300W portable power station, 259Wh Solar Generator, RVs, hiking, and as a home emergency backup power source.
In 200+ people's carts
YEWPINY

300W portable power station, 259Wh Solar Generator, RVs, hiking, and as a home emergency backup power source.

|17 ratings
300W portable power station, 259Wh Solar Generator, RVs, hiking, and as a home emergency backup power source.300W portable power station 259Wh Solar Generator RVs hiking and as a home emergency backup power source
Continuous Wattage300 Watts

Key item features

  • Compact & Lightweight Body: Weighs merely 7.17 lbs for effortless portability. It supports simultaneous charging and discharging, perfect for outdoor trips and unexpected power outages. An ideal power companion for camping, road trips and daily use.
  • Pure Sine Wave Output for Wide Application: Equipped with a built-in 259Wh LiFePO4 battery, it delivers clean, stable and safe electricity that won’t harm sensitive electronics. Compatible with laptops, drones, car refrigerators and a full range of small household appliances.
  • Deep Cycle Long-Life Battery: This portable power station boasts over 2,000 charge-discharge cycles for extended service life. Three charging options are available: wall outlet charging, car charging and solar panel charging.
  • Smart BMS Protection & Efficient Cooling System: The integrated BMS (Battery Management System) safeguards against short circuits, overcurrent, overvoltage, overload and other malfunctions. Paired with an intelligent heat dissipation structure, it keeps the unit operating at a proper temperature for consistent reliable performance both indoors and outdoors.
  • Versatile Ports & Fast Charging: Features 8 output ports in total, with 100W DC input and 65W Type-C input. It can power up to 8 devices concurrently, delivering dependable power supply for travel, work, outdoor expeditions and more scenarios.
  • Solar Panel Ready: Lightweight portable power station supports solar recharging, making it ideal for long-term off-grid power needs.

Specs

Battery capacity, 70000 mAhContinuous wattage, 300 WattsSurge wattage, 300 WattsBrand, YEWPINYBattery charge cycles, 2000Outlets, 8

About this item

Product details

YEWPINY EM300 portable power station delivers consistent power output for outdoor activities and home emergency use. Equipped with a built-in 259Wh LiFePO4 battery and a 300W rated output power, this unit works well with a wide range of daily electronic devices. It features 8 multi-functional output ports to support simultaneous power supply for multiple devices, meeting diverse daily power needs. Compatible with solar panel charging, this power station fits versatile usage scenarios, including camping, RV travel, outdoor exploration, and home power outage emergencies. Built with a professional BMS (Battery Management System), the unit monitors operating status in real time and provides effective protection against over-voltage, under-voltage, overload, short circuit, and overheating. Boasting a compact, lightweight and sturdy structure, the EM300 power station is easy to carry and store, perfectly suitable for daily household use and outdoor adventures.
  • Compact & Lightweight Body: Weighs merely 7.17 lbs for effortless portability. It supports simultaneous charging and discharging, perfect for outdoor trips and unexpected power outages. An ideal power companion for camping, road trips and daily use.
  • Pure Sine Wave Output for Wide Application: Equipped with a built-in 259Wh LiFePO4 battery, it delivers clean, stable and safe electricity that won’t harm sensitive electronics. Compatible with laptops, drones, car refrigerators and a full range of small household appliances.
  • Deep Cycle Long-Life Battery: This portable power station boasts over 2,000 charge-discharge cycles for extended service life. Three charging options are available: wall outlet charging, car charging and solar panel charging.
  • Smart BMS Protection & Efficient Cooling System: The integrated BMS (Battery Management System) safeguards against short circuits, overcurrent, overvoltage, overload and other malfunctions. Paired with an intelligent heat dissipation structure, it keeps the unit operating at a proper temperature for consistent reliable performance both indoors and outdoors.
  • Versatile Ports & Fast Charging: Features 8 output ports in total, with 100W DC input and 65W Type-C input. It can power up to 8 devices concurrently, delivering dependable power supply for travel, work, outdoor expeditions and more scenarios.
  • Solar Panel Ready: Lightweight portable power station supports solar recharging, making it ideal for long-term off-grid power needs.
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Specifications

Battery capacity

70000 mAh

Continuous wattage

300 Watts

Surge wattage

300 Watts

Brand

YEWPINY

Warranty

Warranty information

one year

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Warnings

Customer ratings & reviews

4.5 out of 5 stars
stars
17 ratings5 reviews
Includes global ratings and reviews
How item rating is calculated
  1. 5 stars76% (13)
  2. 4 stars12% (2)
  3. 3 stars0% (0)
  4. 2 stars6% (1)
  5. 1 star6% (1)
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Showing 1-3 of 5 reviews

Nov 9, 2026
Reviewer name: Donald
Item details
Continuous wattage: 300 Watts
Sold byWOXDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

This product works great and is good for outdoors. especially if you have solar panels and has a DC port for input and good for off the grid living

Incentivized Review
Helpful?1Q60DORLY4E920369669354
Nov 3, 2026
Reviewer name: anonymous
Item details
Continuous wattage: 300 Watts
Sold byWOXDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

free energy

plug and play, all you need is a decent panel and you've got your own charging station. battery lasts through multiple charges. everything you need to know is on the the display screen. beats a generator, no contest.

Incentivized Review
Helpful?1Q60DORLY4E920369669354
Oct 23, 2026
Reviewer name: Lita
Item details
Continuous wattage: 300 Watts
Sold byWOXDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

excellent choice

Helpful?1Q60DORLY4E920369669354
Current price is $189.99
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3.588235294117647 out of 5 stars
3.6 stars out of 5, based on 17 seller reviews(3.6)
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