3 7V 7 4V 11 1V 14 8V Li po Battery Indicator Display Board Power Storage MonitorDescription Item name Li po Battery IndicatorOperating voltage 6 12 24 36 48VPower display As the picture showType 3 7V 7 4V 11 1V 14 8V optional Applicable 6 12 24 36 48VNiMH Polymer lithium battery Electric car battery other Electric equipmentInstructions Connect the positive and negative terminals of the display board to the positive and negative terminals of the battery Digital tube will show real time battery power Displays the battery power parameters N is the quantity of battery cells Battery voltage is more than NX3 3V 1 unit power will be bright Battery voltage is more than NX3 5V 2 unit power will be bright Battery voltage is more than NX3 7V 3 unit power will be bright Battery voltage is more than NX3 9V 4 unit power will be bright Features High reliability low cost and compact size LED Flash for low charge warning Memory option to recall quantity of electricity Specifically designed to monitor the power level of battery while charging or discharging Provides instant battery status to permit effective management of the charging Display of 4 segment LED bar graph Easy to install and operate Package includes 1 x Battery Indicator