When the electric quantity is less than 20%, the backlight will flash to alarm. Compatible Battery: Lead-acid battery, lithium battery, lithium iron battery (can be set up by yourself). Light Color: Blue, White, Green (optional).
VooGenzek Battery Capacity Voltmeter Meter Monitor, Lead-acid Lithium Li-ion Battery Capacity Meter Voltage Tester, LCD Display DC 12V 24V 36V 48V Battery Meter (Blue Light)
VooGenzek Battery Capacity Voltmeter Meter Monitor, Lead-acid Lithium Li-ion Battery Capacity Meter Voltage Tester, LCD Display DC 12V 24V 36V 48V 60V 72V Battery Meter, Blue Light
Intckwan DC 12V 24V LED Digital Voltmeter Waterproof Voltage Meter Battery Tester for Car Boat Marine Vehicle Motorcycle Truck Camper ATV with Blue Light Digital Screen Touch Display Panel
VooGenzek Battery Capacity Voltmeter Meter Monitor, Lead-acid Lithium Li-ion Battery Capacity Meter Voltage Tester, LCD Display DC 12V 24V 36V 48V 60V 72V Battery Meter (Blue Light)
VooGenzek Battery Capacity Voltmeter Meter Monitor, Lead-acid Lithium Li-ion Battery Capacity Meter Voltage Tester, LCD Display DC 12V 24V 36V 48V Battery Meter, Blue Light
(Blue Light) Battery Meter Digital Battery Capacity Voltage Meter With
