About this item
FREMO X300 is the industry leading flagship portable power station delivering ultimate performance. Equipped with a capacity of 276Wh, the FREMO X300 portable power station can meet most of your charging needs for daily use and outdoor adventures. With 9 output ports and its lightweight design of only 8 lbs, you can keep all your gear powered wherever you go..
Premium battery
Equipped with EVE lithium-ion battery, the world's leading battery cell manufacturer for new energy electric vehicle, with reliable quality and a cycle life of 600+.
Safe and reliable
The FREMO X300 is safe and eco-friendly. The built-in Battery Management System (BMS) and pure sine wave inverter protect your sensitive devices from damage.
Multiple charging ways
Supports USB-C PD 100W charging and standard adapter charging.
Portable and stylish
The FREMO X300 portable power station has a user-friendly design, small size, and durable leather handle, making it lightweight with only 8lbs, stylish, and easy to carry.
Key Specs
Capacity276 watt hoursMaximum Battery Life1000 hours
General
Product NameX300 276 Watt Battery Powered Portable Generator (276 Wh Capacity)BrandFremoModel NumberX300ColorGreyColor CategoryGray
Performance
Capacity276 watt hoursMaximum Battery Life1000 hoursBattery ChemistryLithium-iron phosphateMaximum Runtime At Full Load1 hoursVoltage Rating110 volts
Power Input
Power Supply InputSolar panel
Power Output
Rated Wattage Continuous300 wattsRated Wattage Peak600 wattsMaximum Output Amperage26 amperes
Dimensions
Product Height6.65 inchesProduct Width6.46 inchesProduct Length9.76 inchesProduct Weight8.1 pounds
Features
Signwave InverterYes
Warranty
Manufacturer's Warranty - Parts1 yearManufacturer's Warranty - Labor1 year
Other
UPC860008973382
Search
- A: AnswerYes your right it is false advertising and all on the sellers seem to be doing it.Its a battery tiny at the with a small inverter in a box with a quarter of a kilowatt at best! You can buy one mariner battery and a cheap inverter for a lot less and have four times as much power.
Answered by Anonymous
Q: QuestionCan this handle a CPAP machine overnight?(1 answer)
A: AnswerIt depends on your CPAP wattage. The power of X300 is 276Wh, if your CPAP is 30W, X300 can normally run your CPAP for 7.8H before you need to recharge. (276*0.85/30=7.8H)Answered by Anonymous
Q: QuestionWhen it says "Maximum Battery Life - 1000 hours" what does that mean, exactly?(3 answers)
A: AnswerI think 1000 hours is just for reference. The battery life mainly depends on how you use your X300. Due to the characteristic of the lithium battery, the battery capacity will degrade gradually after the charging and recharging cycle. The capacity will remain 80%+ after 600-800 cycles, and 60%+ after 800-1000 cycles. That’s to say, if you use a device with 250 watts, X300 can support this device for 1 hour (with the 276Wh battery) before you need to recharge. And even 1000 hours/cycles later, you can still use your X300, but the battery capacity would degrade.Answered by Anonymous
- A: AnswerNo it does not "generate", it is NOT A GENERATOR... it is a portable battery backup.
Answered by Anonymous
- A: AnswerNo, it is not grounded. But yes, it allows a 3-prong plug to be inserted. Basically the ground part goes into an empty cavity.
Answered by Jeff
- A: AnswerI purchased a brand new unit and had the same issue. Even in use it does not last long. Unfortunately by the time I realized the unit was inadequate it was too late to return.
Answered by Anonymous
- A: AnswerUSB Type-C PD 100W is also a fast charging port. So if this port is used, 100W. If you use the DC input is limited to 80W I believe. Using the stock AC charger is 60W.
Answered by BillW50
Q: QuestionCan this unit be charged with solar panels?(2 answers)
A: AnswerYesAnswered by JefferyT
Review Summary
Rating 4.6 out of 5 stars with 178 reviews
4.6Rating by feature
- 4.5Value
Rating 4.5 out of 5 stars
- 4.6Quality
Rating 4.6 out of 5 stars
- 4.7Ease of Use
Rating 4.7 out of 5 stars
Customers are saying
Customers find value in the portability of the X300 276 Watt Battery Powered Portable Generator, praising its compact size and lightweight design that makes it convenient for outdoor activities like camping and road trips. They also appreciate its long battery life and fast charging capabilities, providing reliable power during power outages and emergencies. Additionally, customers highlight the multiple ports available for charging various devices simultaneously.
This summary was generated by AI based on customer reviews.
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Fremo - X300 276 Watt Battery Powered Portable Generator (276 Wh Capacity) - Grey
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