Basic functions including energy storage, a charging and power supply. With different designs, and the use of facilitated operation needs plus other functions such as security, display and battery state detection.
Basic functions include energy storage, charging and power supply. Additional features such as safety protection, battery condition detection and display are added to the needs of different designs, uses and ease of operation.
Basic functions include energy storage, charging and power supply. Other functions, such as safety protection, battery status detection and display, are added according to different design, use and convenient operation.<br>