which macbook pro to buy

{"title":"661-02280 Macbook Pro Topcase Palmrest US Keyboard 12\" A1534 Gold 2015","imgUrl":"https:\/\/img.chinax.com\/nimg\/7e\/5f\/60d0bead2cdae6fa783f4bc42f3b-200x200-1.jpg","attrs":{"Price":"Price Negotiable","Brand Name":"For Apple US","Model Number":"A1534 2015","Minimum Order Quantity":"1","Certification":"TEST","Place of Origin":"CHINA","Payment Terms":"T\/T, L\/C, D\/A, Western Union, MoneyGram","Supply Ability":"100000","Packaging Details":"48*38*8","Size":"12\"","Resolution":"2304*1440","Model":"A1534 2015","Colour:":"Gold 2015","Brand:":"A1534 US","Warranty:":"1 Year"}}

{"title":"Laptop Battery A1494 A1618 for MacBook Pro 15 inch Retina A1398 (Late 2013 Mid 2014 and Early 2015), fits ME29","imgUrl":"https:\/\/img.chinax.com\/nimg\/63\/57\/09739e19e5a155e20e58521f3ca2-200x200-1.jpg","attrs":{"Price":"USD33.2","Brand Name":"For Macbook","Model Number":"For A1618 Apple MacBook Pro 15\" A1398 Retina 2015 Year ME293 ME294","Minimum Order Quantity":"10PCS","Delivery Time":"3-7 workdays","Certification":"CE ,FCC,RoHS,PSE,UL2054,UN38.3,MSDS","Place of Origin":"China","Payment Terms":"T\/T, Western Union,Paypal, MoneyGram","Supply Ability":"1000PCS PER DAY","Packaging Details":"1 x laptop battery,2 x free screwdrivers","Model":"A1618","Capacity":"8755mAh","Voltage":"11.36V","Watt":"99.5Wh","Type":"Zero cycle ,100% new","Life":">800 times","Warranty":"12month","Weight":"400g"}}