{"product_id":"12v-to-28v-charger-20a-40a-30a-50a-dc-dc-11v-to-16v-step-up-converter-constant-current-battery-for-28v-lead-acid-battery","title":"12V 28V Charger 20A 40A 30A 50A DC 11V 16V Step Up Converter Constant","description":"\u003cp\u003eDiscover the 12V 28V Charger 20A 40A 30A 50A DC 11V 16V Step Up Converter Constant — a standout decor pick featuring waterproof design for dependable, everyday performance.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cp\u003eApplication: 12V vehicles\u003c\/p\u003e\u003cp\u003eBrand Name: kangwobei,kangwobei\u003c\/p\u003e\u003cp\u003eCategories: 12V TO 28V 20A 30A 40A 50A 60A STEP UP DC DC CONVERTER\u003c\/p\u003e\u003cp\u003eCertification: CE,FCC,RoHS,UL\u003c\/p\u003e\u003cp\u003eCooling: free air convection\u003c\/p\u003e\u003cp\u003eEnclosures: IP68\u003c\/p\u003e\u003cp\u003eLine regulation: ±0.2%\u003c\/p\u003e\u003cp\u003eLoad regulation: ±0.2%\u003c\/p\u003e\u003cp\u003eModel Number: WH-24-12, WH-08-120, WH-12-56 \u003c\/p\u003e\u003cp\u003eOutput Current: 40A 30A 50A,40A 30A 50A\u003c\/p\u003e\u003cp\u003eOutput Frequency: 100KHZ,100KHZ\u003c\/p\u003e\u003cp\u003eOutput Type: SINGLE\u003c\/p\u003e\u003cp\u003eSize: 220*130*50mm\u003c\/p\u003e\u003cp\u003eTemperature coefficient: ±0.03%\/°C\u003c\/p\u003e\u003cp\u003eType: DC\/DC Converters\u003c\/p\u003e\u003cp\u003eVoltage accuracy: ±1.5%\u003c\/p\u003e\u003cp\u003eWarranty: 3 years\u003c\/p\u003e\u003cp\u003eWeight: 2200g,800g\/1800g\/2500g\u003c\/p\u003e\u003cp\u003eis_customized: Yes\u003c\/p\u003e\n\u003cp\u003eDC DC 11 to 16V Step Up Converter Charger 12V TO 28V 20A 30A 40A 50A 60A Constant Current Battery For 28V Lead Acid Battery\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cp\u003e100% full rated power\u003c\/p\u003e\u003c\/li\u003e \u003cli\u003e\u003cp\u003e100% full stable output current\u003c\/p\u003e\u003c\/li\u003e \u003cli\u003e\u003cp\u003e100% burn-in test\u003c\/p\u003e\u003c\/li\u003e \u003cli\u003e\u003cp\u003eHigh-efficiency up to 94%\u003c\/p\u003e\u003c\/li\u003e \u003cli\u003e\u003cp\u003eWaterproof sealed\u003c\/p\u003e\u003c\/li\u003e \u003cli\u003e\u003cp\u003eCooling by free air convection\u003c\/p\u003e\u003c\/li\u003e \u003cli\u003e\u003cp\u003eSurface mountable\u003c\/p\u003e\u003c\/li\u003e \u003cli\u003e\u003cp\u003e3 years warranty\u003c\/p\u003e\u003c\/li\u003e \u003cli\u003e\u003cp\u003eOver-current, over-voltage protections\u003c\/p\u003e\u003c\/li\u003e \u003cli\u003e\u003cp\u003eOver-temperature, shutdown, short-circuit, reverse polarity protections\u003c\/p\u003e\u003c\/li\u003e \u003cli\u003e\u003cp\u003eAccording to: EN 50498:2010 IP68\u003c\/p\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eThe 28V output model can charge 24V auxiliary battery.\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cbr\u003echarger Attention:\u003cbr\u003e1,This is automatically recognized by 12V and 24V vehicles,\u003cbr\u003e2,12V vehicle:Start at 13.5V and turn off at 12.5V\u003cbr\u003e3,24V vehicle:Start at 27V and turn off at 25V\u003cbr\u003e4,The input current is small, and the wire should be thick enough. If there is a voltage drop in the line, it will not work if the voltage is not enough\u003cbr\u003e5,for motor home\u003c\/p\u003e INSTALLATION STEPS\u003cbr\u003eFOUR TERMINAL WIRING:\u003cbr\u003eInput + to Battery +, Input- to Battery-.\u003cbr\u003eOutput + to Load +, Output- to Load -.\u003cbr\u003eFIVE TERMINAL WIRING:\u003cbr\u003e\"ACC\" is switch that means: can power some load in the car without starting the car.\u003cbr\u003eACC to Switch\/Ignition\u003cbr\u003eInput + to Battery +, Input- to Battery-.\u003cbr\u003eOutput + to Load +, Output- to Load-.\u003cbr\u003eIf no need the ACC function, then use clamp insert ACC and INPUT+ case is Oxidation Resistant Coatings to avoid rust. The counterfeit from others is no oxidation-resistant . \u003cp\u003eNotes:\u003c\/p\u003e \u003cp\u003ePlease connect the polarity correctly, or the converter will be burnt.\u003c\/p\u003e \u003cp\u003eThis DC\/DC Converter can't work as solar controller or wind controller.\u003c\/p\u003e \u003cp\u003eOther Policies\u003cbr\u003e1. We are not responsible for any custom duty or import tax.\u003cbr\u003e2. All emails will be answered within 24 hours. If you don' t receive our reply, please kindly re-sent your email and we will reply to you asap.\u003cbr\u003e\u003cbr\u003ePackaging and Shipping\u003cbr\u003e1.Product will be shipped within 1-2 business day after full payment is received and verified. 2. The transportation time is uncontrollable. Please wait patiently and continue to pay attention to the package dynamics. If you have any questions, please contact me immediately.\u003cbr\u003e\u003cbr\u003eDelivery Tips\u003cbr\u003eWhen you place an order, please choose a shipping method and pay for the order including the shipping fee (freight does not include any customs duties and other customs charges).\u003cbr\u003ePlease fill out the complete consignee name, address, telephone number, zip code,tax number.\u003cbr\u003eWhen the goods import into your country, at the time of delivery may produce some import tariffs and other customs fees because of the different national regulations, So the buyer will be responsible for tariffs and other customs fees. However, in our experience, this cost are rarely occur in small batch orders like us\u003cbr\u003e\u003cbr\u003eFeedback\u003cbr\u003e1.We rely on our reputation and customer satisfaction to succeed. Therefore,your feedback is extremely important to us. Please leave good feedback to us if you are satisfied with our goods and service.\u003cbr\u003e2. If you are unsatisfied with any aspect of our service,please send me a message us before leaving any negative feedback or opening anydispute on the site. We will help you solve the problem.\u003c\/p\u003e \u003cbr\u003e\u003ch3\u003eOptions\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e 12VTO 28V 30ACharger, 12VTO 28V 40ACharger, 12VTO 28V 20ACharger, 12VTO 28V 50ACharger\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e 12V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e 28V\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003ch4\u003eQ: What is the 12V 28V Charger 20A 40A 30A 50A DC 11V 16V Step Up?\u003c\/h4\u003e\u003cp\u003eA: The 12V 28V Charger 20A 40A 30A 50A DC 11V 16V Step Up is a quality decor pick. If there is a voltage drop in the line, it will not work if the voltage is not enough 5,for motor home INSTALLATION STEPS FOUR TERMINAL WIRING: Input + to Battery +, Input- to Battery-.\u003c\/p\u003e\u003ch4\u003eQ: How do I use the 12V 28V Charger 20A 40A 30A 50A DC 11V 16V Step Up?\u003c\/h4\u003e\u003cp\u003eA: The 12V 28V Charger 20A 40A 30A 50A DC 11V 16V Step Up is ready to use right out of the box and makes an easy addition to your decor lineup.\u003c\/p\u003e\u003ch4\u003eQ: Why choose the 12V 28V Charger 20A 40A 30A 50A DC 11V 16V Step Up?\u003c\/h4\u003e\u003cp\u003eA: The 12V 28V Charger 20A 40A 30A 50A DC 11V 16V Step Up stands out in our decor range — Output + to Load +, Output- to Load -.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the 12V 28V Charger 20A 40A 30A 50A DC 11V 16V Step Up?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 12V 28V Charger 20A 40A 30A 50A DC 11V 16V Step Up is a quality decor pick. 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