Bose 40229, NTA2358 200mAh Battery Part No: 40229, NTA2358 Fits :Bose QC3 Capacity :200mAh This Brand New Battery will give you a longer battery life than your original.Manufactured with top quality cells using the most up-to-date technology to give a long lasting charge with no memory effect.All our Batteries conform to ISO9001, RoHS and CE certification. All our prices include VAT and you will receive a VAT invoice Brand New (Not original) 100% Compatible - Please note extended batteries are larger than your original, please check to see if the product image has a back cover. If there is a back cover, this is an extended battery and will be larger than your original