ANTIEE Compatible NP03XL Laptop Battery for HP Pavilion X360 13 Envy 15 Series 13-A010DX 760944-421 TPN-Q146 HSTNN-LB6L TPN-Q147 TPN-Q148 TPN-Q149 15-U010DX 761230-005 15-U050CA 13-B116T ANTIEE Promise: Each products has undergone rigorous testing to ensure the correct voltage, circuit protection, capacity, stable current, low self-discharge and guaranteed battery life. Specification: Voltage: 11.4V. Capacity: 43Wh. Battery Type: li-ion polymer. Condition: Brand New. Fully compatible with the originals and more than 500 recharge cycles over the life. Fit for HP Envy 15 Pavilion X360 13 Series: 13-A010DX, 13-B116T, 15-U010DX, 15-U050CA. Compatible P/N: NP03XL, 760944-421, HSTNN-LB6L, TPN-Q146, TPN-Q147, TPN-Q149, TPN-Q148, 761230-005. Expected Run Time: 2.5-5 hours. It depends on the device type, electricity and the way it is used. Grade A cells and PCB ensure fast charges, low power consumption and stable performance. Guarantee Return Policy: Repair or replace during the first year. If for whatever reason you are not fully satisfied, please feel free to contact us directly and we'll take actions actively to resolve.