Skyvast 14.4V 2200mAh New Laptop Battery for Lenovo IdeaPad Flex 14 14M 15 15M S500 Touch, Compatible P/N: L12L4A01 L12L4K51 L12M4A01 L12M4E51 L12M4K51 L12S4A01 L12S4E51 L12S4F01 L12S4K51 Battery type: Li-ion ; Capacity: 2200mAh / 33Wh ; Voltage: 14.4V. Fit Machine Models Lenovo IdeaPad Flex 14 14M 15 15M S500 Touch. Replacement for L12L4A01 L12L4K51 L12M4A01 L12M4E51 L12M4K51 L12S4A01 L12S4E51 L12S4F01 L12S4K51. 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.