Studio XPS 1340 battery Description 

Type:  Li-ion
Capacity:  4400 / 6600 mAh
Volt:  11.1 V
Size:  258.90 x 50.50 x 42.75 mm
Color:  Black
Dell Studio XPS 1340 battery Compatible original Battery Code:

Dell 312-0773
Dell 312-0774
Dell 878C
Dell 00878C
Dell 0P891C
Dell 0PP17S
Dell 0R437C
Dell 0T555C
Dell 0T561C
Dell 0W004C
Dell P891C
Dell PP17S
Dell R437C
Dell T555C
Dell T561C
Dell W004C

Dell Studio XPS 1340 battery Fit with below:

Dell Studio XPS 13
Dell Studio XPS 1340
Dell Studio XPS PP17S