Skyvast 11.1V 7200mAh New Laptop Battery for Lenovo IBM ThinkPad X200 X200s X201 X201i X201s, Compatible P/N: 42T4534 42T4535 42T4543 42T4650 42T4834 42T4835 Battery type: Li-ion ; Capacity: 7200mAh ; Voltage: 11.1V. Fit Machine Models Lenovo IBM ThinkPad X200 X200s X201 X201i X201s. Replacement for 42T4534 42T4535 42T4543 42T4650 42T4834 42T4835 43R9253 43R9254 43R9255 42T4537 42T4541 42T4536 42T4538 42T4540 42T4542 42T4649 Grade A cell ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and reliability. Exchange/Refund Policy: Free exchange/refund within 12 months. You can keep the order before we resend a new one and we will email a prepaid return label to help you return the order.