0V to 15V, fixed
https://circuitdigest.com/electronic-circuits/lm3914-voltmeter-circuit
3 ranges: 0V to 1.2V, 0V to 12V, 0V to 120V
https://www.pinterest.com/pin/821273682030847291/
https://www.eleccircuit.com/the-led-display-voltmeter-in-probe-model/
Between 0V to 5.1 and 0V to 10.1V (variable)
https://www.electroschematics.com/robot-battery-meter/
3.7V Li-Ion Battery (Range=?)
https://www.circuits-diy.com/battery-level-indicator-using-lm3914/
10.5 V to 15 V, fixed
https://www.twovolt.com/2016/08/19/12v-lead-acid-battery-voltage-monitor-using-lm3914-bargraph-driver/
11.89V to 12.65V, fixed
http://www.reuk.co.uk/wordpress/electric-circuit/12-volt-battery-monitor-circuit-with-lm3914/
12V lead-acid batteries (Range=?)
https://www.circuits-diy.com/battery-monitor-circuit-with-lm3914-ic/
single lithium 1S (4.2V) ~ 4S (16.8V), lead acid 6V ~ 12V, NiMH 3.6V ~ 18V, nickel-cadmium batteries 3.6V ~
18V
https://www.amazon.com/LM3914-Battery-Indicator-Module-Tester/dp/B095WQFYGK