Replacement Battery for BOSE Quiet Comfort 20 QC20 headphone,Part PR-452035

A Grade High quality battery. Brand NEW Cameron Sino branded battery. Excellent quality and reputation. Equipped an integrated microchip that prevents overcharging and lengthens battery life The battery should be charged for about 4-6 hours before being used Great replacement for your old, damaged or worn one This battery is compatible with Bose Quiet Comfort 20 QC20 Headphone Specifications Battery Type Li-Polymer Voltage 3.7V Capacity 240mAh Package Includes 1 x Battery