The battery in my 2011 MacBook Air expanded and so has been removed, does anyone have any experience with buying 3rd-party batteries on Amazon, such as this one for 30€?
Or, other than the capacity difference, is the iFixit one worth the additional 50€?
https://store.ifixit.de/products/macbook-air-11-mid-2011-early-2015-replacement-battery

Green Cell PRO A1406 Laptop Akku für Apple MacBook Air 11 A1370 A1465 (Mid 2011, Mid 2012) Li-Polymer Zellen 33Wh, Schwarz, AP11_AD_1
Green Cell A1406 Laptop Akku für Apple MacBook Air 11 A1370 A1465 (Mid 2011, Mid 2012) Li-Polymer Zellen 33Wh
www.amazon.de
Or, other than the capacity difference, is the iFixit one worth the additional 50€?
https://store.ifixit.de/products/macbook-air-11-mid-2011-early-2015-replacement-battery
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