Range/Series Overview
IMPORTANT: This Range/Series overview section describes the range of which this product belongs. Features of different versions might be mentioned and may not apply to the specific product on this page. Please view Specs for specification of product.The long battery life of the ThinkPad battery 44++ ensures you're never without power. The 9-cell system is rechargeable and is ideal as a replacement or spare battery for your X220 and X230 systems. It utilises Lithium-Ion (Li-Ion) technology and is compatible with the ThinkPad External Battery Charger (40Y7625). On average, the battery lasts for 94 watt hours.
*Battery life is affected by many factors. These include: features, applications, power management, screen brightness, battery conditioning and other customer preferences.