{"product_id":"dc-7-55v-universal-battery-charge-indicator-led-display-board-alarm","title":"DC 7-55V Battery Charge Indicator LED Display Board with Alarm","description":"\n\u003ch2\u003eMonitor Your Battery Level at a Glance\u003c\/h2\u003e\n\u003cp\u003eNever get caught off guard by a dead battery again. The \u003cstrong\u003eDC 7-55V Universal Battery Charge Indicator Board\u003c\/strong\u003e gives you a clear, real-time LED display of your battery's charge level — compatible with both \u003cstrong\u003eacid (lead-acid) and lithium batteries\u003c\/strong\u003e. Whether you're powering a solar setup, electric vehicle, RV, e-bike, or DIY electronics project, this compact board delivers instant voltage readings with a built-in \u003cstrong\u003elow-charge alarm\u003c\/strong\u003e to warn you before power runs out.\u003c\/p\u003e\n\n\u003cp\u003eWith a wide input range of \u003cstrong\u003e7V to 55V\u003c\/strong\u003e and ultra-low 20mA current draw, this indicator is ideal for hobbyists, engineers, and makers who need reliable, always-on battery monitoring without draining their power source.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Range:\u003c\/strong\u003e Works with 7V–55V DC systems — compatible with 12V, 24V, 36V, 48V batteries and more\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Supports lead-acid (acid) and lithium battery chemistries\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLED Bar Display:\u003c\/strong\u003e Clear, easy-to-read multi-segment LED indicator shows charge level at a glance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in Alarm:\u003c\/strong\u003e Audible\/visual low-battery alert helps prevent over-discharge and battery damage\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Power Consumption:\u003c\/strong\u003e Only 20mA draw — won't significantly impact your battery life\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact PCB Design:\u003c\/strong\u003e Easy to integrate into DIY projects, enclosures, or existing battery systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Battery Included:\u003c\/strong\u003e Connect directly to your existing battery bank or power system\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 7V – 55V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Types Supported\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLead-Acid, Lithium\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Draw\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≈20mA\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 Bar \/ Indicator\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlarm Function\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes (Low Voltage Alert)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSolar power systems \u0026amp; off-grid setups\u003c\/li\u003e\n  \u003cli\u003eElectric bikes, scooters \u0026amp; golf carts\u003c\/li\u003e\n  \u003cli\u003eRVs, boats \u0026amp; marine applications\u003c\/li\u003e\n  \u003cli\u003eDIY electronics \u0026amp; maker projects\u003c\/li\u003e\n  \u003cli\u003eUPS systems \u0026amp; backup power banks\u003c\/li\u003e\n  \u003cli\u003eAutomotive \u0026amp; motorcycle batteries\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/hex-shank-wire-twister-drill-attachment-rebar-tie-tool\"\u003e1\/4\" Hex Shank Wire Twister Drill Attachment | Rebar Tie Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/adhesive-metal-plates-magnets-self-stick-steel-strips-10-pack\"\u003e10-Pack Adhesive Metal Plates for Magnets – Self-Stick Steel Strips\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10-pack-2-5mm-hss-twist-drill-bits-micro-straight-shank-set\"\u003e10-Pack 2.5mm HSS Twist Drill Bits – Micro Straight Shank Set\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSafety \u0026amp; Standards\u003c\/h3\u003e\n\u003cp\u003eFor guidance on safe handling of batteries and electrical components in DIY projects, refer to the U.S. Consumer Product Safety Commission (CPSC) Battery Safety Guidelines. Always follow local electrical safety codes when integrating this board into your system.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/LED_display\" target=\"_blank\" rel=\"noopener\"\u003eLED display\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What battery types does this DC 7-55V charge indicator board support?\u003c\/h4\u003e\n\u003cp\u003eA: This universal battery charge indicator board supports both \u003cstrong\u003elead-acid (acid)\u003c\/strong\u003e and \u003cstrong\u003elithium\u003c\/strong\u003e battery chemistries, making it versatile for a wide range of applications including solar, automotive, RV, and DIY electronics projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What voltage range is this LED battery indicator compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: The board operates over a wide \u003cstrong\u003eDC 7V to 55V\u003c\/strong\u003e input range, covering common battery systems such as 12V, 24V, 36V, and 48V. This makes it suitable for everything from car batteries to large lithium packs used in e-bikes and solar storage.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How does the low battery alarm work?\u003c\/h4\u003e\n\u003cp\u003eA: The built-in alarm triggers when the battery voltage drops to a predefined low level, providing an alert so you can recharge or switch power sources before the battery is over-discharged — which can damage battery cells and reduce overall lifespan.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How much power does this indicator board consume?\u003c\/h4\u003e\n\u003cp\u003eA: The indicator draws approximately \u003cstrong\u003e20mA\u003c\/strong\u003e of current, which is very low — making it suitable for always-on battery monitoring without significantly impacting your total battery capacity or runtime.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What battery types does this DC 7-55V charge indicator board support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This universal battery charge indicator board supports both lead-acid (acid) and lithium battery chemistries, making it versatile for a wide range of applications including solar, automotive, RV, and DIY electronics projects.\"}}, {\"@type\": \"Question\", \"name\": \"What voltage range is this LED battery indicator compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The board operates over a wide DC 7V to 55V input range, covering common battery systems such as 12V, 24V, 36V, and 48V. This makes it suitable for everything from car batteries to large lithium packs used in e-bikes and solar storage.\"}}, {\"@type\": \"Question\", \"name\": \"How does the low battery alarm work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The built-in alarm triggers when the battery voltage drops to a predefined low level, providing an alert so you can recharge or switch power sources before the battery is over-discharged — which can damage battery cells and reduce overall lifespan.\"}}, {\"@type\": \"Question\", \"name\": \"How much power does this indicator board consume?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The indicator draws approximately 20mA of current, which is very low — making it suitable for always-on battery monitoring without significantly impacting your total battery capacity or runtime.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/0i45ne-c8.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Fasteners \u0026 Electrical\", \"item\": \"https:\/\/0i45ne-c8.myshopify.com\/collections\/fasteners-electrical\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"DC 7-55V Battery Charge Indicator LED Display Board with Alarm\", \"item\": \"https:\/\/0i45ne-c8.myshopify.com\/products\/dc-7-55v-universal-battery-charge-indicator-led-display-board-alarm\"}]}\u003c\/script\u003e","brand":"Zpaxo","offers":[{"title":"Green","offer_id":54165331411254,"sku":"14:366#Green","price":11.02,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":54165331444022,"sku":"14:175#Blue","price":11.02,"currency_code":"USD","in_stock":true},{"title":"White","offer_id":54165331476790,"sku":"14:365462#White","price":10.96,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":54165331509558,"sku":"14:193#Red","price":11.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0989\/7774\/3158\/files\/Se7935fbb72ae4b208bf65e5bccfa1b24l.webp?v=1782621805","url":"https:\/\/0i45ne-c8.myshopify.com\/products\/dc-7-55v-universal-battery-charge-indicator-led-display-board-alarm","provider":"Zpaxo","version":"1.0","type":"link"}