理士蓄电池外部环境如果低于0℃以下，会影响充电系统对理士电池组的充电速度明显变慢，这就要求使用方充电时比平时充电时间要适当延长，或者对电池提前加热到0℃以上再对理士蓄电池充电速度会明显变快！并且理士蓄电池不能100%的完全放电，厂家要求客户注重冬季的理士蓄电池维护保养。

If the external environment of rishi battery is lower than 0℃, it will affect the charging system to charge the rishi battery pack significantly slower, which requires the user to charge the time to be extended than usual, or to advance the battery heating to 0℃ above the rishi battery charging speed will be significantly faster!And rishi battery can not 100% of the complete discharge, the manufacturer asked the customer to pay attention to the winter rishi battery maintenance.