... current date, time/ current total, sharp, peak load, day hour, low load energy, etc. LCD display recycled. After energy meter ... current total, sharp, peak load, day hour, low load , operating period of time(peak load, day hour, low load) etc. will display recycled ... ≤1.0s/d (when the backup lithium battery working)Battery Capacity≥1000mAhBackup Battery Voltage3.0 or 3.6VDCData Preservation Time≥ ...