Stay unplugged even longer with ThinkPad Battery 39+ (0A36279). This six-cell slice battery uses Lithium Polymer technology and easily attaches to our X1. Use along with system battery to provide an all-day computing (www.lenovo.com/alldaycomputing) experience.
Lithium Polymer technology
Six cell, slice battery
Output voltage: 11.1 V dc (nominal)
Battery Performance Amp-Hour: 3.2Ah
Battery Performance Watt-Hour: 36Wh
Charged by system
Fast charge capability, charges to 80% of full capacity in 30 minutes with 90W AC adapter