crwdns2936637:0crwdne2936637:0 crwdns2853008:0crwdne2853008:0 crwdns2918746:0crwdne2918746:0

crwdns2944351:0crwdnd2944351:0Lenovo ThinkPad L440 Battery Replacementcrwdnd2944351:0crwdne2944351:0

crwdns2933797:0Brendin Melocrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Brendin Melo

crwdns2933769:0crwdne2933769:0
crwdns2933771:0crwdne2933771:0
crwdns2933801:0crwdne2933801:0
Conclusion
To replace the battery, get the new battery and slide it into the slot with the raised part facing upwards where the old battery was, and it will automatically lock into place.
To replace the battery, follow the steps in reverse order.