It seems like you’re looking for a replacement battery for the Apple MacBook 12" (2015) model, specifically the A1534 notebook. The battery you're referring to is the A1527. If you are considering buying this battery wholesale, here's some information to guide you:
Battery Specifications:
Model Compatibility: Apple MacBook 12" (2015) – A1534
Battery Part Number: A1527
Battery Type: Lithium-polymer
Voltage: 7.6V
Capacity: 41.4Wh
Size: Custom shape designed for the MacBook 12" (2015)