{"product_id":"rc3563-a02f-5x-battery-voltage-internal-resistance-tester","title":"RC3563 A02F-5X Battery Voltage \u0026 Internal Resistance Tester","description":"\n\u003ch2\u003eRC3563 Battery Voltage \u0026amp; Internal Resistance Tester (A02F-5X)\u003c\/h2\u003e\n\u003cp\u003eMeet the \u003cstrong\u003eA02F-5X RC3563 Battery Voltage \u0026amp; Internal Resistance Tester\u003c\/strong\u003e — a precision-engineered handheld instrument designed for hobbyists, RC enthusiasts, technicians, and anyone who wants accurate, at-a-glance readings on their batteries and resistors. Featuring intelligent control circuitry and a built-in Kalman filter mathematical algorithm, this tester delivers fast, reliable measurements with impressive accuracy in a compact, lightweight form.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Measurement Capability:\u003c\/strong\u003e Simultaneously measures battery voltage and internal resistance, giving you a complete picture of battery health and performance in seconds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKalman Filter Algorithm:\u003c\/strong\u003e Advanced mathematical filtering ensures stable, high-precision readings — even in noisy electrical environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Battery Compatibility:\u003c\/strong\u003e Works with lithium-ion (18650 and other formats), lithium iron phosphate (LiFePO₄), and a broad range of rechargeable battery chemistries.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAC Resistance Measurement:\u003c\/strong\u003e Also measures the AC resistance of resistors and low-resistance components with high-precision accuracy — versatile beyond battery testing alone.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClear LCD Display:\u003c\/strong\u003e Backlit LCD screen displays readings clearly, making it easy to read results at a glance in various lighting conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLightweight \u0026amp; Portable:\u003c\/strong\u003e At just 171 × 80 × 29 mm (6.73 × 3.15 × 1.14 in), this tester slips easily into a toolkit, bag, or drawer — always ready when you need it.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnergy Efficient Design:\u003c\/strong\u003e Intelligent power management keeps battery consumption low, extending the life of the tester's own power source.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Housed in a sturdy plastic enclosure built to withstand regular workshop or field use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e A02F-5X \/ RC3563\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 171 × 80 × 29 mm \/ 6.73 × 3.15 × 1.14 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e LCD with backlight\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMeasurement:\u003c\/strong\u003e Voltage, Internal Resistance, AC Resistance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAlgorithm:\u003c\/strong\u003e Kalman Filter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHousing Material:\u003c\/strong\u003e Durable plastic\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eWhether you're an RC vehicle enthusiast sorting through battery packs, a DIY electronics maker, a solar storage system builder, or a professional technician maintaining battery banks, the RC3563 A02F-5X gives you the precise data you need to make informed decisions about your batteries.\u003c\/p\u003e\n\n\u003ch3\u003eLearn More About Battery Safety\u003c\/h3\u003e\n\u003cp\u003eFor guidelines on safe battery storage, handling, and disposal, visit the U.S. Consumer Product Safety Commission – Battery Safety resource center.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What types of batteries can the RC3563 A02F-5X tester measure?\u003c\/h4\u003e\n\u003cp\u003eA: The RC3563 A02F-5X battery tester is compatible with a wide range of rechargeable battery chemistries including lithium-ion (such as 18650 cells), lithium iron phosphate (LiFePO₄\/Trithium), and other common battery types. It measures both voltage and internal resistance simultaneously, making it ideal for sorting, grading, and evaluating battery condition.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this tester measure resistance in components other than batteries?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. In addition to battery voltage and internal resistance, the A02F-5X RC3563 can also measure the AC resistance of standard resistors and other low-resistance components with high precision — making it a versatile tool for electronics testing and diagnostics beyond battery applications alone.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What makes the Kalman filter algorithm important in this tester?\u003c\/h4\u003e\n\u003cp\u003eA: The Kalman filter is a sophisticated mathematical algorithm that continuously filters out measurement noise and stabilizes readings in real time. In practice, this means your voltage and internal resistance readings are more consistent and accurate compared to testers that rely on simpler averaging methods — especially important when evaluating battery packs where small differences in internal resistance indicate significant differences in battery quality.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What are the dimensions and portability of this tester?\u003c\/h4\u003e\n\u003cp\u003eA: The RC3563 A02F-5X measures 171 × 80 × 29 mm (approximately 6.73 × 3.15 × 1.14 inches), making it compact and lightweight enough to carry in a toolkit, backpack, or storage drawer. Its energy-efficient design also means it won't drain its own power source quickly during regular use.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What types of batteries can the RC3563 A02F-5X tester measure?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The RC3563 A02F-5X battery tester is compatible with a wide range of rechargeable battery chemistries including lithium-ion (such as 18650 cells), lithium iron phosphate (LiFePO₄\/Trithium), and other common battery types. It measures both voltage and internal resistance simultaneously, making it ideal for sorting, grading, and evaluating battery condition.\"}}, {\"@type\": \"Question\", \"name\": \"Can this tester measure resistance in components other than batteries?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. In addition to battery voltage and internal resistance, the A02F-5X RC3563 can also measure the AC resistance of standard resistors and other low-resistance components with high precision — making it a versatile tool for electronics testing and diagnostics beyond battery applications alone.\"}}, {\"@type\": \"Question\", \"name\": \"What makes the Kalman filter algorithm important in this tester?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The Kalman filter is a sophisticated mathematical algorithm that continuously filters out measurement noise and stabilizes readings in real time. In practice, this means your voltage and internal resistance readings are more consistent and accurate compared to testers that rely on simpler averaging methods — especially important when evaluating battery packs where small differences in internal resistance indicate significant differences in battery quality.\"}}, {\"@type\": \"Question\", \"name\": \"What are the dimensions and portability of this tester?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The RC3563 A02F-5X measures 171 × 80 × 29 mm (approximately 6.73 × 3.15 × 1.14 inches), making it compact and lightweight enough to carry in a toolkit, backpack, or storage drawer. Its energy-efficient design also means it won't drain its own power source quickly during regular use.\"}}]}\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:\/\/vpggdm-rp.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Tech, Tools \u0026 Auto\", \"item\": \"https:\/\/vpggdm-rp.myshopify.com\/collections\/tech-tools-auto\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"RC3563 A02F-5X Battery Voltage \u0026 Internal Resistance Tester\", \"item\": \"https:\/\/vpggdm-rp.myshopify.com\/products\/rc3563-a02f-5x-battery-voltage-internal-resistance-tester\"}]}\u003c\/script\u003e","brand":"Qme","offers":[{"title":"As Shown Type1","offer_id":49689329991894,"sku":"14:365462#As Shown Type1","price":376.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/5243\/8486\/files\/S1890fafc99cc44369a08c305267743218.webp?v=1785161492","url":"https:\/\/qmeboost.com\/products\/rc3563-a02f-5x-battery-voltage-internal-resistance-tester","provider":"Qme","version":"1.0","type":"link"}