ThinkPad Battery 39+

ThinkPad Battery 39+ (0A36279) This is a battery pack that attaches to the 2nd battery connector of a supported model. Features Battery specification: 3.2Ah, 11.1V, 35.52Wh Battery cell count: Six, 3.7V lithium-ion polymer pouch cell Battery run time: up to 3 hours Battery charge time: up to 40 minutes Weight: 395 grams or 0.87 pounds

Part numbers

• 42T4978 (42T4938)

Models supporting this accessory

• X1, X1 Hybrid