{"product_id":"12v-battery-protection-auto-cut-off-circuit-adjustable-charging-controller","title":"12V Battery Protection Auto Cut-Off Circuit – Adjustable Charging Controller","description":"\u003ch2\u003e12V Battery Protection Auto Cut-Off Circuit – Adjustable Charging Controller\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e12V Battery Protection Auto Cut-Off Circuit\u003c\/strong\u003e is a relay-based voltage control module designed to automatically switch a compatible 12V battery charging circuit on or off according to the battery voltage. It helps control the charging process by disconnecting the charger at a preset upper voltage and allowing charging to resume when the voltage falls to a lower setting.\u003c\/p\u003e\n\u003cp\u003eThis module features an onboard voltage adjustment control and indicator LEDs. It can be useful for compatible 12V battery charging projects, DIY electronics, and battery charging control systems when installed according to the correct wiring diagram.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e12V Battery Charging Control:\u003c\/strong\u003e Designed for compatible 12V battery charging circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Cut-Off:\u003c\/strong\u003e Disconnects the charging supply when the configured upper voltage threshold is reached.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Restart:\u003c\/strong\u003e Allows charging to resume when the battery voltage reaches the configured lower threshold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Voltage Settings:\u003c\/strong\u003e Onboard potentiometers allow voltage thresholds to be adjusted, depending on the board version.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay-Based Switching:\u003c\/strong\u003e Uses a relay to control the connected charging circuit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Indicators:\u003c\/strong\u003e Visual indicators are provided on the pictured board; confirm their meanings against the actual board.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12V Battery Charging Auto Cut-Off Circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.5V–14.5V DC (supplier-listed; verify actual board limits)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReported Restart Threshold\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 11.5V; adjustable according to supplier description\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReported Cut-Off Threshold\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 14.5V; adjustable according to supplier description\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReported Voltage Tolerance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately ±0.1V (supplier-listed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSwitching Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRelay-based\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAdjustment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOnboard potentiometer(s)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Input Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupplier warns not to exceed 15V; verify before use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePotential Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible 12V battery charging control projects\u003c\/li\u003e\n\u003cli\u003eDIY battery charging circuits\u003c\/li\u003e\n\u003cli\u003eRelay-controlled voltage switching projects\u003c\/li\u003e\n\u003cli\u003eElectronics prototyping and educational projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/3623\/2249\/files\/05_auto_cutoff_operation.jpg?v=1793009248\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003c\/h3\u003e\n\u003ch3\u003eInstallation and Safety Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVerify the circuit diagram, terminal labels, and voltage settings before connecting the module.\u003c\/li\u003e\n\u003cli\u003eConfirm that the battery chemistry and charging method are compatible with the module and charger.\u003c\/li\u003e\n\u003cli\u003eDo not assume the module provides deep-discharge protection for a connected load; its advertised function is charging cut-off control.\u003c\/li\u003e\n\u003cli\u003eDo not exceed the verified relay current, voltage, or power ratings. The relay rating must be confirmed before connecting a high-current charger.\u003c\/li\u003e\n\u003cli\u003eDisconnect power before wiring or adjusting the circuit. Incorrect connections can damage the board, charger, or battery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × 12V Battery Protection Auto Cut-Off Circuit Board\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eExplore battery control circuits and electronic components at \u003ca href=\"electronicshub.pk\" title=\"electronicshub.pk\"\u003e\u003cstrong\u003eElectronicsHub.pk\u003c\/strong\u003e.\u003c\/a\u003e\u003c\/p\u003e","brand":"Electronics Hub","offers":[{"title":"Default Title","offer_id":67843159032121,"sku":null,"price":155.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/3623\/2249\/files\/01_front_view.jpg?v=1793009980","url":"https:\/\/electronicshub.pk\/products\/12v-battery-protection-auto-cut-off-circuit-adjustable-charging-controller","provider":"Electronics Hub","version":"1.0","type":"link"}