{"product_id":"a02f-lcd-digital-lithium-battery-capacity-tester-module","title":"A02F LCD Digital Lithium Battery Capacity Tester Module","description":"\u003ch2\u003eA02F LCD Digital Lithium Battery Capacity Tester Module\u003c\/h2\u003e\n\u003cp\u003eTake the guesswork out of battery performance with the \u003cstrong\u003eA02F Lithium Battery Capacity Tester Module\u003c\/strong\u003e. Featuring a clear \u003cstrong\u003eLCD digital display\u003c\/strong\u003e, this compact PCB+plastic module accurately measures the true remaining capacity of lithium batteries — including popular 18650 cells — so you always know exactly what power you have left.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're a hobbyist, electronics enthusiast, or simply want to monitor your rechargeable batteries more effectively, this tester delivers reliable, at-a-glance readings in a durable, lightweight form factor.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrue Capacity Measurement:\u003c\/strong\u003e Accurately reads the real capacity of lithium batteries — not just voltage estimates.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLCD Digital Display:\u003c\/strong\u003e Easy-to-read screen shows battery capacity clearly and precisely.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuto-Save Function:\u003c\/strong\u003e Automatically saves settings 5 seconds after value configuration is complete — no manual saving needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Discharge Stop Voltage:\u003c\/strong\u003e Designed for 18650 lithium batteries with a minimum discharge stop voltage of 2.75V, protecting your cells from over-discharge.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Built from quality PCB and plastic materials for everyday reliability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Module Design:\u003c\/strong\u003e Ideal for integration into DIY projects or standalone use as a battery health checker.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Lithium Battery Capacity Tester Module\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e LCD Digital\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Battery:\u003c\/strong\u003e Lithium (e.g. 18650)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Discharge Stop Voltage:\u003c\/strong\u003e 2.75V (18650)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuto-Save:\u003c\/strong\u003e Yes — 5 seconds after value setting\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e PCB + Plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSemi-Finished Product:\u003c\/strong\u003e No (ready to use)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × A02F Lithium Battery Capacity Tester LCD Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on lithium battery safety and best practices, visit the U.S. Consumer Product Safety Commission – Lithium-Ion Battery Safety.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does the A02F Lithium Battery Capacity Tester Module actually measure?\u003c\/h4\u003e\n\u003cp\u003eA: The A02F module measures the \u003cstrong\u003etrue remaining capacity\u003c\/strong\u003e of lithium batteries (such as 18650 cells), displaying the result on its built-in LCD digital screen. Unlike simple voltage meters, it gives you a genuine capacity reading so you can accurately assess the health and charge level of your batteries.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the A02F tester save my settings automatically?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The A02F features an \u003cstrong\u003eautomatic save function\u003c\/strong\u003e — it saves your value settings automatically 5 seconds after you finish configuring them, so there's no need to press a save button manually.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the minimum discharge stop voltage for the 18650 battery?\u003c\/h4\u003e\n\u003cp\u003eA: The A02F Lithium Battery Capacity Tester is designed with a \u003cstrong\u003eminimum discharge stop voltage of 2.75V\u003c\/strong\u003e for 18650 lithium batteries. This helps protect your cells from being over-discharged, which can extend overall battery lifespan.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What materials is this tester module made from?\u003c\/h4\u003e\n\u003cp\u003eA: The module is constructed from \u003cstrong\u003ePCB (printed circuit board) and plastic\u003c\/strong\u003e, making it lightweight, durable, and suitable for both standalone use and integration into DIY electronics projects.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does the A02F Lithium Battery Capacity Tester Module actually measure?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The A02F module measures the true remaining capacity of lithium batteries (such as 18650 cells), displaying the result on its built-in LCD digital screen. 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