The HLM hermetically sealed Li-ion cylindrical battery features high energy density: 30-120 Wh/kg, cycle times ≥10000, operating temperature range: -40℃ - 85℃, and a self-discharge rate of ≤3% per year at room temperature. It is perfect for applications such as eCall vehicle emergency systems, call systems, TCU/T-Box, RFID, smart IoT sensors, consumer electronics, and electronic toys.