{"product_id":"oled-digital-voltmeter-dc-0-30v-battery-level-tester-1-6s","title":"OLED Digital Voltmeter DC 0-30V | 1-6S Battery Level Tester","description":"\n\u003ch2\u003eOLED Digital Voltmeter \u0026amp; Battery Level Tester — 0.5\" Display, DC 0–30V, 1–6S Lithium\u003c\/h2\u003e\n\u003cp\u003eMonitor your lithium battery voltage and remaining capacity at a glance with this compact \u003cstrong\u003e0.5-inch OLED Digital Voltmeter\u003c\/strong\u003e. Designed for DIY electronics enthusiasts and makers, this mini battery meter supports \u003cstrong\u003e1–6S lithium battery packs\u003c\/strong\u003e and a wide operating range of \u003cstrong\u003e4.5–30V DC\u003c\/strong\u003e, making it one of the most versatile and plug-and-play-ready testers on the market.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Definition OLED Display:\u003c\/strong\u003e The 0.5-inch OLED panel with high-contrast technology delivers sharp, glare-free voltage and battery capacity readings in both bright and dim conditions — no squinting required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Compact, Space-Saving Design:\u003c\/strong\u003e Built with high-strength engineering plastic in a mini ultra-thin form factor, this tester fits easily into small DIY builds and compact equipment enclosures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Real-Time Monitoring:\u003c\/strong\u003e A built-in high-precision detection chip displays live voltage and remaining battery capacity simultaneously — no extra testing tools needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility (1–6S \/ 4.5–30V):\u003c\/strong\u003e High-tolerance components and a voltage-stabilized circuit make this meter compatible with most lithium battery packs, from single-cell (1S) to 6-cell (6S) configurations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Plug-and-Play Installation:\u003c\/strong\u003e Pre-welded PVC-insulated copper core wires and mounting holes mean even DIY beginners can complete setup in minutes — no soldering required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5-inch OLED Panel\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 0–30V (Operating: 4.5–30V)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1–6S Lithium Battery Packs\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-strength engineering plastic, OLED display, copper core wire\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 piece\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× OLED Digital Voltmeter \/ Battery Level Tester (pre-wired)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProduct photos are for illustration only; refer to the specification table for exact dimensions.\u003c\/li\u003e\n  \u003cli\u003eSlight color variation may occur due to monitor settings.\u003c\/li\u003e\n  \u003cli\u003eAllow minor tolerances due to manual measurement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou Might Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-large-capacity-battery-storage-organizer-box-batteries-not-included-vintage-beer-crate-appearance-holds-30-aaa-batteries\"\u003e1PC Large Capacity Battery Storage Organizer Box – Holds 30 AAA Batteries\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC High Grade Silicon Grease Lubricant for O-Rings \u0026amp; Connectors\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-mobile-data-cable-storage-box-portable-winding-earphone-charger-storage-box-with-lid-drawer-organizer-box\"\u003e1PC Mobile Data Cable Storage Box – Portable Organizer with Lid\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What battery types are compatible with this OLED voltmeter?\u003c\/h4\u003e\n\u003cp\u003eA: This digital voltmeter is compatible with 1S to 6S lithium battery packs operating within the 4.5V to 30V DC range. This covers the vast majority of lithium-ion and lithium polymer (LiPo) battery packs commonly used in DIY electronics, RC vehicles, power tools, and portable power stations.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this voltmeter require any soldering or special tools to install?\u003c\/h4\u003e\n\u003cp\u003eA: No soldering is required. The unit comes with pre-welded PVC-insulated copper core wires and includes mounting holes for easy panel installation. It is designed as a plug-and-play device, making it accessible to both beginners and experienced makers.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I read the OLED display in bright sunlight or low-light environments?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The 0.5-inch OLED panel uses high-contrast display technology that produces clear, non-glare readings in a wide range of lighting conditions — from bright outdoor light to dimly lit workspaces.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this tester display both voltage and remaining battery capacity at the same time?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The built-in high-precision detection chip enables simultaneous real-time display of both voltage level and remaining battery capacity, so you always have a full picture of your battery's status without needing any secondary tools.\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 are compatible with this OLED voltmeter?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This digital voltmeter is compatible with 1S to 6S lithium battery packs operating within the 4.5V to 30V DC range. This covers the vast majority of lithium-ion and lithium polymer (LiPo) battery packs commonly used in DIY electronics, RC vehicles, power tools, and portable power stations.\"}}, {\"@type\": \"Question\", \"name\": \"Does this voltmeter require any soldering or special tools to install?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No soldering is required. 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