This battery monitor also supports custom mode in range of DC 7-100V.
2PCS Battery Capacity Voltage Meter, 12V 24V 48V 60V 84V IP68 Waterproof 2P
2PCS Battery Capacity Voltage Meter Alarm, 12V 24V 36V 48V 72V Color: White
UMLIFE 2PCS DC 12V 24V 36V 48V 72V Battery Capacity Voltage Meter with Green
2PCS Battery Capacity and Voltage Indicator Alarm 12V 24V 36V 48V 72V Batteries
