SKYVAST 11.1V 48Wh New Laptop Battery for Dell Inspiron 14V 14VR M4010 N4020 N4030 N4030D, Compatible P/N: TKV2V W4FYY X3X3X 0M4RNN FMHC10 Type: Li-ion ; Capacity: 48Wh ; Voltage: 11.1V ; Cells: 6-cell. Laptop battery replacement for Dell Inspiron 14V 14VR M4010 N4020 N4030 N4030D. Compatible P/N: W4FYY X3X3X 0M4RNN FMHC10 TKV2V 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.