FamilyMall Digital Car Voltmeter 12V ~ 24V – LED Display Battery Voltage Tester, Plug into Cigarette Lighter Socket, Portable Auto Battery Monitor for Cars, Trucks & SUVs

• 【Easy Plug & Play Design】Simply plug this digital car voltmeter into the cigarette lighter socket for an instant reading of your vehicle’s battery voltage.
• 【12V & 24V Compatibility】Works with both 12V cars and 24V trucks/SUVs, making it a versatile battery voltage tester for multiple vehicles.
• 【Bright LED Digital Display】Features a clear, high-visibility LED screen that allows easy reading of your car battery status, even in daylight.
• 【Real-Time Battery Monitoring】Continuously monitor your car battery health to prevent unexpected breakdowns and protect your engine and electronics.
• 【Compact & Portable】This small car battery monitor fits in your pocket and is always ready for quick voltage checks—no need to open the hood.

Keep track of your vehicle’s battery condition with this Digital Car Voltmeter 12V/24V. Unlike traditional methods that require opening the hood, this device simply plugs into the cigarette lighter socket, giving you an instant and accurate voltage reading. The bright LED digital display makes it easy to check your battery status at a glance, whether during the day or at night. Compatible with both 12V cars and 24V trucks/SUVs, this car battery voltage tester ensures you always know when your battery has sufficient charge. Perfect for daily drivers, truck owners, and DIY enthusiasts, this portable auto battery monitor provides real-time voltage monitoring to help protect your battery and engine from unexpected failures. Compact, reliable, and easy to carry, it’s the essential tool for battery health check-ups. Product Details: Digital display for showing the car power bright LED light, makes them easy to read Power Supply via cigarette lighter Städige Monitoring the battery voltage, Grow and protects battery and motor Which batteries is securely: Will when the engine tarnish (not driving), the LED display: Between 13.5 to 14.5 (12 V car) Between 26.0 to 28.0 (24 V car) When the engine is Stoppet and nothing, the LED indicators: Greater than 12.0 (12 V car) or 24.0 (24 V car) Box Contents: 1 x LED Digital Voltmeter Voltage Messe