SpecificationsBattery Model:L21C3P74 // Voltage:11.61V // Capacity:49.57Wh 4270mAh 3-cell // Color:Black // Condition:Brand New.
Replacement for Part NumberL21C3P74 SB11F28679 5B11F28682 SB11M89866 5B11M90065 L21D3P70 SB11F28678 5B11F28681 SB11M89865 5B11M90064 L21M3P74 SB11F28677 5B11F28680 SB11M89864 5B11M90063
Compatible with Machine Modelsfor Lenovo ThinkPad X1 Nano Gen 2 (Type: 21E8 21E9) series; for Lenovo ThinkPad X1 Nano Gen 3 (Type: 21K1 21K2) 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.