先控20KVA中的报警信息low battery charge or close

先控20KVA中的报警信息low battery charge or close Battery voitage is too LOW!Please change battery or waiting the battery is too low charge for a while before low battery 我的G18刷PG58IMG时显示battery voltage is too low!please charge a b battery charge是什么意思 charge battery是什么意思 smart.key.battery.low. Battery-Low Detector是什么意思 Battery Low Cannot Program 英文"Low Battery! “Low battery”是什么意思啊?