{"product_id":"1s-8s-lithium-battery-voltage-capacity-tester-lcd-5-30v-500ms-refresh","title":"1S–8S Lithium Battery Voltage \u0026 Capacity Tester — LCD Display, 5–30V, 500ms Refresh","description":"\u003ch2\u003e1S–8S Lithium Battery Voltage \u0026amp; Capacity Tester — LCD Display, 5–30V\u003c\/h2\u003e\n\n\u003cp\u003eThis \u003cstrong\u003e1S–8S battery voltage and capacity tester\u003c\/strong\u003e displays the remaining capacity of lithium-ion, LiPo, LiFePO4, and lead-acid battery packs via an LED bar graph — showing charge level at a glance without a multimeter. Supports 1S to 8S battery strings (5V to 30V), with color-coded LED indicators for different battery chemistries. Auto-shutdown after 10 seconds of inactivity minimizes battery drain during testing.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e DC 5V – 30V (1S to 8S battery packs)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Current:\u003c\/strong\u003e \u0026lt;10mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e LED bar graph indicator\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRefresh Rate:\u003c\/strong\u003e 500ms per reading\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuto-Shutdown:\u003c\/strong\u003e After 10 seconds of inactivity\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 46 × 15 × 3mm (compact, panel-mount friendly)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBattery Chemistry Color Coding\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRed LEDs:\u003c\/strong\u003e Ternary lithium (Li-NMC, Li-NCA) — 3.7V nominal per cell\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGreen LEDs:\u003c\/strong\u003e Lithium iron phosphate (LiFePO4) — 3.2V nominal per cell\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eYellow LEDs:\u003c\/strong\u003e Lead-acid — 2V nominal per cell\u003c\/li\u003e\n  \u003cli\u003eDefault setting: 3S ternary lithium (11.1V pack)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Battery Pack Voltages\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1S:\u003c\/strong\u003e 3.7V (single 18650 cell)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2S:\u003c\/strong\u003e 7.4V (LiPo drone battery)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3S:\u003c\/strong\u003e 11.1V (RC car, drone)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4S:\u003c\/strong\u003e 14.8V (high-performance RC)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6S:\u003c\/strong\u003e 22.2V (large drone)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRC model LiPo battery charge level check\u003c\/li\u003e\n  \u003cli\u003eDIY power bank capacity indicator\u003c\/li\u003e\n  \u003cli\u003eE-bike battery level display\u003c\/li\u003e\n  \u003cli\u003eSolar storage battery monitor\u003c\/li\u003e\n  \u003cli\u003eWorkshop battery pack quick-check tool\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e1S–8S battery tester — LCD display, 5–30V, 500ms refresh, auto-shutdown, 46×15mm for LiPo, Li-ion, LiFePO4, and lead-acid battery capacity monitoring.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991456600299,"sku":"\u003cnone\u003e","price":6.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/1s-8s-lithium-battery-voltage-capacity-tester-lcd-module-5-30v.webp?v=1761797067","url":"https:\/\/keszoox.com\/products\/1s-8s-lithium-battery-voltage-capacity-tester-lcd-5-30v-500ms-refresh","provider":"Keszoox","version":"1.0","type":"link"}