Amazon.co.jp: Power-connoisseur Lenovo Compatible Legion Y520 15IKBN 4,000 mAh 11.1 V High Performance Compatible Battery, PC, High Capacity Laptop Battery, PSE Certified : Computers
New Genuine L14M3P24 L14S3P24 Battery for Lenovo Legion Y520-15IKBA Y520-15IKBM | eBay