This replacement 4th Generation and U2 iPod battery is 100% compatible with the Apple iPod 4th Generation and iPod U2. Our batteries are made with high quality parts and are guaranteed to meet or exceed the original equipment manufacturers specifications at a reduced price. All batteries are tested for 100% quality control assurance. The replacement iPod U2/generation 4 battery includes a 1 year warranty to guarantee that it has no manufacturing defects.
