The recharging device if provided shall provide the rated charge performance specified by the battery manufacturer to charge the battery within 24 h over the rated ambient temperature range and when operating at voltages within the range of 0 . 9times the rated operating voltage ( range ) and 1 . 06times the rated operating voltage ( range ) 当工作在电压为额定电源电压的0 . 9倍到1 . 06倍范围内，在超过额定环境温度范围时电池充电器应能达到由电池生产厂家规定的对电池24小时充电的规定的电性能。
