{"product_id":"dc-7-30v-waterproof-digital-voltmeter-battery-level-indicator","title":"DC 7–30V Waterproof Digital Voltmeter \u0026 Battery Indicator","description":"\n\u003ch2\u003eGaqqee DC 7–30V Waterproof Digital Voltmeter \u0026amp; Battery Level Indicator\u003c\/h2\u003e\n\u003cp\u003eKeep a precise eye on your battery's voltage and charge status with the \u003cstrong\u003eGaqqee DC 7–30V Waterproof Digital Voltmeter\u003c\/strong\u003e. Compact, rugged, and CE\/RoHS certified, this high-precision LED meter is engineered for electric vehicles, distribution cabinets, DIY electronics, and assembly-line testing — anywhere reliable voltage monitoring matters.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Range:\u003c\/strong\u003e Accurately measures DC 7–30V with a resolution of 0.1V and a reading speed of approximately 2 seconds per cycle.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Battery Compatibility:\u003c\/strong\u003e Supports ternary lithium (L03S–L07S), lithium iron phosphate (F03S–F08S), and lead-acid (12V\/24V) batteries — covers virtually every common battery type.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Display Modes:\u003c\/strong\u003e Double-click the switch to toggle between real-time \u003cem\u003evoltage\u003c\/em\u003e and \u003cem\u003epercentage\u003c\/em\u003e display — instantly see how much charge remains.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow-Voltage Alert:\u003c\/strong\u003e The display flashes a clear warning when the battery charge drops too low, giving you advance notice before power runs out.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower-Off Memory:\u003c\/strong\u003e Automatically saves current data even during an unexpected power cut so you never lose your settings or readings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReverse Polarity Protection:\u003c\/strong\u003e Built-in protection circuit prevents equipment damage from accidental incorrect wiring.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWaterproof \u0026amp; Durable:\u003c\/strong\u003e Compact 36.9 × 36.9 × 22 mm body with a waterproof cap — suitable for outdoor and workshop environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Controls:\u003c\/strong\u003e Brief press = on\/off; hold = enter settings mode; double-click = toggle voltage\/percentage display.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE \u0026amp; RoHS Certified:\u003c\/strong\u003e Meets international safety and environmental standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 7–30V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤20mA\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLED (Digital)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasurement Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~2 seconds per reading\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~25 cm (red = positive, black = negative)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e36.9 × 36.9 × 22 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDefault Setting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTernary 3S voltage (L03) on first power-up\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eBattery Type Settings\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTernary Lithium [L]:\u003c\/strong\u003e L03S to L07S\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLithium Iron Phosphate [F]:\u003c\/strong\u003e F03S to F08S\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLead-Acid [P]:\u003c\/strong\u003e 12V \/ 24V\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBattery Level Indicator × 1\u003c\/li\u003e\n  \u003cli\u003eNut × 1\u003c\/li\u003e\n  \u003cli\u003eWaterproof Cap × 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cp\u003eElectric vehicles, e-bikes, solar storage systems, high\/low voltage distribution cabinets, DIY battery packs, electronics repair benches, and assembly-line quality testing.\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/bu-29mm-sinking-minnow-jerkbait-fishing-lure-bass-trout-pike\"\u003eB\u0026amp;U 29mm Sinking Minnow Jerkbait Lure – Bass Trout Pike\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What battery types does this digital voltmeter support?\u003c\/h4\u003e\n\u003cp\u003eA: The Gaqqee DC 7–30V voltmeter supports three common battery chemistries: ternary lithium (3S–7S), lithium iron phosphate (3S–8S), and lead-acid (12V and 24V). You can select the correct battery type through the settings mode by pressing and holding the switch.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I switch between voltage and percentage display?\u003c\/h4\u003e\n\u003cp\u003eA: Simply double-click the switch button to toggle between the real-time voltage readout and the battery charge percentage display. This makes it easy to check either the exact voltage level or a quick at-a-glance charge status.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this voltmeter safe to use outdoors or in wet environments?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The unit includes a waterproof cap and is designed to withstand exposure to moisture, making it suitable for outdoor installations, electric vehicles, and workshop environments. It is CE and RoHS certified for added confidence.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What happens if I accidentally connect the wires with the wrong polarity?\u003c\/h4\u003e\n\u003cp\u003eA: The built-in reverse polarity protection circuit automatically safeguards both the meter and your equipment from damage caused by incorrect wiring connections, giving you peace of mind during installation.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What battery types does this digital voltmeter support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The Gaqqee DC 7–30V voltmeter supports three common battery chemistries: ternary lithium (3S–7S), lithium iron phosphate (3S–8S), and lead-acid (12V and 24V). You can select the correct battery type through the settings mode by pressing and holding the switch.\"}}, {\"@type\": \"Question\", \"name\": \"How do I switch between voltage and percentage display?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Simply double-click the switch button to toggle between the real-time voltage readout and the battery charge percentage display. This makes it easy to check either the exact voltage level or a quick at-a-glance charge status.\"}}, {\"@type\": \"Question\", \"name\": \"Is this voltmeter safe to use outdoors or in wet environments?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The unit includes a waterproof cap and is designed to withstand exposure to moisture, making it suitable for outdoor installations, electric vehicles, and workshop environments. It is CE and RoHS certified for added confidence.\"}}, {\"@type\": \"Question\", \"name\": \"What happens if I accidentally connect the wires with the wrong polarity?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The built-in reverse polarity protection circuit automatically safeguards both the meter and your equipment from damage caused by incorrect wiring connections, giving you peace of mind during installation.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"DC 7–30V Waterproof Digital Voltmeter \u0026 Battery Indicator\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/products\/dc-7-30v-waterproof-digital-voltmeter-battery-level-indicator\"}]}\u003c\/script\u003e","brand":"P3","offers":[{"title":"USB Port","offer_id":67615080677745,"sku":"1005012135457706-USB Port","price":22.71,"currency_code":"USD","in_stock":true},{"title":"USB and Type-C Ports","offer_id":67615080710513,"sku":"1005012135457706-USB and Type-C Ports","price":24.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1046\/3431\/9217\/files\/S7ee374a9d4db4eaba6335d068dc6f64e6.webp?v=1790865571","url":"https:\/\/p3shopmart.com\/products\/dc-7-30v-waterproof-digital-voltmeter-battery-level-indicator","provider":"P3","version":"1.0","type":"link"}