{"product_id":"40a-mppt-solar-charge-controller","title":"40A MPPT solar charge controller","description":"\u003cdiv\u003e\n\u003ch1\u003eEquipment Type and Primary Applications\u003c\/h1\u003e\n\u003cp\u003eThis 40A MPPT solar charge controller supports 12V and 24V off-grid battery systems, accepting up to 550W of photovoltaic input at 12V or 1100W at 24V. It is designed for solar charging applications using sealed, gel, flooded, or lithium batteries.\u003c\/p\u003e \u003ch2\u003ePerformance Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMaximum charging current: 40A\u003c\/li\u003e\n\u003cli\u003eRated load current: 20A\u003c\/li\u003e\n\u003cli\u003eSystem voltage: 12V\/24V, automatic detection during installation\u003c\/li\u003e\n\u003cli\u003eMaximum solar input voltage: 100V at 25°C; 90V at -25°C\u003c\/li\u003e\n\u003cli\u003eMaximum PV short-circuit current: 50A\u003c\/li\u003e\n\u003cli\u003eBattery voltage range: 9V–35V; maximum battery voltage: 32V\u003c\/li\u003e\n\u003cli\u003eMPPT tracking efficiency: greater than 99%; conversion efficiency: up to 98%\u003c\/li\u003e\n\u003cli\u003eProtection rating: IP32\u003c\/li\u003e\n\u003cli\u003eOperating dimensions: 9.37 × 6.81 × 2.85 inches; net weight: 4.41 lb\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eSafety Features and Certifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eElectronic protection against reverse polarity, overcharging, overload, short circuit, and reverse current\u003c\/li\u003e\n\u003cli\u003eLithium battery recovery function for over-discharged lithium batteries\u003c\/li\u003e\n\u003cli\u003eDie-cast aluminum housing supports heat dissipation\u003c\/li\u003e\n\u003cli\u003eIP32 enclosure rating\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eInstallation and Maintenance Requirements\u003c\/h2\u003e\n\u003cp\u003eInstall in a compatible 12V or 24V solar battery system. The maximum terminal size is 8 AWG. Confirm PV voltage, battery voltage, and polarity during commissioning; the controller automatically detects nominal system voltage. Provide sufficient clearance around the 9.37 × 6.81 × 2.85-inch enclosure for ventilation and service access. The LCD and LED indicators display charging status, battery information, operating parameters, and fault codes.\u003c\/p\u003e \u003ch2\u003eWarranty and Service Information\u003c\/h2\u003e \u003ch2\u003eBranding\/References\u003c\/h2\u003e\n\u003cp\u003eProduct reference: 40A MPPT solar charge controller. Communication interface: RS232, compatible with the optional BT-1 Bluetooth module.\u003c\/p\u003e \u003ch2\u003eDifferentiators\u003c\/h2\u003e\n\u003cp\u003eMPPT tracking efficiency above 99%, 100V solar input capability, automatic 12V\/24V detection, and lithium battery recovery combine flexible installation with efficient charging control.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Rich Solar","offers":[{"title":"Default Title","offer_id":45362828935283,"sku":"RS-MPPT40","price":127.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/9969\/3939\/files\/40AmpMPPTSolarChargeController2.jpg?v=1789948196","url":"https:\/\/ampereauthority.com\/products\/40a-mppt-solar-charge-controller","provider":"Ampere Authority","version":"1.0","type":"link"}