Amazon.com: INTIFO 45Wh L19C3PDA Laptop Battery Compatible with Lenovo ThinkBook 14 G2 ITL are 14 G3 ACL 14 G4 ABA 15 G2 ITL are 15 G3 ACL 15 G4 ABA L19D3PDA L19L3PDA
How to Fix 'No Battery Is Detected' on Your Laptop
How to fix “No battery is detected” & “No battery present” errors on laptop computers. - YouTube
Replacing the Battery on a model L18C4PF3. Old battery drains in a few seconds from full charge. Put in the new battery and it says in the task bar "No battery present".