{"product_id":"1-8s-lipo-battery-voltage-tester-checker-led-buzzer-alarm","title":"1-8S LiPo Battery Voltage Tester Checker — LED Display \u0026 Low Voltage Buzzer Alarm","description":"\u003ch2\u003e1-8S LiPo Battery Voltage Tester — LED Display \u0026amp; Buzzer Alarm\u003c\/h2\u003e\u003cp\u003eA compact and essential tool for RC hobbyists and DIY battery builders. This \u003cstrong\u003e1-8S LiPo voltage tester\u003c\/strong\u003e instantly displays individual cell voltages via LED indicators and triggers a \u003cstrong\u003elow voltage buzzer alarm\u003c\/strong\u003e when any cell drops below the safe threshold — protecting your expensive LiPo packs from over-discharge damage.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Battery Types\u003c\/td\u003e\n\u003ctd\u003eLiPo, Li-Ion, LiFe, LiHV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell Count\u003c\/td\u003e\n\u003ctd\u003e1S – 8S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Range per Cell\u003c\/td\u003e\n\u003ctd\u003e2.7V – 4.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Accuracy\u003c\/td\u003e\n\u003ctd\u003e±0.01V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLow Voltage Alarm Threshold\u003c\/td\u003e\n\u003ctd\u003e3.3V (adjustable on some variants)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003eLED bar graph per cell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlarm\u003c\/td\u003e\n\u003ctd\u003ePiezo buzzer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003eJST XH 2–9 pin balance port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Current\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;30mA (self-powered from battery)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eWhy Choose This Tester?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eInstant cell-by-cell readout\u003c\/strong\u003e — identify weak or unbalanced cells immediately\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eAudible alarm\u003c\/strong\u003e — buzzer alerts when any cell drops below safe voltage\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSelf-powered\u003c\/strong\u003e — draws power from the battery under test, no external supply needed\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCompact design\u003c\/strong\u003e — fits in RC car\/drone field kit\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eWide compatibility\u003c\/strong\u003e — works with LiPo, Li-Ion, LiFe, and LiHV chemistries\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eCompatible With \/ Works With\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRC drone LiPo packs: 2S, 3S, 4S, 6S (JST XH balance connector)\u003c\/li\u003e\n\u003cli\u003eRC car battery packs: 2S–4S LiPo\u003c\/li\u003e\n\u003cli\u003eDIY 18650 Li-Ion battery packs (with JST XH balance wiring)\u003c\/li\u003e\n\u003cli\u003eLiFePO4 (LiFe) packs: 2S–8S\u003c\/li\u003e\n\u003cli\u003eChargers: ISDT Q6 Plus, SKYRC B6AC, iCharger 308DUO\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRC Drone Pre-Flight Check\u003c\/strong\u003e — verify 4S\/6S LiPo cell balance before flying\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRC Car Field Use\u003c\/strong\u003e — quick 2S\/3S pack check between race heats\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIY Battery Pack Monitoring\u003c\/strong\u003e — 18650 pack cell health check\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Voltage Verification\u003c\/strong\u003e — confirm cells are at 3.8V storage voltage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Sorting\u003c\/strong\u003e — identify degraded cells in used LiPo packs\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Does this tester work with LiFePO4 (LiFe) batteries?\u003c\/strong\u003e\u003cbr\u003eA: Yes. LiFe cells have a nominal voltage of 3.2V and max charge of 3.6V, which falls within the 2.7–4.5V measurement range. The alarm threshold may trigger earlier than for LiPo.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I use this with a 6S LiPo that has an XT60 connector?\u003c\/strong\u003e\u003cbr\u003eA: Yes, connect via the 7-pin JST XH balance connector (not the main XT60 discharge connector). The tester reads balance port only.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Will the buzzer drain my battery?\u003c\/strong\u003e\u003cbr\u003eA: The tester draws \u0026lt;30mA, which is negligible for short-term checking. Do not leave it connected for extended periods as it will slowly discharge the pack.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1× 1-8S LiPo Battery Voltage Tester with LED Display and Buzzer Alarm\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991477997803,"sku":"\u003cnone\u003e","price":6.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/1-8s-led-low-voltage-buzzer-alarm-lipo-battery-tester.webp?v=1761628778","url":"https:\/\/keszoox.com\/products\/1-8s-lipo-battery-voltage-tester-checker-led-buzzer-alarm","provider":"Keszoox","version":"1.0","type":"link"}