L21M4P77 Battery 72Wh 4640mAh Replacement for Lenovo ThinkPad Z16 Gen 1 / Z16 Gen 2 Series 5B10W51887 5B11M90085 L21C4P74 5B10W51888 L21D4P76 5B10W51889 15.52V 4-Cell

SpecificationsBattery Model:L21M4P77 // Voltage:15.52V // Capacity:72Wh 4640mAh 4-cell // Color:Black // Condition:Brand New.
Replacement for Part NumberL21M4P77 SB10W51988 5B10W51887 SB11M89886 5B11M90085 L21C4P74 SB10W51989 5B10W51888 SB11M89887 5B11M90086 L21D4P76 SB10W51990 5B10W51889 SB11M89888 5B11M90087
Compatible with Machine Models for Lenovo ThinkPad Z16 Gen 1 (Type: 21D4 21D5) Series; for Lenovo ThinkPad Z16 Gen 2 (Type: 21JX 21JY) Series.
SafetyAll FCZFCZ products are Certified by CE, UL for safety. Each battery is factory tested before shipment and at good condition, and have its mark. Built-in circuit protection ensures both safety and stability. Each battery has high capacity to provide enduring, continual use.
InstructionsPlease open the back cover of the laptop before purchasing and confirm that the original battery type is the same as the picture. Please read the battery instruction manual carefully before installing the battery. Please install the battery correctly and ensure that the battery interface and the motherboard are firmly connected. Please use the original charger to charge the laptop. After battery installation, discharge the new battery to 5% (not 0%), then charge and cycle 3-4 times to wake up the new battery.