Add DC voltage options and USB/Battery to voltage list

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/lib/constants.ts

@@ -49,7 +49,12 @@ export const DEVICE_LOG_TYPES = [
 
 export type DeviceLogType = (typeof DEVICE_LOG_TYPES)[number];
 
-export const VOLTAGE_OPTIONS = ['110V', '115V', '120V', '127V', '220V', '230V', '240V', 'DC powered'] as const;
+export const VOLTAGE_OPTIONS = [
+	'110V AC', '115V AC', '120V AC', '127V AC', '220V AC', '230V AC', '240V AC',
+	'5V DC', '6V DC', '9V DC', '12V DC', '15V DC', '19V DC', '24V DC',
+	'USB powered',
+	'Battery'
+] as const;
 
 export const FREQUENCY_OPTIONS = ['50Hz', '60Hz', '50/60Hz'] as const;