Restore Reliable Power to Your Lenovo ThinkBook/K14 with L22D3PE0 Battery Is your Lenovo ThinkBook 14/16 G6-G8 or K14 G2-G3 struggling with short battery life, sudden shutdowns, or failing to hold a charge? This 100% brand new L22D3PE0 replacement battery is engineered to revive your devices performance. With a 45Wh/3910mAh capacity and 3-cell Li-ion design, it delivers stable, long-lasting powerperfect for work, travel, or daily productivity.