{"product_id":"led-battery-capacity-indicator-module-5s-18v-21v-lithium-tool","title":"LED Battery Indicator Module 5S 18V 21V | Lithium Tool Battery","description":"\n\u003ch2\u003eJAKEHOE LED Battery Capacity Indicator — Know Your Power at a Glance\u003c\/h2\u003e\n\u003cp\u003eNever get caught mid-job with a dead battery again. The \u003cstrong\u003eJAKEHOE 5S 18V\/21V LED Battery Capacity Indicator Module\u003c\/strong\u003e gives you a real-time, easy-to-read display of your lithium battery's charge level — right on the pack. Designed for electric tools and power equipment, this compact display module snaps into compatible battery casings for instant, accurate monitoring of your battery status.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eWhy You'll Love This Battery Indicator\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReal-Time Battery Monitoring:\u003c\/strong\u003e Always know your remaining charge level so you can plan your work without unexpected shutdowns.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClear LED Display:\u003c\/strong\u003e Bright, intuitive LED readout is easy to read in any lighting condition — on the job site or in the garage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Voltage Options:\u003c\/strong\u003e Available in 5S (18V\/21V) and 10S (36V\/42V) configurations — choose the right model for your battery pack.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Universal design fits a wide range of lithium battery casings for power tools, making installation fast and straightforward.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt to Last:\u003c\/strong\u003e Constructed from high-quality, heat-resistant, wear-resistant plastic for extended service life even in demanding environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Packs:\u003c\/strong\u003e Available individually (1 set) or in value packs (5 sets) to keep your whole tool fleet covered.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eJAKEHOE\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic (High-Temperature \u0026amp; Wear Resistant)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e5S Models (Black \/ Green)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18V \/ 21V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e10S Model (Black)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e36V \/ 42V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLED Battery Level Indicator\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible With\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLithium battery packs for electric tools\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 set or 5 sets (selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis indicator module supports both common lithium tool battery configurations:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5S Configuration:\u003c\/strong\u003e 18V (nominal) \/ 21V (fully charged) — ideal for most cordless drills, saws, and impact drivers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e10S Configuration:\u003c\/strong\u003e 36V (nominal) \/ 42V (fully charged) — suited for larger power tools and e-bike battery packs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cp\u003ePlease measure your battery casing slot before ordering. Allow for a 2–3% dimensional variance due to manual measurement. Actual product color may vary slightly from images due to monitor display differences.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-channel-relay-module-dc-3-3v-24v-optocoupler-arduino\"\u003e1-Channel Relay Module DC 3.3V–24V Optocoupler for Arduino\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-25mm-1000-turn-precision-copper-inductor-coil-diy-electronics\"\u003e0.25mm 1000-Turn Precision Copper Inductor Coil for DIY Circuits\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-channel-scr-solid-state-relay-switch-module-dc3-24v-40a-optocoupler\"\u003e1-Channel SCR Solid State Relay Module DC3-24V 40A Optocoupler\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on lithium battery safety standards, visit the U.S. Consumer Product Safety Commission – Lithium Battery Safety.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Which battery voltage does the 5S LED battery indicator module support?\u003c\/h4\u003e\n\u003cp\u003eA: The 5S model supports 18V (nominal) and 21V (fully charged) lithium battery packs, making it compatible with most standard cordless power tools such as drills, circular saws, and impact drivers.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this LED battery capacity indicator compatible with all lithium battery casings?\u003c\/h4\u003e\n\u003cp\u003eA: The module features a universal design that fits a wide variety of lithium battery casings used in electric tools. However, we recommend measuring your battery casing slot dimensions before purchase to confirm fit, as minor variances (2–3%) may occur.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the difference between the 5S and 10S battery indicator models?\u003c\/h4\u003e\n\u003cp\u003eA: The 5S model (Black or Green) is designed for 18V\/21V lithium battery packs, while the 10S model (Black) is intended for higher-voltage 36V\/42V packs. Choose based on your tool battery's voltage rating.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I buy multiple units at once?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This indicator module is available as a single set (1 unit) or a value pack of 5 sets, so you can equip multiple battery packs at once for greater convenience on the job.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which battery voltage does the 5S LED battery indicator module support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 5S model supports 18V (nominal) and 21V (fully charged) lithium battery packs, making it compatible with most standard cordless power tools such as drills, circular saws, and impact drivers.\"}}, {\"@type\": \"Question\", \"name\": \"Is this LED battery capacity indicator compatible with all lithium battery casings?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The module features a universal design that fits a wide variety of lithium battery casings used in electric tools. 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