Synergy Digital Laptop Battery, Compatible with HP Spectre X360 15-CH011NR Laptop, (Li-Pol, 11.55V, 7150mAh), Replacement for HP 928372-856, 928427-271, 928427-272, HSTNN-DB8H Battery - Walmart.com
HP Spectre x360 Convertible PC 13 Battery - Laptop Batteries
HP Spectre X360 15 (2017) New Replacement Battery AVAILABLE! - YouTube