{"product_id":"led-voltage-and-battery-capacity-display-board-low-voltage-alarm-3s-4s-dc-7-55v-universal-smart-battery-charge-indicator-board","title":"LED Voltage and Battery Capacity Display Board | DC 7-55V Universal Smart Battery Charge Indicator with Low Voltage Alarm","description":"\u003cp\u003eMonitor your battery voltage and capacity in real time with this universal smart battery charge indicator board. It works with a wide range of battery types and voltage levels, giving you clear, instant feedback through a bright LED display. Whether you are working on DIY electronics or maintaining power systems, this compact board helps you keep track of your battery status at a glance.\u003c\/p\u003e\n\u003cp\u003eThis LED display board is designed for accuracy and ease of use. It shows both voltage and remaining capacity, so you always know how much power is left. The built-in low voltage alarm alerts you when the battery drops below a safe level, helping you prevent over-discharge and extend battery life. You can customize the high and low voltage thresholds to match your specific battery type and needs.\u003c\/p\u003e\n\u003cp\u003eThe board features a user-friendly interface with a single button for control. A short press turns the display on or off, while a long press lets you enter the settings menu. It also includes a power-off memory function that saves your settings even when the power is disconnected. The adjustable backlight lets you set the display duration to suit your environment and save energy.\u003c\/p\u003e\n\u003cp\u003eCompact and thumb-sized, this indicator board fits easily into tight spaces and portable setups. It supports ternary lithium, lithium iron, and lead-acid batteries across a wide voltage range, making it a versatile tool for hobbyists, technicians, and anyone who works with rechargeable batteries.\u003c\/p\u003e\n\u003cp\u003eKey Features and Benefits\u003c\/p\u003e\u003cp\u003e- Universal battery compatibility that works with ternary lithium (3S-12S), lithium iron (3S-14S), and lead-acid batteries (12V\/24V\/36V\/48V) for flexible use across different power systems\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eReal-time LED voltage and capacity display that gives you instant, clear readings of your battery status at a glance\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eCustomizable high and low voltage alarm thresholds that let you set safe operating limits to protect your batteries from overcharging or deep discharge\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003ePower-off memory function that saves your settings automatically, so you do not have to reconfigure the board after a power loss\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eAdjustable backlight duration that you can set to match ambient light conditions and extend the overall service life of the indicator\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eCompact and portable thumb-sized design that fits easily into tight spaces and DIY electrical projects without adding bulk\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eWho Is This For\u003c\/p\u003e\u003cp\u003e- DIY electronics enthusiasts building or maintaining battery-powered projects\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eHobbyists working with RC vehicles, drones, or other battery-operated models\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eTechnicians and engineers monitoring battery banks in solar or backup power systems\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eAnyone who needs a simple, reliable way to check battery voltage and capacity on lead-acid or lithium batteries\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eUsage Scenario\u003c\/p\u003e\u003cp\u003eTom was building a portable power station for camping trips. He needed a way to check the battery level without carrying extra equipment. After installing this LED indicator board, he could see the remaining capacity and voltage instantly. When the battery dropped too low, the alarm reminded him to recharge before the cells were damaged. The compact size let him mount it right on the front panel, keeping everything clean and functional.\u003c\/p\u003e\n\u003cp\u003eMicro Comparison\u003c\/p\u003e\u003cp\u003eUnlike basic voltmeters that only show voltage, this board displays both voltage and estimated battery capacity in one glance. It also includes a programmable low voltage alarm and backlight control, features often missing from simpler indicators. The wide input range and support for multiple battery chemistries make it a more versatile choice for users who work with different power systems.\u003c\/p\u003e\n\u003cp\u003eSpecifications\u003c\/p\u003e\u003cp\u003e- Voltage measurement range: DC 7-55V (red display: DC 7-40V)\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eBattery support: Ternary lithium 3S-12S, lithium iron 3S-14S, lead-acid 12V\/24V\/36V\/48V\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eDisplay colors: Green, Blue, Red, White\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eBacklight setting: Adjustable duration\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003ePower-off memory: Yes\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eDIY supplies category: Electrical\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003ePackage Includes\u003c\/p\u003e\u003cp\u003e- Battery Indicator Board x 1\u003c\/p\u003e","brand":"OnlyTenBucks.com","offers":[{"title":"Blue","offer_id":52341265105176,"sku":"14:350850#Blue","price":10.0,"currency_code":"USD","in_stock":true},{"title":"Green","offer_id":52341265137944,"sku":"14:350853#Green","price":10.0,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":52341265170712,"sku":"14:10#Red","price":10.0,"currency_code":"USD","in_stock":true},{"title":"White","offer_id":52341265203480,"sku":"14:29#White","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0936\/3646\/0824\/files\/S8911d37a7c14409fbd937bc044dcbec5F.webp?v=1782599691","url":"https:\/\/onlytenbucks.com\/de\/products\/led-voltage-and-battery-capacity-display-board-low-voltage-alarm-3s-4s-dc-7-55v-universal-smart-battery-charge-indicator-board","provider":"OnlyTenBucks.com","version":"1.0","type":"link"}