{"product_id":"mastervolt-mac-plus-24-12-50-czone-50a-24v-to-12v-dc-dc-battery-charger-81205205","title":"Mastervolt Mac Plus 24\/12-50 + CZone 50A 24V to 12V DC-DC Battery Charger, 81205205","description":"\u003cp\u003e\u003cstrong\u003eMac Plus 24\/12-50 + CZone\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBoost the Service Battery\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eToo often, service batteries dont get the charge they need. This is a problem made worse by smart alternators and start\/stop systems, which result in slow and insufficient charges. The Mac Plus DC-DC charger solves this problem, providing a quick, safe, and consistent charge to the service battery. And, by knowing when the engine is running and providing charge, users can be sure that the Mac Plus will never drain a starter battery.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eProven Mastervolt Quality\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eUsers get peace of mind knowing that they have the best on board. Using the proven Mastervolt 3-step+ charge algorithm, the Mac Plus delivers a quick and easy charge, even for completely flat batteries.\u003c\/p\u003e\u003cp\u003eA robust design holds up in even the harshest conditions, with battery temperature-optimized charging and a high-quality aluminum housing to ensure superior protection against dust and water ingress. The power-efficient design also allows the Mac Plus to operate silently and without a fan.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTotal Power Flexibility\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eWith a wide DC input range, the Mac Plus allows for all DC sources and can charge two batteries from a single alternator or charger. It supports a full range of chemistries and battery types, including lithium. It also functions seamlessly with modern alternators such as Euro 5 and 6, ensuring proper charging by providing constant power, even when the alternator is inactive.\u003c\/p\u003e\u003cp\u003eParallel configuration of up to ten units will provide over 100 amperes. Advanced high-frequency technology with modern microprocessors ensures minimal power loss when switching from 12V to 24V and vice versa.\u003c\/p\u003e\u003cp\u003eAnalog voltage sense ports are also available to compensate for voltage drops and maintain proper charging.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSuperior Monitoring  Control\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eCompatibility with CZone, NMEA 2000, and MasterBus delivers truly superior monitoring and control and ensures Mac Plus integrates easily into complete systems. Achieve the best performance possible via various controllers and high-quality MOSFETs. And configure the Mac Plus with ease via MasterAdjust, the CZone configuration tool, or even via the on-board DIP switches.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFast and safe charging, even during short trips\u003c\/li\u003e\n\u003cli\u003eFanless design for silent operation\u003c\/li\u003e\n\u003cli\u003eSuitable for flooded, Gel, AGM, and Li-Ion batteries (incl. LiFePO4)\u003c\/li\u003e\n\u003cli\u003eEven charges fully depleted batteries\u003c\/li\u003e\n\u003cli\u003eEngine run detection protects the starter battery\u003c\/li\u003e\n\u003cli\u003eAdjustable current limits to meet Euro 5\/6 requirements\u003c\/li\u003e\n\u003cli\u003eVoltage stabilization protects sensitive equipment, lights, and loads\u003c\/li\u003e\n\u003cli\u003eParallel operation to obtain charging capacities well over 100 Amps\u003c\/li\u003e\n\u003cli\u003eMasterBus, CZone, and NMEA 2000 are compatible for intelligent system monitoring and automation\u003c\/li\u003e\n\u003cli\u003eTemperature compensation and voltage sense for an optimal charging result\u003c\/li\u003e\n\u003cli\u003eE-Mark\/R10 certification for mobile applications\u003c\/li\u003e\n\u003cli\u003ePower supply mode offers stable power for sensitive loads\u003c\/li\u003e\n\u003cli\u003eHeavy-duty connections for easy installation and quick setup via DIP switches\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBattery Temperature Sensor: Yes, included\u003c\/li\u003e\n\u003cli\u003eBattery Voltage Sense: Yes\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eGeneral Specifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eStatus Indicator: Yes, 3-color LED\u003c\/li\u003e\n\u003cli\u003eCommunication Protocol: MasterBus, CZone  NMEA 2000\u003c\/li\u003e\n\u003cli\u003eOutput Voltage: 10-15 V\u003c\/li\u003e\n\u003cli\u003eNominal Output Voltage: 12 V\u003c\/li\u003e\n\u003cli\u003eOutput Voltage Stabilization: 2 % at extremes of temperatures, load, and input\u003c\/li\u003e\n\u003cli\u003eOutput Voltage Ripple (peak-peak): Max. 1 %\u003c\/li\u003e\n\u003cli\u003eMax. Output Power: 750 W\u003c\/li\u003e\n\u003cli\u003eNominal Output Power: 710 W\u003c\/li\u003e\n\u003cli\u003eMax. Output Current: 50 A\u003c\/li\u003e\n\u003cli\u003eOutput Charge Current (3-step mode): 50 A\u003c\/li\u003e\n\u003cli\u003eNominal Input Voltage: 24 V\u003c\/li\u003e\n\u003cli\u003eInput Voltage Range: 19-30 V\u003c\/li\u003e\n\u003cli\u003eMax. Input Current: 30 A\u003c\/li\u003e\n\u003cli\u003eGalvanic Isolation: No\u003c\/li\u003e\n\u003cli\u003eVoltage Limited: Yes\u003c\/li\u003e\n\u003cli\u003eEfficiency: \u0026gt; 95 % (at nom. input voltage, full load); peak 97\u003c\/li\u003e\n\u003cli\u003eParallel Configuration: Yes\u003c\/li\u003e\n\u003cli\u003eAlarm Contact: Yes, through MasterBus\u003c\/li\u003e\n\u003cli\u003eMasterBus Powering: No\u003c\/li\u003e\n\u003cli\u003eEngine Run Signal Input: Yes (active high\/active low)\u003c\/li\u003e\n\u003cli\u003eDIP Switches: Yes, for basic setup\u003c\/li\u003e\n\u003cli\u003eDimensions, H x W x D: 255 x 165 x 66 mm (10.0 x 6.5 x 2.6 inch)\u003c\/li\u003e\n\u003cli\u003eWeight: 2 kg (4.4 lb)\u003c\/li\u003e\n\u003cli\u003eCompliance: CE, E-Mark, SAE J1171  ISO 8846 Ignition Protected\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNo-load Consumption: \u0026lt; 2 mA\u003c\/li\u003e\n\u003cli\u003eCharge Characteristic: 3-traps+\u003c\/li\u003e\n\u003cli\u003eBattery Types: Flooded, Gel, AGM, spiral, Lithium Ion, traction, user-defined\u003c\/li\u003e\n\u003cli\u003e3-Step Charge Option: Yes (DIP switch settings)\u003c\/li\u003e\n\u003cli\u003eDC Consumption: \u0026lt; 5 mA\u003c\/li\u003e\n\u003cli\u003eConnections: 3 x M8 terminal for cable diameters of 10-50 mm, (positive input, positive output, joint negative connection) 8-pole screw connection for cable diameters of 0.75-1.5 mm (remote on\/off, temperature sensor, voltage measurement\u003c\/li\u003e\n\u003cli\u003eTemperature Range (ambient temp.): -25 degrees C to 60 degrees C; derating \u0026gt; 40\u003c\/li\u003e\n\u003cli\u003eCooling: Natural cooling\u003c\/li\u003e\n\u003cli\u003eProtection Degree: IP23\u003c\/li\u003e\n\u003cli\u003eProtections: Overload, over temperature, DC short circuit, reversed polarity (fuse)\u003c\/li\u003e\n\u003cli\u003eMasterBus Compatible: Yes\u003c\/li\u003e\n\u003c\/ul\u003e \u003c!--- cis2:m2lsl5xp ---\u003e\n\u003cp\u003e\u003cstrong\u003eMastervolt Mac Plus 24\/12-50 + CZone\u003c\/strong\u003e is a 50-amp DC-DC battery charger designed to provide fast, consistent charging for 12-volt service batteries from a 24-volt input source. It is well suited for marine, mobile, and other onboard power systems where smart alternators, start\/stop technology, or short trips can prevent service batteries from receiving a sufficient charge.\u003c\/p\u003e\u003cp\u003eUsing Mastervolt’s 3-step+ charging algorithm, the Mac Plus can charge flooded, Gel, AGM, spiral, lithium-ion, traction, and user-defined battery types, including LiFePO4. Engine-run detection helps prevent the unit from draining the starter battery, while adjustable current limits support modern Euro 5 and Euro 6 alternator systems. The charger can also provide stable output power for sensitive equipment, lighting, and other DC loads.\u003c\/p\u003e\u003cp\u003eThe fanless, naturally cooled design operates quietly and uses a durable aluminum housing for protection against dust and water ingress. Battery temperature compensation and voltage sensing help maintain the intended charging performance, while voltage stabilization supports connected equipment during changing input, load, and temperature conditions. Up to ten units can be configured in parallel for charging capacities exceeding 100 amps.\u003c\/p\u003e\u003cp\u003eFor integrated system monitoring and control, the Mastervolt Mac Plus supports MasterBus, CZone, and NMEA 2000. Basic setup is available through onboard DIP switches, with configuration support through MasterAdjust and CZone tools. Heavy-duty M8 terminals and screw connections support installation in compatible DC power systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e50-amp DC-DC charging from a 24-volt nominal input to a 12-volt nominal output\u003c\/li\u003e\n\u003cli\u003eSupports flooded, Gel, AGM, spiral, lithium-ion, traction, and user-defined battery types, including LiFePO4\u003c\/li\u003e\n\u003cli\u003eFanless natural cooling provides quiet operation\u003c\/li\u003e\n\u003cli\u003eEngine-run detection helps protect the starter battery from unwanted discharge\u003c\/li\u003e\n\u003cli\u003eMasterBus, CZone, and NMEA 2000 compatibility enables system monitoring and control\u003c\/li\u003e\n\u003cli\u003eParallel configuration supports charging capacities exceeding 100 amps\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Mastervolt\u003c\/li\u003e\n\u003cli\u003eModel: Mac Plus 24\/12-50 + CZone\u003c\/li\u003e\n\u003cli\u003ePart Number: 81205205\u003c\/li\u003e\n\u003cli\u003eNominal input voltage: 24 volts; input range: 19–30 volts\u003c\/li\u003e\n\u003cli\u003eNominal output voltage: 12 volts; output range: 10–15 volts\u003c\/li\u003e\n\u003cli\u003eMaximum output current: 50 amps\u003c\/li\u003e\n\u003cli\u003eMaximum output power: 750 watts; nominal output power: 710 watts\u003c\/li\u003e\n\u003cli\u003eCommunication protocols: MasterBus, CZone, and NMEA 2000\u003c\/li\u003e\n\u003cli\u003eBattery temperature sensor: Included\u003c\/li\u003e\n\u003cli\u003eBattery voltage sensing: Yes\u003c\/li\u003e\n\u003cli\u003eEngine-run signal input: Active high or active low\u003c\/li\u003e\n\u003cli\u003eCooling: Natural cooling\u003c\/li\u003e\n\u003cli\u003eProtection degree: IP23\u003c\/li\u003e\n\u003cli\u003eCompliance: CE, E-Mark, SAE J1171, and ISO 8846 Ignition Protected\u003c\/li\u003e\n\u003cli\u003eWeight: 4.4 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eChoose the Mastervolt Mac Plus 24\/12-50 + CZone for dependable 24-volt to 12-volt service-battery charging and seamless integration with modern onboard power systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSEO Meta Description:\u003c\/strong\u003e Mastervolt Mac Plus 24\/12-50 + CZone is a 50A 24V-to-12V DC-DC battery charger with silent operation and smart system integration.\u003c\/p\u003e\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eTruck Freight: No\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eOversized: No\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eOwners Manual Url: https:\/\/productimageserver.com\/literature\/ownersManual\/102660OM.pdf\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"Mastervolt","offers":[{"title":"Default Title","offer_id":44937057370201,"sku":"102660","price":603.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/1818\/2489\/files\/102660XL.jpg?v=1789837077","url":"https:\/\/www.marinepartsonly.com\/products\/mastervolt-mac-plus-24-12-50-czone-50a-24v-to-12v-dc-dc-battery-charger-81205205","provider":"Marine Parts Only","version":"1.0","type":"link"}