... valley/low load 4 rates 10 period of time, from small to large array. The minimum period of time interval is ... total, sharp, peak load, day hour, low load energy, etc. LCD display recycled. After energy meter connect electricity, date, time, current ... Battery Voltage3.0 or 3.6VDCData Preservation Time≥10yearsPower Consumption(LCD)Voltage circuit consumption: ≤1.0W 6VACurrent circuit consumption: ≤1VA( ...