Ensure your Lenovo T14 Gen 3 stays powered through your day with this genuine Lenovo laptop battery. Designed specifically for the T14 Gen 3 (Type 21AH, 21AJ), it provides reliable and efficient performance. The package includes one unit, perfect for replacing your current battery or as a spare for future needs.With the part numbers 5B11M90028 and 5B11M90029, this battery is a direct fit for your ThinkPad device. It maintains the quality and compatibility that Lenovo users have come to expect, ensuring your laptop continues to operate at its best without skipping a beat.