{"product_id":"jkbms-accessory-2-inch-lcd-display-screen-with-active-switch-monitor-for-jk-smart-bms-battery-protection-board","title":"JKBMS 2 Inch LCD Display with Active Switch — BMS Monitor \u0026 Power Control for JKBMS Smart BMS","description":"\u003ch2\u003eCompact BMS Monitoring with Active Power Control — JKBMS 2 Inch LCD Display\u003c\/h2\u003e\n\u003cp\u003eThe JKBMS 2 Inch LCD Display gives you real-time visibility into your battery pack — SOC, total voltage, charge\/discharge current, and fault codes — in a compact 61×36mm panel. The built-in active switch lets you power the BMS and display on and off directly from the panel, making it the ideal control point for RV, marine, and portable power installations where a dedicated panel switch is needed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible with: All JKBMS Smart BMS models (Standard \/ HC \/ HCR series)\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eScreen Size\u003c\/td\u003e\n\u003ctd\u003e2.0 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDevice Dimensions\u003c\/td\u003e\n\u003ctd\u003e61 × 36 × 11 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Length\u003c\/td\u003e\n\u003ctd\u003e3 meters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20°C to +70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-30°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection\u003c\/td\u003e\n\u003ctd\u003eUART display port (plug-and-play)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat You Can Monitor\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eState of Charge (SOC)\u003c\/strong\u003e — remaining battery capacity at a glance\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eTotal battery voltage\u003c\/strong\u003e — real-time pack voltage\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCharge \/ discharge current\u003c\/strong\u003e — know exactly what your pack is doing\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eFault codes \u0026amp; alarm alerts\u003c\/strong\u003e — 8 fault types displayed with descriptions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eActive Switch — Control BMS \u0026amp; Display Power\u003c\/h2\u003e\n\u003cp\u003eThe built-in white button on the right side of the display controls both the \u003cstrong\u003eBMS power state and the display backlight\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower On:\u003c\/strong\u003e Press and hold 1–2 seconds to power on the BMS and display\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Off:\u003c\/strong\u003e Long press 2~3 seconds while BMS is on to power off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay backlight toggle:\u003c\/strong\u003e Single press toggles the backlight on\/off while BMS remains on\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eDisplay Auto-Off Logic\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStatic (no discharge current, no button):\u003c\/strong\u003e Backlight turns off after 10 seconds to save power\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuring discharge:\u003c\/strong\u003e Display stays on continuously\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eButton press:\u003c\/strong\u003e Toggles backlight between on and off\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eFault Code Reference\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCode\u003c\/th\u003e\n\u003cth\u003eFault Description\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eSingle cell over-discharge alarm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eSingle cell overcharge alarm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eOver-current alarm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eMOS over-temperature alarm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eBattery over-temperature alarm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003eShort circuit alarm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003eInternal communication abnormal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003eBalancing wire resistance too large \/ dropped string\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eWho Is This Display For?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e🚐 \u003cstrong\u003eRV \u0026amp; campervan\u003c\/strong\u003e builders needing a panel-mounted BMS switch and monitor\u003c\/li\u003e\n\u003cli\u003e🛥 \u003cstrong\u003eMarine installations\u003c\/strong\u003e requiring compact display with power control\u003c\/li\u003e\n\u003cli\u003e🔦 \u003cstrong\u003ePortable power stations\u003c\/strong\u003e and off-grid systems\u003c\/li\u003e\n\u003cli\u003e🔋 \u003cstrong\u003eHome ESS\u003c\/strong\u003e installations with limited panel space\u003c\/li\u003e\n\u003cli\u003e🏭 \u003cstrong\u003eOEM battery manufacturers\u003c\/strong\u003e integrating a compact control display\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1× JKBMS 2 Inch LCD Display with Active Switch (3m cable)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eOEM \/ ODM \u0026amp; Bulk Orders\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e📩 For wholesale pricing, MOQ, and custom configurations, please \u003ca href=\"\/en-eu\/pages\/contact\"\u003econtact us\u003c\/a\u003e directly.\u003c\/strong\u003e\u003c\/p\u003e","brand":"JKBMS","offers":[{"title":"JK-LCD2.0","offer_id":47778458239114,"sku":"JK-LCD2.0","price":26.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/0591\/1434\/files\/2.0_e98359ee-31b7-49f4-8854-2bd05dfc7a86.jpg?v=1775495689","url":"https:\/\/jkbms-ess.com\/en-eu\/products\/jkbms-accessory-2-inch-lcd-display-screen-with-active-switch-monitor-for-jk-smart-bms-battery-protection-board","provider":"JKBMS-ESS","version":"1.0","type":"link"}