The BA150, BA151, RS6, TR820 battery from Sennheiser is a powerful NiMH replacement battery specifically designed for a variety of Sennheiser headphone models. This battery is not an original product, but it offers improved performance of up to 125% compared to conventional batteries. It is compatible with various models, including the A200, IS150, RS6 series, and many more. The battery can be easily charged in the existing charger and is designed to have no memory effect, meaning it can be recharged at any time without affecting its lifespan. With a compact design and a weight of only 9 grams, this battery is a practical solution for anyone looking to power their Sennheiser headphones again. The technical specifications include a voltage of 2.4 volts and a capacity of 60 mAh, making it a reliable choice for everyday use.

• High-performance NiMH battery with up to 125% more power than conventional batteries
• Compatible with a variety of Sennheiser models, including RS6 and TR820
• No memory effect, allows for recharging at any time
• Can be charged in the existing charger
• Compact dimensions and lightweight design for easy handling.