{"product_id":"zb2l3-battery-capacity-tester-real-mah-test-for-li-ion-lifepo4-lead-acid","title":"ZB2L3 Battery Capacity Tester – Real mAh Test for Li-ion, LiFePO4, Lead-Acid","description":"\u003ch1\u003e🔋 XTAR ZB2L3 Battery Capacity Tester – Real mAh Test for Li-ion, LiFePO4, Lead-Acid\u003c\/h1\u003e\n\u003ch2\u003e📝 Description\u003c\/h2\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eTired of guessing your battery‘s remaining life? Say goodbye to capacity anxiety! 👋\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eThe \u003cstrong\u003eXTAR ZB2L3 Battery Capacity Tester\u003c\/strong\u003e is a professional-grade external load discharge battery capacity analyzer designed to measure the true mAh capacity of various rechargeable batteries. Unlike ordinary voltage testers that only give you surface-level information, the ZB2L3 uses a controlled discharge method to simulate real-world usage conditions, revealing the actual capacity hidden beneath the voltage readings. 💡\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eThis is the ultimate “battery lie detector” for anyone who relies on rechargeable batteries — whether you‘re a DIY electronics enthusiast, RC hobbyist, drone pilot, EV owner, or just someone who wants to know which of your old 18650 cells are still worth keeping. With its high-precision measurement capabilities and wide voltage range, the ZB2L3 empowers you to make informed decisions about battery replacement, recycling, and repurposing. 🛠️\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eThe tester operates by discharging a fully charged battery through an external load resistor while continuously monitoring voltage, current, and accumulated capacity in real time. When the battery reaches the preset termination voltage, the test automatically stops and displays the actual discharged capacity — no complex calculations needed. The results are displayed on a clear 4-digit LED digital display, showing capacity (Ah), discharge current (A), and battery voltage (V) in rotation. 📟\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eBest of all, the ZB2L3 is incredibly easy to use. Just connect your battery, attach the load resistor, power the device via micro USB, press the “OK” button — and let the tester do the rest. The automatic termination voltage detection feature makes testing even simpler, while manual override allows advanced users to fine-tune parameters for specialized applications. 🔧\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eWhether you’re testing brand-new batteries to verify manufacturer claims, evaluating aging cells for retirement, or matching cells for battery pack building, the XTAR ZB2L3 delivers accurate, repeatable results you can trust. Stop relying on guesswork — take control of your battery health today! 💪\u003c\/p\u003e\n\u003ch2\u003e⭐ Key Features\u003c\/h2\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\"\u003e\n\u003cdiv class=\"ds-scroll-area__gutters\"\u003e\n\u003cdiv class=\"ds-scroll-area__horizontal-gutter\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"ds-scroll-area__vertical-gutter\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e#\u003c\/th\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eBenefit\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003cbr\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1️⃣\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eExternal Load Discharge Design\u003c\/strong\u003e 🎯\u003c\/td\u003e\n\u003ctd\u003eSimulates real-world usage conditions for authentic capacity testing, not just voltage checking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2️⃣\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eWide Voltage Compatibility\u003c\/strong\u003e 🔋\u003c\/td\u003e\n\u003ctd\u003eSupports 1.00V – 15.00V batteries — covers single Li-ion cells (18650, 14500, 26650), LiFePO₄ (3.2V), 6V\/12V lead-acid batteries, and more\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3️⃣\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eUp to 3.000A Discharge Current\u003c\/strong\u003e ⚡\u003c\/td\u003e\n\u003ctd\u003eCapable of testing high-drain batteries suitable for power tools, drones, and e-bikes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4️⃣\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eHigh Measurement Accuracy\u003c\/strong\u003e 📊\u003c\/td\u003e\n\u003ctd\u003eVoltage error ≤ 1% + 0.02V, Current error ≤ 1.5% ± 0.008A — reliable data for critical decisions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5️⃣\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e9999Ah Max Capacity Range\u003c\/strong\u003e 📈\u003c\/td\u003e\n\u003ctd\u003eMassive capacity support (9,999 Ah = 9,999,000 mAh) — test everything from tiny 18650 cells to large deep-cycle batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6️⃣\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eAuto\/Manual Termination Voltage\u003c\/strong\u003e 🤖\u003c\/td\u003e\n\u003ctd\u003eAutomatically detects suitable cut-off voltage; manual adjustment available for advanced testing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7️⃣\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eReal-Time Data Display\u003c\/strong\u003e 🔄\u003c\/td\u003e\n\u003ctd\u003eLED digital display rotates through capacity (Ah), current (A), and voltage (V) during discharge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8️⃣\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eMicro USB Powered\u003c\/strong\u003e 🔌\u003c\/td\u003e\n\u003ctd\u003eSimple 5V power via standard micro USB — use any phone charger (standalone power source only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9️⃣\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eUltra-Low Operating Current\u003c\/strong\u003e 🔋\u003c\/td\u003e\n\u003ctd\u003eLess than 70mA power consumption — won‘t drain your test battery during setup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e🔟\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eCompact \u0026amp; Portable\u003c\/strong\u003e 📦\u003c\/td\u003e\n\u003ctd\u003eBoard size only 50mm × 37mm — fits easily in your toolbox or project bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1️⃣1️⃣\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eError Code Diagnosis\u003c\/strong\u003e ⚠️\u003c\/td\u003e\n\u003ctd\u003eBuilt-in error codes (Err1–Err4) help quickly identify connection or battery issues\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1️⃣2️⃣\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eXTAR Quality Assurance\u003c\/strong\u003e 🏭\u003c\/td\u003e\n\u003ctd\u003eBacked by XTAR, a trusted brand in battery charging technology since 2007, serving 120+ countries worldwide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cbr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003e📊 Parameters\u003c\/h2\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\"\u003e\n\u003cdiv class=\"ds-scroll-area__gutters\"\u003e\n\u003cdiv class=\"ds-scroll-area__horizontal-gutter\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"ds-scroll-area__vertical-gutter\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003cbr\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eXTAR ZB2L3 (HW-586 \/ V3.0)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExternal Load Discharge Battery Capacity Tester\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 4.5V – 6V (micro USB)\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≤ 70mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDischarge Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.00V – 15.00V (Resolution: 0.01V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported Battery Types\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLi-ion (3.6V\/3.7V), LiFePO₄ (3.2V), Lead-Acid (6V\/12V), Ni-MH, Ni-Cd\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTermination Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5V – 11.0V (Resolution: 0.1V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Discharge Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.000A (Resolution: 0.001A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Capacity Measurement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9999Ah (9,999,000 mAh)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Measurement Error\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 1% + 0.02V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Measurement Error\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 1.5% ± 0.008A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4-digit LED Digital Display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBoard Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50mm × 37mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinished Product Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50mm × 37mm × 17mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight (bare board)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 28g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Includes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 × ZB2L3 Tester Module + Load Resistors (varies by option)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cbr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cblockquote\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e⚠️ \u003cstrong\u003eNote:\u003c\/strong\u003e The ZB2L3 itself does NOT discharge — an external load resistor is required for operation. The tester simply monitors and controls the discharge process. During testing, the load resistor will become extremely hot. Always mount high-wattage resistors (e.g., 50W aluminum shell) on a metal plate for heat dissipation. 🔥\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch2\u003e🎯 Applications\u003c\/h2\u003e\n\u003ch3\u003e🔬 DIY Electronics \u0026amp; Hobbyists\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eSort and match 18650 cells for power bank building\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eTest reclaimed batteries from old laptop packs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eVerify battery quality before integrating into projects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eEvaluate capacity degradation over time\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e🚁 RC \u0026amp; Drone Enthusiasts\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eCheck true capacity of LiPo flight batteries\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eIdentify weak cells before they cause mid-air failures\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eOptimize battery rotation for maximum flight time\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e🚗 E-Bike \u0026amp; EV Owners\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eTest 12V lead-acid battery health for electric scooters and mobility devices\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eEvaluate aging e-bike battery packs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eDetermine if replacement is necessary or just a recharge\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e🔦 Outdoor \u0026amp; Survival Gear Users\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eVerify claimed capacity of flashlights batteries before long trips\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eTest backup power sources for camping and emergency kits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eEnsure GPS, radio, and headlamp batteries are reliable\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e🔧 Small Electronics Repair\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eDiagnose battery issues in cordless tools, vacuums, and gadgets\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eIdentify counterfeit or substandard cells\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eProvide professional battery testing services\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e🏭 Quality Control \u0026amp; Procurement\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eVerify supplier battery claims before bulk purchase\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eEstablish internal battery acceptance standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eDocument capacity test results for warranty purposes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e🎓 Education \u0026amp; Training\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eDemonstrate battery chemistry principles in classrooms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eTeach students about capacity, discharge rates, and battery aging\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003eHands-on STEM projects involving energy storage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OneAndes","offers":[{"title":"Default Title","offer_id":51454194614518,"sku":"OAS898","price":12.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/O1CN01codOzb1jQHnqa0EBu_2216010454542-0-cib_35629d82-8255-4b51-b412-511a5d10c8ea.jpg?v=1786967300","url":"https:\/\/oneandes.com\/products\/zb2l3-battery-capacity-tester-real-mah-test-for-li-ion-lifepo4-lead-acid","provider":"OneAndes","version":"1.0","type":"link"}