Everything you should know about battery replacement before reaching to any conclusion, if your MacBook Pro M1 14 inch battery draining rapidly than usual? It is common problem with every MacBook over the period of time, battery cell degraded and leading to bad performance and low battery life. There are issues related to battery problem mentioned below and if your MacBook as any of symptoms mention below it is the time for battery replacement.for your MacBook Pro Ssymptoms of bad MacBook Pro M1 Battery. Low Power Backup – Even though you charged your MacBook battery to 100% but did not last of couple of hours. Error on Battery Symbols – MacBook OS give notification if battery is in bad condition “battery Service Recommended” if you see this error on battery symbol left top corner of MacBook. Lagging and Slow Performance – Damaged battery can affect the performance, speed and functionality of overall MacBook, if you see MacBook is lagging and taking time open any application or page, it could be because of bad battery. Overheating Problem – A degraded battery can make your MacBook overheat easily.