verizon.

There are other features which includes a 7-in-1 card reader, four USB ports, choices of Intel integrated or ATI Mobility Radeon HD 5145 graphics, and up to 8 hours of battery life, Windows 7 OS. The base model that houses a six-cell battery weighs just 5.1 pounds, while the larger one weighs 5.7 pounds.

The ThinkPad L412 and the L512 will be available in mid-May for prices starting at $649.

Gallery: Lenovo ThinkPad L412 and L512