Battery for laptop LENOVO LEGION Y740-15 / L17C3PG2 short cable 11.55V / 11.52V 57Wh / 4965mAh
Lenovo Legion Y740 Gaming Laptop Deep Dive Review With Benchmarks - Page 7 | HotHardware
Legion Y740, 4 to 5 hours battery life under use. After updating bios, enabling hybrid graphics mode, undervolting cpu by 155 mV and setting screen brightness to 50%. : r/Lenovo