{"product_id":"a02f-bluetooth-hall-coulomb-meter-color-screen-battery-monitor","title":"A02F Bluetooth Coulomb Meter – Color Screen Battery Monitor","description":"\u003cp\u003eStay in full control of your battery system with the \u003cstrong\u003eA02F Bluetooth Hall Coulomb Meter\u003c\/strong\u003e. Featuring a vibrant color screen and wireless Bluetooth connectivity, this advanced battery power monitor gives you real-time visibility into voltage, current, power, and remaining battery capacity — all from a single, easy-to-read display. Ideal for electric vehicles, RVs, solar setups, and marine applications.\u003c\/p\u003e\n\n\u003cp\u003eBuilt from durable metal and plastic construction, the A02F is engineered to withstand the demands of daily use. Its integrated Hall sensor ensures accurate, non-invasive current measurement, while the smart alarm system keeps you informed with low voltage, high voltage, overcurrent, and low capacity alerts.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor Screen Display\u003c\/strong\u003e – Clear, vibrant readout for voltage, current, power, capacity, and more at a glance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth Connectivity\u003c\/strong\u003e – Pair with your smartphone for remote monitoring and data logging\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHall Sensor Technology\u003c\/strong\u003e – Accurate, non-contact current measurement up to 400A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmart Alarm System\u003c\/strong\u003e – Configurable low voltage, high voltage, overcurrent, and low capacity alerts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility\u003c\/strong\u003e – Suitable for electric vehicles, RVs, boats, solar battery banks, and more\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction\u003c\/strong\u003e – Metal and plastic housing built for long-term reliability\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Installation\u003c\/strong\u003e – Designed to slot into your existing battery monitoring setup with minimal hassle\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e A02F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e Color Screen\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnectivity:\u003c\/strong\u003e Bluetooth\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Hall Effect\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax Current:\u003c\/strong\u003e 400A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Metal + Plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAlarms:\u003c\/strong\u003e Low voltage, high voltage, overcurrent, low capacity\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Qme\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho Is It For?\u003c\/h2\u003e\n\u003cp\u003eWhether you're managing the battery health of an electric car, a recreational vehicle, a solar power installation, or a boat, the A02F gives you the precise data you need to make informed decisions and prevent unexpected power issues. A great choice for both DIY enthusiasts and professional installers.\u003c\/p\u003e\n\n\u003ch2\u003eLearn More\u003c\/h2\u003e\n\u003cp\u003eFor guidance on automotive electrical safety and best practices, visit the U.S. Consumer Product Safety Commission (CPSC).\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does the A02F Bluetooth Coulomb Meter measure?\u003c\/h4\u003e\n\u003cp\u003eA: The A02F monitors key battery parameters including voltage, current, power output, and remaining capacity in real time. It displays all readings on a clear color screen and can transmit data wirelessly to your smartphone via Bluetooth, making it a comprehensive battery management solution for electric vehicles, RVs, solar systems, and more.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How does the Hall sensor work in this battery monitor?\u003c\/h4\u003e\n\u003cp\u003eA: The Hall Effect sensor measures current passing through a conductor without direct electrical contact. This non-invasive approach provides accurate readings up to 400A while minimizing installation complexity and reducing wear. It's a reliable technology widely used in professional-grade battery monitoring equipment.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What alarm functions does the A02F Coulomb Meter offer?\u003c\/h4\u003e\n\u003cp\u003eA: The A02F features four configurable alarm modes: low voltage alarm, high voltage alarm, overcurrent alarm, and low capacity alarm. These alerts help you stay ahead of potential battery issues, giving you timely notifications so you can take action before any disruption occurs.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the A02F compatible with my vehicle or solar setup?\u003c\/h4\u003e\n\u003cp\u003eA: The A02F is designed for broad compatibility, supporting electric vehicles, RVs, marine vessels, and solar battery banks. As long as your system operates within the meter's voltage and current specifications, it can be integrated with ease. Refer to the product documentation for full voltage and current range details.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does the A02F Bluetooth Coulomb Meter measure?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The A02F monitors key battery parameters including voltage, current, power output, and remaining capacity in real time. It displays all readings on a clear color screen and can transmit data wirelessly to your smartphone via Bluetooth, making it a comprehensive battery management solution for electric vehicles, RVs, solar systems, and more.\"}}, {\"@type\": \"Question\", \"name\": \"How does the Hall sensor work in this battery monitor?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The Hall Effect sensor measures current passing through a conductor without direct electrical contact. 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