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CE RoHS Certified 3.8kwh 80A 220V Big Power Bank Charger Camping Outdoor Gear Solar Energy for Emergency Power Supply 2 Years Warranty Product Details Rated Voltage25.6VAC Output220V/1.5kWStandard Capacity150AhAC Output Frequency50HZContinuously Use Input Current 80ASelf-Discharge<3%/monthContinuously Use Output Current 80ADepth of DischargeUp to 5%Charging Voltage28.8V-30VCharge Method(CC/AC)Solar or MainsCut-off2.5V single cellOperation/Recommendation-20ºC-70ºC/10ºC-45ºC Certificates & ExhibitionFactory & Packing Our AdvantagesChoose us you can have a portable generator with 3800Wh Choose us you can charge the machine with solar energy or mains electricityChoose us you can have Lithium battery inside the productsChoose us you don't need to buy a inverter Choose us you can have 2 years warranty F&AQ1:Can I have a sample order ? A: Yes, we welcome sample order to test and check quality. Q2:Can you provide certificate for your product?A: We can provide certificate like CE.Q3: Can I put my logo on your products?A: We can offer our products with no logo and you can stick your logo on the products.Q4:Can you guarantee the quality of the products?A: Yes, we provide 2 years warranty.Q5:What kind of battery inside the machine, will it be safe?A: We use Lithium battery inside the product and the machine can be used safely between -4ºFand 158ºF .