4s 14.4V lithium battery meter with LED scale in panel version. A simple gauge for use in multiple projects. Battery status is displayed by an LED scale. Each of the LEDs is assigned a percentage level of charge. The tester shows the charge level with the ON / OFF button pressed. Technical data The LEDs are lit when powered: Diode 1 - 9V Diode 2 - 10.7V Diode 3 - 11.8V Diode 4 - 13.3V Diode 5 - 14.1V Panel dimensions 63x16x3mm https://elecena.pl/product/22621290/14-4v-battery-meter-voltage-measurement-control-panel-led-scale 2023-02-23 https://elecena.pl/product/22621290/14-4v-battery-meter-voltage-measurement-control-panel-led-scale 2025-10-29