Lithium-Ion (Li-Ion). 4300 mAh 49 Wh. 11.4 V. Brand compatibility: Apple. Black. Number of batteries included: 1 pc(s). Origin Storage BTI 6C BATTERY MACBOOK PRO 13 OEM:A1819 industrial rechargeable battery. Features. Brand compatibility. Apple. Product colour. Black. Battery voltage. 11.4 V. Number of battery cells. 6. Battery capacity. 4300 mAh. Battery technology. Lithium-Ion (Li-Ion). Packaging data. Quantity per pack. 1 pc(s). Number of batteries included. 1 pc(s). leaflet. Origin Promo. Origin Eco