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Model: ESS-300W
Capacity: 288Wh
Battery Type: LiFePO4
Shape: Square Battery
Weight: 3.5kg
Electrolyte: Li-ion
Installation: Fixed
Origin: China
The LEJ-ESS 300W Portable Power Station is compact, versatile, and ultra-safe for outdoor enthusiasts, remote workers, and home users. It ensures reliable power for camping, emergencies, DIY projects, and mobile setups.
It utilizes a Lithium Iron Phosphate (LiFePO4) battery pack, known for thermal stability and long lifespan. Supported by a Battery Management System (BMS), it offers protection against overvoltage, undervoltage, overcurrent, short circuits, and overtemperature, guaranteeing over 2,500 charge cycles.



| Parameter | Details |
|---|---|
| Rated Power | 300W (Peak 450W) |
| Battery Capacity | 288Wh |
| Operating Temperature | Charging: 0~40℃ / Discharge: -10~40℃ |
| PV Input | 10~24VDC, 200W Max |
| Wireless Charging | EPP 15W*1 |
| USB-C PD3.0 | 5V/9V/12V/20VDC up to 5A |
| AC Output | 200~240V, 50/60Hz |
● Camping & Outdoor Entertainment
● Road Trips & Van Life
● Home Emergency Backup
● Mobile Office & Remote Work
● Field Photography & Drone Operation
● Medical Device Support
● DIY Projects & Power Tools
● Disaster Relief & Communication
As a leading manufacturer, we provide comprehensive support from consultation to after-sales and parts availability. We offer OEM/ODM capabilities, competitive pricing, and fast global shipping with customs support.


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