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07/07/2026
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OUPES B5 Dual Ports Extra 5040Wh Expansion Battery for Mega 5 Power Station

Product guides and documents About this item【Smart App Control】Using the OUPES app via Wi-Fi or Bluetooth. Monitor the real-time status (including remaining battery level, estimated running time, and input/output wattages) and customize the settings according to your needs.【Portable RV Power】Bid farewell to noisy, fume-filled gas generators and relish peaceful, green, maintenance-free power wherever your RV adventures take you. Charge your camping accessories, or plug into a shore power outlet to directly power your RV’s electrical system.【Charge Anytime, Anywhere】B5 Extra Battery benefits from all the charging methods MEGA 5 has, including 2000W AC Charge. Just plug the generator directly into your extra battery via the port on the back. This works even when disconnected from your MEGA 5.【Safety LiFePO4 Battery】Industry-Leading Safety for Worry-free Use, with an extra short circuit protection button and an embedded security chip, the MEGA 5 ensures a more reliable and versatile charging experience.【What You Get】 OUPES B5 expansion battery, charging cable, user manual, 2-year warranty and friendly online customer service.PaymentTroubleshootingWarranty & ReturnAbout OUPESContact DetailsPayment1. We accept ebay-approved and available payment methods2. Payment must be within 8 days after you ordered the item.3. If you have any questions about failed order payments, please consult ebay customer service TroubleshootingIf you get an error on your device and there is an error code on the screen, you can refer to this instruction documentError Code Summary >>> FAQWhy is the power station charging slowly? How can I solve this? 1. If the temperature is too high, turn off the unit or stop the load, this will let it cool down. 2. If the temperature is too low for charging, place the unit somewhere warmer or let electrical appliances discharge it for a while. 3. The charging power of the unit is related to the battery level. When the unit starts charging from 0% or is about to be fully charged, it is normal that the charging power is low.Battery Runs Down Too Quickly 1. Please check if there are external high-power electrical appliances. If the power of the connected electrical appliance is about the same as the battery capacity, the battery will run out in about 1 hour. 2. Perform a complete charge and discharge for an SoC calibration.Unable to Fully Charge to 100% Perform three times SoC calibration by doing three complete charges and discharges.Why is my power station input power hopping when i try to charge it? How do i fix this? To fix this, try charging and discharging the unit 3 times. If it still occurs, please provide a video demonstrating the issue and contact us Why does the car charging port not output any power? 1. Confirm whether the DC switch is turned on, and the DC switch will light up to indicate it is on. 2. Try to replace the head of the charger to see whether the cable is faulty 3. If none of the above methods work, provide a video explaining the fault and contact us Why is the car charger not working? 1. Please confirm whether the car cigarette lighter has normal voltage and power output. 2. Try using a solar panel to charge the power station. If the solar panel can be used to charge, it means that there is a problem with the car charger to XT60 cable. Change the cable, and if the solar panel still cannot be used to charge, then contact us Won’t Charge Appliances 1. If charging from an AC outlet, check that the AC switch is turned on. The same goes for DC outlets. 2. If the AC or DC switch is turned on, and it still cannot charge, confirm whether the output power of power station meets the rated charging power of the electrical appliance. 3. When the power from a DC source and car charger is less than 1 watt, the charging power won’t display, but the actual device is charging, try charging another appliance with a larger wattage to see if the charging power displays. 4. When the screen displays an overload alarm, the charging power is too high. Shut down it and leave it to cool down for 30 minutes or try using a low-power device before charging again. If there is still an overload prompt, take a photo or video and contact us 5. The AC switch will automatically turn off after 12 hours if the power of the electrical appliance is less than 10W.Warranty & Return1.All OUPES power stations come with a 3-year warranty and lifetime technical support,1 year warranty for solar panels2.Defective products must be returnedwithin 30 days.The returns should be returned with our original packages. 3.Customers must contact us first for the return address.4.Please contact us through ebay, your message will be replied within 5-15 hours(working days), If you have any problem about the order, please don’t open the return or dispute case immediately, please contact us first, we will try our best to help you, thank you! About OUPES About OUPES Help Program In the heat of a West Texas summer in 2021, Martin, the visionary CEO behind Oupes, found himself holding the results of a company-wide market research initiative. The study, meant to enhance the Oupes product line, inadvertently opened a window into the profound impact of their portable solar power stations on people’s lives. One response, in particular, caught his eye: a family using an Oupes portable power station to keep their child’s medical equipment running during frequent power outages. Martin, deeply moved, knew that this was more than just feedback; it was a calling. He could have used this insight to simply improve product design, but he envisioned a greater opportunity — a chance to empower lives beyond the transactional customer-company relationship. Our Impactful Contributions Joe and Lydia Cook: I came aware of your program while watching Pinballpreparedness@proton youtube channel. He demonstrated your product and was very impressed. He also mentioned your help program and at that time my wife was not on oxygen. She became extremely ill a short time later and requires oxygen 24/7. It was then that I realized if we have grid problems it would be fatal to her. Pinball has repeatedly expressed is opinion of your product and he says it definitely is well made and dependable. From the short time we have had the unit we are very impressed. We have already told most of our prepper friend of how impressed we are with it. A few of them took advantage of your sale . Thank you again. Doug&Brenda ScottAndrea N Ashley & Donna Cathy and EddieKimberly G Contact DetailsPlease contact us through ebay, your message will be replied within 5-15 hours(working days), If you have any problem about the order, please don’t open the return or dispute case immediately, please contact us first, we will try our best to help you, thank you!

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03/07/2026
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EcoFlow 3200W DC Fast Charging Dual Fuel Smart Generator with LPG Gas Support

Feature： [Reliable Power You Can Trust] This portable dual fuel inverter generator, capable of achieving 3200W DC fast charging, saves 40% of fuel during full charging of the EcoFlow DELTA Pro 3. This results in 1kWh more power per gallon of fuel, enhancing battery life. [No Fuss, Just Power.] Offering 7 quick start and 6 quick shutdown methods, this portable power station allows users to control start/stop with a single click. Use the EcoFlow app to monitor and manage energy consumption, equipment operation, and receive maintenance prompts for easy upkeep. Its portable handle design ensures easy movement for starting backup power anywhere, anytime. [Dual Fuel, Double Assurance] With LPG and gasoline, this dual fuel generator ensures quick access to backup power, alleviating concerns about fuel shortages during emergencies. Easily connect a 20 lb propane tank for up to 24kWh of power. The smart engine produces 8kWh from a single gasoline tank, providing 8 hours of power for home appliances at 25% load. [Smart Moves, Effortless Backup] Experience 4 easy start modes: customizable start, night-care mode automatic start, PV-priority mode automatic start, and smart reverse charging automatic start. These modes offer an intelligent solution for your power needs throughout the day. Whether it’s a quiet night, a busy day, or an emergency, ensure a stable and reliable power supply. [Reliability Lasts Longer] Utilize the EcoFlow app for real-time alerts, including CO concentration, high & low-temperature warnings, engine oil alerts, and overload alerts. All features trigger automatic shutdowns for enhanced safety (excluding fuel alerts). Enjoy a longer 3-year warranty period for peace of mind in both use and purchase. *The EcoFlow Smart Generator is currently compatible with EcoFlow DELTA Pro 3 and EcoFlow DELTA Pro, but the firmware must be updated to the latest version for compatibility.

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03/07/2026
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EcoFlow 3200W DC Fast Charging Dual Fuel Smart Generator for Home Power Backup

Feature： *Due to local regulations, this product is NOT CARB-approved. Cannot be shipped to California. [Reliable Power You Can Trust] This portable dual fuel inverter generator, capable of achieving 3200W DC fast charging, saves 40% of fuel during full charging of the EcoFlow DELTA Pro 3. This results in 1kWh more power per gallon of fuel, enhancing battery life. [No Fuss, Just Power.] Offering 7 quick start and 6 quick shutdown methods, this portable power station allows users to control start/stop with a single click. Use the EcoFlow app to monitor and manage energy consumption, equipment operation, and receive maintenance prompts for easy upkeep. Its portable handle design ensures easy movement for starting backup power anywhere, anytime. [Dual Fuel, Double Assurance] With LPG and gasoline, this dual fuel generator ensures quick access to backup power, alleviating concerns about fuel shortages during emergencies. Easily connect a 20 lb propane tank for up to 24kWh of power. The smart engine produces 8kWh from a single gasoline tank, providing 8 hours of power for home appliances at 25% load. [Smart Moves, Effortless Backup] Experience 4 easy start modes: customizable start, night-care mode automatic start, PV-priority mode automatic start, and smart reverse charging automatic start. These modes offer an intelligent solution for your power needs throughout the day. Whether it’s a quiet night, a busy day, or an emergency, ensure a stable and reliable power supply. [Reliability Lasts Longer] Utilize the EcoFlow app for real-time alerts, including CO concentration, high & low-temperature warnings, engine oil alerts, and overload alerts. All features trigger automatic shutdowns for enhanced safety (excluding fuel alerts). Enjoy a longer 3-year warranty period for peace of mind in both use and purchase. *The EcoFlow Smart Generator is currently compatible with EcoFlow DELTA Pro 3 and EcoFlow DELTA Pro, but the firmware must be updated to the latest version for compatibility.

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03/07/2026
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OUPES Mega 2 Portable Power Station 2500W/2048Wh Solar Generator LiFePO4 Battery

All OUPES power stations come with a 3-year warranty and lifetime technical support. 1 year warranty for solar panel Integration with Home CircuitsBuild up your home backup system to keep your essentials circuits running when a blackout hits. Ensure peace of mind with the easily integrated whole-home backup kit: OUPES Mega Series , Pro/Tran 2® Transfer Switch Kit, and NEMA TT-30P to L14-30R Cord. RV Living Made Easy With OUPES Mega 2, you can take home with you, wherever you go. It features wheels and a suitcase-esque extendable handle that makes transport easy. And if you’re looking for a complete power solution for RV road trips and outdoor adventures. Recommend by About OUPES Mega 2[Long-lasting LFP Battery] LiFePO4 battery ensures a lifespan of more than 3500 cycles at 80% capacity, delivering up to 7 times longer than normal batteries. That’s 7 times more than the industry average and more cost-effective. Upgraded LFP batteries last 10+ years.[Expandable from 2kWh to 10kWh] Quadruple the capacity of Mega2 with 4 extra batteries. Customize your energy depending on your needs. With a plug-and-play design, it’s easier than ever to prepare for blackouts.[Easy to Use] Our Mega 2 have 2048Wh supports charging up to 16 devices simultaneously, including 5*AC outlets with continuous 2500W pure sine wave providing enough juice to charge your refrigerator, CPAP, etc.[Fuel up in Only 36 Mins] With proprietary OP upgraded tech, combine up to 2100W solar input with 1600W AC for world-leading charging speeds. In only 36 min get full charge. Or stick with AC for full charge in a speedy 1.3 hour.[Warranty & Package] OUPES Mega series offers you amazing 3 year warranty and friendly customer service. Package Included: 1* OUPES MEGA 2 2500W power station, 1* AC charging cable, 1* Anderson to Anderson Cable, 1*7909 to Anderson Charging Cable, 1*Car to Anderson Charging Cable, 1*MC4 to Anderson Charging Cable, 1* user manual. How to calculate the time to charge power station with solar panel? Typically, solar panels have an energy conversion efficiency of 85%, so when you have a 100w solar panel, its charging efficiency is about 85w. Please note that the combined power of your solar panels should not exceed the maximum input power of the power station. The estimated time is only for reference, please judge the actual situation according to the weather condition. Example: You have 6 x 240w solar panels in series, how long does it take to fully charge a 5040wh Mega 5? Mega 5 has a maximum solar power input of 2100w. 1—-6x240w=1440w (total solar panel power) 2—-1440wx85%=1224w (solar power available) 3—-5040Wh/1224w=around 4.11h (Estimated full charge time)Extra Solar Panel Specification(Optional): Extra Battery Specification(Optional):Note: B2 extra battery can only be used to expand OUPES Mega 2 or Mega 3 power station, it can’t be used on other OUPES power station or other brands of power station, please don’t make wrong connection! PaymentDelivery detailsWarranty & ReturnAbout usContact DetailsPayment1. We accept ebay-approved and available payment methods2.Payment must be within 8 days after you ordered the item. Delivery details1.We cannot arrange shipments on weekend or public holidays.2.Your orders will be shipped out within 1-2 business days after payment received.3.If there is any question about delivery details,please contact us, we’re alwasys at your service.Warranty & Return1.All OUPES power stations come with a 3-year warranty and lifetime technical support,1 year warranty for solar panels2.Defective products must be returnedwithin 30 days.The returns should be returned with our original packages. 3.Customers must contact us first for the return address.4.Please contact us through ebay, your message will be replied within 5-15 hours(working days), If you have any problem about the order, please don’t open the return or dispute case immediately, please contact us first, we will try our best to help you, thank you! About usAt OUPES, we are a dedicated team of expert engineers specializing in meeting the solar power demands for outdoor adventures, home emergencies, travel, fishing, and RV/Van camping. With a strong focus on product innovation and quality improvement, our engineers strive to create the safest and most reliable portable solar power solutions. We are committed to delivering products that not only meet, but exceed your expectations, ensuring all your portable solar power needs are met with the utmost safety and responsibility Our Mission—–With a focus on environmental responsibility, our mission is to provide affordable and portable solar products that empower individuals and communities to embrace clean energy alternatives. Together, we can create a brighter and more sustainable future.Our Vision——We envision a future where affordable and reliable power stations are readily available, empowering individuals and communities to embrace sustainable energy solutions and pave the way for a greener, more prosperous world. Our Impactful Contributions Joe and Lydia Cook: I came aware of your program while watching Pinballpreparedness@proton youtube channel. He demonstrated your product and was very impressed. He also mentioned your help program and at that time my wife was not on oxygen. She became extremely ill a short time later and requires oxygen 24/7. It was then that I realized if we have grid problems it would be fatal to her. Pinball has repeatedly expressed is opinion of your product and he says it definitely is well made and dependable. From the short time we have had the unit we are very impressed. We have already told most of our prepper friend of how impressed we are with it. A few of them took advantage of your sale . Thank you again. Doug&Brenda Brenda and I want to thank OUPES HELP for the 1800w solar generator to run her medical equipment. It was a Blessing to get it just before the hurricane came up the west coast of Florida. The look on Brenda’s face was heart-wrenching, you could tell she had peace of mind now for the first time in a storm situation. We wreathed the storm pretty well being north of Clearwater but in Pasco County and only about a mile or two from the Gulf. So many got hit hard with much more damage due to the storm surge and high winds at times. We did have a few leaks in the roof that we now need to address, but over all, we feel Blessed in so many ways. Again thank you OUPES HELP and Bless you! Scott Life has thrown me a lot of ups and downs but I stay strong and keep going ahead. I thank you very much for reaching out to me and helping others in tough situations. It’s great there are great people and great companies out there to help people who are in need. I have been telling all of my friends and families about OUPES products and how they can help them during power outages or camping. Again I want to thank OUPES and I appreciate what you all have done for me and my mom and helping other folks in need. It is a very excellent program and thank OUPES for having it to help us all out. Having it and having medical conditions is a big piece of mind lifted off of my shoulders. Thank you again and have a blessed day!I found out about your company and the Oupes Help project through a YouTube channel called Pinball Preparedness. He always speaks very highly of both your products and your company. After I saw his video, I went to your website to learn more about the program and get registered to get product information and sales promotions. I was amazed that there are companies like yours that go out of their way to help kids like ours. Even minor power outages are stressful for parents like us when our kids require electricity 24 hours a day to survive. Having a backup power source really takes a lot of anxiety and worry away. The application process was so easy and it felt good knowing I could give someone something that could save a life. Recommend byContact DetailsPlease contact us through ebay, your message will be replied within 5-15 hours(working days), If you have any problem about the order, please don’t open the return or dispute case immediately, please contact us first, we will try our best to help you, thank you!

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03/07/2026
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OUPES B2 Extra 2048Wh Battery for Power Station Mega 2 Mega 3 Solar Generator

About this item[Long-lasting LFP Battery] LiFePO4 battery ensures a lifespan of more than 3500 cycles at 80% capacity, delivering up to 7 times longer than normal batteries. That’s 7 times more than the industry average and more cost-effective. Upgraded LFP batteries last 10+ years.[Expandable from 2kWh to 10kWh] Quadruple the capacity of Mega2 with 4 extra batteries. Customize your energy depending on your needs. With a plug-and-play design, it’s easier than ever to prepare for blackouts.[Easy to Use] Our Mega 2 have 2048Wh supports charging up to 16 devices simultaneously, including 5*AC outlets with continuous 2500W pure sine wave providing enough juice to charge your refrigerator, CPAP, etc.[Fuel up in Only 36 Mins] With proprietary OP upgraded tech, combine up to 2100W solar input with 1600W AC for world-leading charging speeds. In only 36 min get full charge. Or stick with AC for full charge in a speedy 1.3 hour.[Warranty & Package] OUPES Mega series offers you amazing 3 year warranty and friendly customer service. Package Included: 1* OUPES MEGA 2 2500W power station, 1* AC charging cable, 1* Anderson to Anderson Cable, 1*7909 to Anderson Charging Cable, 1*Car to Anderson Charging Cable, 1*MC4 to Anderson Charging Cable, 1* user manual.PaymentTroubleshootingWarranty & ReturnAbout OUPESContact DetailsPayment1. We accept ebay-approved and available payment methods2. Payment must be within 8 days after you ordered the item.3. If you have any questions about failed order payments, please consult ebay customer service TroubleshootingIf you get an error on your device and there is an error code on the screen, you can refer to this instruction documentError Code Summary >>> FAQWhy is the power station charging slowly? How can I solve this? 1. If the temperature is too high, turn off the unit or stop the load, this will let it cool down. 2. If the temperature is too low for charging, place the unit somewhere warmer or let electrical appliances discharge it for a while. 3. The charging power of the unit is related to the battery level. When the unit starts charging from 0% or is about to be fully charged, it is normal that the charging power is low.Battery Runs Down Too Quickly 1. Please check if there are external high-power electrical appliances. If the power of the connected electrical appliance is about the same as the battery capacity, the battery will run out in about 1 hour. 2. Perform a complete charge and discharge for an SoC calibration.Unable to Fully Charge to 100% Perform three times SoC calibration by doing three complete charges and discharges.Why is my power station input power hopping when i try to charge it? How do i fix this? To fix this, try charging and discharging the unit 3 times. If it still occurs, please provide a video demonstrating the issue and contact us Why does the car charging port not output any power? 1. Confirm whether the DC switch is turned on, and the DC switch will light up to indicate it is on. 2. Try to replace the head of the charger to see whether the cable is faulty 3. If none of the above methods work, provide a video explaining the fault and contact us Why is the car charger not working? 1. Please confirm whether the car cigarette lighter has normal voltage and power output. 2. Try using a solar panel to charge the power station. If the solar panel can be used to charge, it means that there is a problem with the car charger to XT60 cable. Change the cable, and if the solar panel still cannot be used to charge, then contact us Won’t Charge Appliances 1. If charging from an AC outlet, check that the AC switch is turned on. The same goes for DC outlets. 2. If the AC or DC switch is turned on, and it still cannot charge, confirm whether the output power of power station meets the rated charging power of the electrical appliance. 3. When the power from a DC source and car charger is less than 1 watt, the charging power won’t display, but the actual device is charging, try charging another appliance with a larger wattage to see if the charging power displays. 4. When the screen displays an overload alarm, the charging power is too high. Shut down it and leave it to cool down for 30 minutes or try using a low-power device before charging again. If there is still an overload prompt, take a photo or video and contact us 5. The AC switch will automatically turn off after 12 hours if the power of the electrical appliance is less than 10W.Warranty & Return1.All OUPES power stations come with a 3-year warranty and lifetime technical support,1 year warranty for solar panels2.Defective products must be returnedwithin 30 days.The returns should be returned with our original packages. 3.Customers must contact us first for the return address.4.Please contact us through ebay, your message will be replied within 5-15 hours(working days), If you have any problem about the order, please don’t open the return or dispute case immediately, please contact us first, we will try our best to help you, thank you! About OUPES About OUPES Help Program In the heat of a West Texas summer in 2021, Martin, the visionary CEO behind Oupes, found himself holding the results of a company-wide market research initiative. The study, meant to enhance the Oupes product line, inadvertently opened a window into the profound impact of their portable solar power stations on people’s lives. One response, in particular, caught his eye: a family using an Oupes portable power station to keep their child’s medical equipment running during frequent power outages. Martin, deeply moved, knew that this was more than just feedback; it was a calling. He could have used this insight to simply improve product design, but he envisioned a greater opportunity — a chance to empower lives beyond the transactional customer-company relationship. Our Impactful Contributions Joe and Lydia Cook: I came aware of your program while watching Pinballpreparedness@proton youtube channel. He demonstrated your product and was very impressed. He also mentioned your help program and at that time my wife was not on oxygen. She became extremely ill a short time later and requires oxygen 24/7. It was then that I realized if we have grid problems it would be fatal to her. Pinball has repeatedly expressed is opinion of your product and he says it definitely is well made and dependable. From the short time we have had the unit we are very impressed. We have already told most of our prepper friend of how impressed we are with it. A few of them took advantage of your sale . Thank you again. Doug&Brenda ScottAndrea N Ashley & Donna Cathy and EddieKimberly G Contact DetailsPlease contact us through ebay, your message will be replied within 5-15 hours(working days), If you have any problem about the order, please don’t open the return or dispute case immediately, please contact us first, we will try our best to help you, thank you!

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