BTI Notebook Battery 10.8V 4400mAh LiIon RechargeableDesigned to power notebooks with enduring reliability, the BTI Battery is a rechargeable Lithium Ion cell engineered to deliver sustained performance when you need it most. Featuring a 10. 8 V output and a generous 4400 mAh capacity, this proprietary size battery provides longer run times, smoother transitions between charges, and a dependable energy source for daily tasks, presentations, and travel. Whether youre catching up on emails, editing