Lithium Polymer (LiPo). 5474 mAh 41 Wh. 7.56 V. Brand compatibility: Apple. Black. Number of batteries included: 1 pc(s). Features. Compatible products. MacBook Retina 12". Brand compatibility. Apple. Product colour. Black. Battery voltage. 7.56 V. Number of battery cells. 4. Battery capacity. 5474 mAh. Battery technology. Lithium Polymer (LiPo). Packaging data. Number of batteries included. 1 pc(s). leaflet. Origin Eco. Origin Promo