The Seidio Innocell Slim Extended Battery is designed for the customer who needs extra life, but doesn't want to add any thickness to their device.

This model fits in your T-Mobile myTouch 4G existing battery space and doesn't require a replacement door, which makes it a perfect replacement for your original battery.

Features:

• Made from the highest quality Japanese Cells
• More capacity in the same form factor
• Fits in existing space so no replacement door is needed
• Perfect replacement for your original battery
• Capacity:  1600mAh