Laptop Battery for Lenovo ThinkPad T420S; Lenovo ThinkPad T420si; Lenovo ThinkPad 4171-A13

• Laptop Battery for Lenovo ThinkPad T420S; Lenovo ThinkPad T420si; Lenovo ThinkPad 4171-A13
• Compatible Part Numbers: IBM 42T4847-EV7|Lenovo 0A36287-ER|Lenovo 0A36287-TM|Lenovo 42T4844|Lenovo 42T4846|Lenovo 0A36287|Lenovo 42T4847|Lenovo 42T4845
• Newest Premium Grade Cells: Premium Power Products replacement laptop batteries use premium grade cells to ensure fast charges and low power consumption.
• Quality and Compatability : Premium Power laptop batteries are 100% compatible with the original manufacturer and meet CE/FCC/ROHS/UL certified safety standards.
• Safety and Protection: Premium Power Products replacement laptop batteries are built with your safety in mind. All of our batteries come with built in circuit protection against: over voltage, over current, over charge, over discharge and over heating (i.e. thermal runaway).
• Color: Black
• Condition: New - 100% OEM Compatible
• Capacity: 4000mAh
• Battery Technology: Li-Ion