The T4000E isLi-ion battery dSamsung Galaxy Tab 3 7.0 series, includingT210, T211,T215, and P3200. It features the following specifications:

• Capacity: 4000mAh

• Voltage: 3.7V

• Type: Li-ion (Lithium-ion)

This battery offers a reliable option for replacing the original battery, providing sufficient power to keep your tablet running smoothly. When replacing, be sure to check that the battery fits your specific model (T210, T211, T215, or P3200) to ensure compatibility.

It's recommended to choose a genuine or high-quality third-party battery from a reputable supplier to avoid performance or safety issues.