PREMIUM QUALITY REPLACEMENT BATTERY: Bring your laptop back to life with Ninjabatt's high quality laptop battery - Made of high quality materials, top grade battery cells and packed with safety features TRUE CHARGING CAPACITY THAT LASTS: Every one of our replacement batteries are tested to meet OEM specifications. Our 3 cells Li-ion battery is rated at 38Wh/14.4V - true charge capacity that wont let you or your laptop down.