{"product_id":"srne-smart-power-management-starter-kit-cu2-rma7-bs48500","title":"SRNE Starter Kit – 7\" Touchscreen, Data Management, Smart Battery Shunt","description":"\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSRNE Smart Power Management Starter Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides the foundation for an integrated electrical monitoring and control system in campervans, motorhomes, caravans and off-grid installations. Combining the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSRNE CU2 Control Unit, RMA7 7-inch Touchscreen Display and BS48500 500A Battery Monitor\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the kit brings essential battery information and electrical system controls together in one convenient interface.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAt the centre of the system is the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSRNE CU2\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, which communicates with compatible SRNE electrical equipment and provides built-in Bluetooth and WiFi connectivity. Users can view battery performance, monitor connected devices and operate supported electrical functions through the SRNE mobile app or the RMA7 touchscreen.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eRMA7 colour touchscreen\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides a central display for monitoring battery state of charge, charging activity and other connected system information. The CU2 also incorporates six 6A relay outputs, allowing suitable low-current equipment such as lighting and ventilation fans to be controlled through the system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAccurate battery monitoring is provided by the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBS48500 500A battery shunt\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, which measures current flowing into and out of the leisure battery. This enables monitoring of battery voltage, current consumption and remaining battery capacity, helping users understand how much energy is available when travelling or camping off-grid.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned as an expandable system, the starter kit can be integrated with compatible SRNE solar charge controllers, DC-DC chargers and inverter\/chargers. Additional water level and temperature sensors can also be incorporated, creating a centralised monitoring solution for a complete campervan or motorhome electrical installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003e• Complete SRNE smart electrical monitoring starter kit\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Includes CU2 Control Unit, RMA7 7-inch touchscreen and BS48500 500A battery monitor\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Centralised monitoring of leisure battery voltage, current and state of charge\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Built-in Bluetooth and WiFi connectivity through the CU2\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Smartphone monitoring and control using the compatible SRNE app\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Six 6A relay outputs for controlling suitable electrical equipment\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Supports compatible water tank level and temperature sensors\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Expandable with SRNE MPPT solar controllers, DC-DC chargers and inverter\/chargers\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• RS485 and CAN communication support for compatible system integration\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Suitable for lithium and lead-acid leisure battery installations\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Ideal for campervans, motorhomes, caravans and off-grid electrical systems\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKit Contents\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003e• 1 × SRNE CU2 Data Acquisition and Control Unit\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• 1 × SRNE RMA7 7-inch Colour Touchscreen Display\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• 1 × SRNE BS48500 500A Smart Battery Monitor with Integrated Shunt\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSRNE CU2 Control Unit\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• Model: SR-CU2\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Function: Central data acquisition, communication and system control\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Input voltage range: 10–100V DC\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Static power consumption: Less than 1.2W\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Connectivity: Built-in Bluetooth and WiFi\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Communication interfaces: TTL, RS232, RS485 and CAN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• TTL ports: 2\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Relay outputs: 6 × 6A\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Operating temperature: -35°C to +65°C\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Protection rating: IP20\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Net weight: 265g\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSRNE RMA7 Touchscreen Display\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• Model: RMA7\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Display type: Colour touchscreen\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Screen size: 7 inches\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Function: Central monitoring and control of compatible SRNE devices\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Connection: Compatible SRNE system communication interface\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Application: Campervan, motorhome and off-grid electrical management\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSRNE BS48500 Battery Monitor\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• Model: BS48500\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Type: Smart battery monitor with integrated shunt\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Rated current: 500A\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Battery system voltage: 12V \/ 24V \/ 36V \/ 48V DC\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Supply voltage: 6.5–75V DC\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Battery capacity range: 1–9999Ah\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Battery compatibility: Lithium and lead-acid\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Connectivity: Bluetooth, RS485 and CAN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Historical data storage: Up to 60 days\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Operating temperature: -35°C to +65°C\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Protection rating: IP21\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Dimensions: 120 × 48.3 × 45.9mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Net weight: 350g\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eInstallation Information\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe CU2 acts as the central communication and control unit, connecting the RMA7 touchscreen and compatible SRNE devices into a single system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe BS48500 battery monitor is installed in the leisure battery negative circuit so that charging and discharging current passes through its integrated shunt. The components must be connected using the appropriate communication cables and installed in accordance with SRNE's wiring instructions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAdditional solar controllers, battery chargers, sensors and electrical accessories can be incorporated as the system is expanded. The starter kit itself does not include a solar charger, DC-DC charger, inverter or leisure battery.\u003c\/span\u003e\u003c\/p\u003e","brand":"SRNE","offers":[{"title":"Default Title","offer_id":54347145085256,"sku":"S-1-SR-START-KIT-1","price":346.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0816\/9691\/5784\/files\/Untitled-23October2026at09.40.24-1.png?v=1792750011","url":"https:\/\/rebel-leisure.co.uk\/products\/srne-smart-power-management-starter-kit-cu2-rma7-bs48500","provider":"Rebel Leisure Direct Ltd","version":"1.0","type":"link"}