· 【Replacement Battery Type】A1965 Battery Li-Polymer; Voltage:11.4V; Capacity: 49.9Wh/4379mAh.This battery provide the same battery life as the original,We are a professional laptop battery manufacturer,We only provide the best quality batteries to ensure the best possible buying experience for our customers· 【Compatible Models】Replacement for MacBook Air 13" 13.3" Late 2018 2019 A1932(EMC 3184), Early 2020 A2179(EMC 3302) A1965 Notebook Battery· 【Compatible Part Numbers】Compatible with MacBook Air A1965 020-02459 A1932(EMC 3184) A1965(3ICP4/63/119) A2179(EMC 3302) 020-02455 661-11676 Laptop Battery· 【Bituli Quality】All of Bituli products are Certified by CE, FCC,RoHS and UL for safety. Strict guidelines for compatibility, and standards compliance for environmental safety.Bituli battery packs are comprised of grade "A" cells with top quality ion battery materials that ensure Reliable performance extended battery life· 【Bituli Support】24 x 7 Email support, Rest assured with 30 days Refund，12 months Replacement,For any other problems or advise please feel free to contact us,If you are not satisfied for any reson please let us konw,we promise to deliver you a FAST resoluton