Model: 02DL005 // Voltage: 15.36V // Capacity: 51Wh 3321mAh // Color: Black // Type: Plug & Play Li-ion Battery. Replacement for Part Number: 02DL005 L18M4P72 SB10K97643 02DL006 L18C4P71 SB10K97644 02DL004 L18L4P71 SB10K97642 5B10W13930 5B10W13931 5B10W13932. Compatible Models: Fit for Lenovo ThinkPad X1 Yoga 4th Gen (X1 Yoga 2019 Gen) // X1 Carbon 7th Gen (X1 Carbon 2019 Gen) // X1 Carbon 8th Gen (X1 Carbon 2020 Gen) Series. Note 1: In order to find the right model, please open the back case of your laptop and check the model number of your original battery. Note 2: Before installing the replacement battery, please read the manual carefully.