{"product_id":"tbb-power-dm-series-dc-dc-charger-45a","title":"TBB Power DM Series DC-DC charger 45A","description":"\u003ch2\u003eTBB Power DM Series DC-DC charger 45A\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003eTBB-DM1245\u003cspan\u003e \u003c\/span\u003eis a highly efficient in-vehicle DC-DC charger specifically designed for on-board applications such as RVs, marine vessels, utility vehicles, and trucks. This unit ensures optimal charging for leisure batteries, even in vehicles equipped with Euro-6 engines and smart alternators, which have variable voltage output.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"bullet\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh efficiency:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNon-isolated design with a maximum efficiency of 96%, ensuring minimal energy loss.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEuro-6 engine compatibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCapable of properly and fully charging leisure batteries with a wide variable voltage output from the engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced charging algorithm:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUtilises TBB Premium II multi-stage charging algorithm for optimal battery charging performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupports multiple battery types:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCompatible with Gel, AGM, Lead-acid, and Lithium (LiFePO4) batteries.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in temperature compensation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAutomatically adjusts charging voltage based on battery temperature to prevent overcharging or undercharging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-play installation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDesigned for quick and easy installation with minimal setup required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePassive cooling:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNaturally cooled without the need for a fan, ensuring silent operation and enhanced reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRS485 communication support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnables integration into monitoring and control systems for advanced functionality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures safeguards against input\/output over-voltage, output over-current, short circuit, internal over-temperature, and battery temperature extremes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBack-charging function:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAllows power to flow from the target battery to the source battery (0-3A), preventing engine start up failure due to a drained source battery (\u003cstrong\u003eonly works with D+ connection\u003c\/strong\u003e).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAutomatic alternator detection\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen both the alternator and auxiliary battery are properly connected, the DM1245 automatically detects whether the engine is running—either through the D+ signal or by sensing alternator output voltage. Based on this, it intelligently decides whether to begin charging the auxiliary battery and power the DC load from the alternator, or to power the DC load from the auxiliary battery.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEfficient and adaptive charging\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003eDM1245\u003cspan\u003e \u003c\/span\u003eDC-DC charger optimizes battery charging using the TBB Premium II algorithm. This microprocessor-controlled system adjusts the absorption charging timer based on battery discharge state, ensuring efficient and complete charging. The float charging feature also maintains the battery's health over extended periods of connection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTemperature compensation for optimal charging\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBattery temperature significantly impacts charging performance. The included Battery Temperature Sensor (BTS) measures real-time temperature and adjusts the charging voltage accordingly. The default compensation rate is –3mV\/°C\/cell, ensuring batteries are charged under optimal conditions. If the BTS is not connected, the charger defaults to 25°C settings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSmart power management\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe DM1245\u003cspan\u003e \u003c\/span\u003eactively monitors its internal temperature and dynamically adjusts output power to prevent overheating. As the temperature rises, the charger will de-rate its output power to maintain safe operating conditions, ensuring long-term reliability and performance.\u003c\/p\u003e\n\u003cp\u003eWith its combination of high efficiency, intelligent charging, and robust protection features, the\u003cspan\u003e \u003c\/span\u003eTBB-DM1245\u003cspan\u003e \u003c\/span\u003eDC-DC charger is an ideal solution for ensuring reliable battery charging in a wide range of vehicle and marine applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"bullet\"\u003e\n\u003cli\u003eSource battery rated voltage: 12V\u003c\/li\u003e\n\u003cli\u003eTarget battery rated voltage: 12V\u003c\/li\u003e\n\u003cli\u003eAlternator input voltage: 13.2V - 16VDC\u003c\/li\u003e\n\u003cli\u003eMaximum charging current of target battery: 45A\u003c\/li\u003e\n\u003cli\u003eMaximum charging efficiency: 96%\u003c\/li\u003e\n\u003cli\u003eAbsorption charge voltage: 14.4V (AGM), 14.1V (GEL), 14.2V (LiFePO4), 14.7V (WET)\u003c\/li\u003e\n\u003cli\u003eFloat charge voltage: 13.5V (AGM), 13.7V (GEL), 14.0V (LiFePO4), 13.5V (WET)\u003c\/li\u003e\n\u003cli\u003eTemperature compensation: -3mV\/°C\/2V\u003c\/li\u003e\n\u003cli\u003eOperating temperature: -40°C to 70°C\u003c\/li\u003e\n\u003cli\u003eWeight: 1.0kg\u003c\/li\u003e\n\u003cli\u003eDimensions: 181 x 148 x 52mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis product is covered by a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e5 year manufacturer warranty\u003c\/strong\u003e.\u003c\/p\u003e","brand":"The Van Build","offers":[{"title":"Default Title","offer_id":57766680265052,"sku":null,"price":219.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/2547\/9260\/files\/1738751700_05943100.png?v=1780152286","url":"https:\/\/thevanbuild.co.uk\/products\/tbb-power-dm-series-dc-dc-charger-45a","provider":"The Van Build","version":"1.0","type":"link"}