mr tech | High Performance Battery for Sennheiser headphones closed | Replacement for Sennheiser BA150, BA151 | Compatible with: RS4 RS6 RS8 RS30 RS40 RS45 RS55 RS60 RS65 RS80 RS85 RS400 RS2400 IS380 IS150 IS300 (Electronics)
I am writing this review to let people know that the first copy received this never wanted to take charge. Having claimed under warranty, I received a second copy that has not held more than 4 charging cycles. I am so disgusted that I abandon the hop