5pcs 7.4V Li-po Battery Indicator Display Board Power Storage Monitor

Description: Item name:Li-po Battery Indicator Operating voltage : 12V Power display:As the picture show Type: 7.4V Applicable :12V NiMH /Polymer lithium battery/Electric car battery/other Electric equipment Instructions: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 : 5 x 2S Battery Indicator