{"product_id":"12v-300ah-lithium-battery-with-touch-screen","title":"Temgo 12V 300Ah Lithium Battery with Bluetooth APP \u0026 Touch Screen for RVs \u0026Trailers, Trolling Motors, Campers, motorhomes, Off Grid","description":"\u003ch2\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003elarge capacity, longer runtime\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eSay goodbye to frequent power shortages and short runtime of small-capacity batteries. The Temgo 12V 300Ah LiFePO4 Battery boasts a massive 3840Wh capacity. \u003cstrong\u003eSupporting 100% SOC and 100% DOD\u003c\/strong\u003e, it boasts up to 5000 cycle life and up to 10-year long service life. Built with an IP65 waterproof, vibration-resistant rugged casing, it features \u003cstrong\u003emaintenance-free\u003c\/strong\u003e use while delivering stable, reliable power for RVs, marine gear, solar storage and all off-grid living scenarios.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/4574\/0839\/files\/12V-300Ah-LiFePO4-battery.jpg?v=1725957517\" alt=\"Temgo 12V 300Ah lithium battery with capacity of 3840Wh and 10-year long service life\" class=\"desktop--device\" width=\"1464\" height=\"600\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"Temgo 12V 300Ah lithium battery with capacity of 3840Wh and 10-year long service life\" class=\"mobile--device\" width=\"350\" height=\"263\" loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/4574\/0839\/files\/12V-300Ah-LiFePO4-battery-2.jpg?v=1725957536\"\u003e\u003c\/p\u003e\n\u003ch2\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eOptimized for Low-Temperature Use\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003ePacked with a 200A BMS system, this battery delivers reliable cold-weather performance via intelligent \u003cstrong\u003eself-heating and low-temperature cutoff protection\u003c\/strong\u003e. It automatically activates self-heating when charging below 32°F (0°C); once the internal temperature exceeds 41°F (5°C), heating deactivates for normal charging, preserving cell health and improving charging efficiency. For discharge, it cuts off at -20°C ± 4°C (-4°F ± 7.2°F), enabling safe, stable operation in freezing conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/4574\/0839\/files\/Temgo_12V_300Ah_self-heating_lithium_battery_200A_BMS_protection_desktop.webp?v=1786514494\" alt=\"Temgo 12V 300Ah lithium battery built-in 200A BMS and low temperature protection\" class=\"desktop--device\" width=\"1464\" height=\"600\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"Temgo 12V 300Ah lithium battery built-in 200A BMS and low temperature protection\" class=\"mobile--device\" width=\"350\" height=\"263\" loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/4574\/0839\/files\/12V_300Ah_self-heating_200A_BMS_protection_mobile.webp?v=1786517942\"\u003e\u003c\/p\u003e\n\u003ch2\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eIntelligent Monitoring\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eThe Temgo battery integrates convenient smart monitoring functions for effortless power management. Simply scan the onboard QR code to complete instant Bluetooth pairing. Real-time data including voltage, current, remaining capacity and temperature is clearly displayed on the\u003cstrong\u003e built-in Touchscreen\u003c\/strong\u003e and Temgo App. You can keep track of battery operating status at any time and quickly identify overload, overheating and other abnormal conditions for worry-free power use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/4574\/0839\/files\/Temgo_12V_300Ah_self-heating_lithium_battery_smart_LCD_screen_app_control_desktop.webp?v=1786514564\" alt=\"Temgo 12V 300Ah lithium battery touch LCD screen and app monitoring\" class=\"desktop--device\" width=\"1464\" height=\"600\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"Temgo 12V 300Ah lithium battery touch LCD screen and app monitoring\" class=\"mobile--device\" width=\"350\" height=\"263\" loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/4574\/0839\/files\/Temgo_12V_300Ah_self-heating_app_control_mobile.webp?v=1786518061\"\u003e\u003c\/p\u003e\n\u003ch2\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eVersatile Power For All Scenarios\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eBuilt with 12V 300Ah \/ 3840Wh large capacity and \u003cstrong\u003e2560W continuous high-power output\u003c\/strong\u003e, this Temgo LiFePO4 battery handles all heavy-duty power loads with ease. It delivers consistent, reliable power for home backup storage, RVs, yachts, fishing expeditions, off-grid solar setups. It stably supports refrigerators, lighting and various daily electronics, fully meeting long-duration power demands.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/4574\/0839\/files\/Temgo_12V_300Ah_self-heating_lithium_battery_for_marine_home_backup_off-grid_storage_RVs_desktop.webp?v=1786514522\" alt=\"Temgo 12V 300Ah lithium battery for RVs, marine, home backup and off grid solar storage\" class=\"desktop--device\" width=\"1464\" height=\"600\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"Temgo 12V 300Ah lithium battery for RVs, marine, home backup and off grid solar storage\" class=\"mobile--device\" width=\"350\" height=\"263\" loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/4574\/0839\/files\/12V_300Ah_self-heating_applications_mobile.webp?v=1786679284\"\u003e\u003c\/p\u003e","brand":"Temgo","offers":[{"title":"Default Title","offer_id":45273159303463,"sku":"TM-12V-300AH-MINI","price":499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4574\/0839\/files\/overview_of_Temgo_12V_300Ah_LiFePO4_battery.webp?v=1786499664","url":"https:\/\/www.temgot.com\/products\/12v-300ah-lithium-battery-with-touch-screen","provider":"Temgot","version":"1.0","type":"link"}