LCD Digital Battery Voltmeter Capacity Indicator 8-30V DC

A02F-DC LCD Digital Battery Voltmeter & Capacity Indicator

Keep a precise eye on your battery's voltage and remaining capacity with the A02F-DC 8-30V LCD Digital Battery Voltmeter & Capacity Indicator. Compact, easy to read, and compatible with a wide range of DC battery types, this versatile meter is the ideal tool for home workshops, RVs, solar setups, boats, and automotive projects.

Key Features

• Wide Voltage Range: Measures DC 8V–30V, covering 12V and 24V systems with ease.
• Clear LCD Display: Bright, easy-to-read screen shows voltage and battery capacity percentage at a glance.
• Power Failure Memory: Retains battery type settings even after power is disconnected — no need to reconfigure.
• Multi-Battery Compatibility: Supports ternary lithium batteries (L03S–L07S) and acid/lead-acid batteries (DC12V, DC24V).
• Type-C Output: Built-in USB Type-C output port for convenient device charging directly from your battery.
• Compact Form Factor: Slim 58.5 × 36.5 mm appearance size fits neatly in panels, dashboards, or enclosures.
• Available in 2 Colors: Choose the finish that best matches your setup.
• Durable Plastic Housing: Lightweight yet sturdy construction for long-lasting everyday use.

Specifications

• Model: A02F-DC
• Input Voltage Range: DC 8V – 30V
• Appearance Size: 58.5 × 36.5 mm
• Display: LCD
• Battery Types Supported: Ternary Lithium (L03S–L07S), Lead-Acid (DC12V, DC24V)
• Output: USB Type-C
• Housing Material: Plastic
• Color Options: 2 available

Ideal Uses

• Solar power storage monitoring
• RV, marine, and boat battery management
• Automotive and motorcycle battery checks
• Home DIY electrical projects
• Off-grid and backup power systems

For more information on safe electrical measurement practices, visit the OSHA Electrical Safety Resource.

Frequently Asked Questions

Q: What types of batteries is the A02F-DC LCD Digital Battery Voltmeter compatible with?

A: The A02F-DC supports ternary lithium batteries (L03S through L07S) and lead-acid/acid batteries at DC12V and DC24V. Its power failure memory feature means your battery type selection is retained even when the device loses power, so you won't need to reconfigure it every time.

Q: What is the voltage measurement range of this digital voltmeter?

A: This voltmeter measures DC voltages from 8V to 30V, making it suitable for a broad range of 12V and 24V battery systems used in automotive, RV, solar, marine, and home energy storage applications.

Q: Does the A02F-DC have a USB charging output?

A: Yes — the A02F-DC features a built-in USB Type-C output port, allowing you to charge compatible devices directly from your battery while simultaneously monitoring voltage and remaining capacity on the LCD screen.

Q: How large is the A02F-DC and how is it installed?

A: The unit has a compact appearance size of 58.5 × 36.5 mm, making it easy to mount in dashboards, control panels, enclosures, or DIY project boxes. Its lightweight plastic housing keeps the overall installation tidy and unobtrusive.