Hydraulic pump-driven HD scissor lifts equipped with li-ion battery increases battery life by 30% comparing to that of lead acid battery. Maintenance-free li-ion battery has 3 times longer lift than lead acid battery. Promise 5 years warranty and 100% recyclability. Battery lift time remains in ultimate weather condition even under the severe cold conditions of -20 °C (－4℉). Effective charging and longer runtime provides reliable and stable operation, and helps the rental compay for refined management, cost decreasing and benefit increasing.