Basic Information
| Model NO. | ESS-300W | Discharge Rate | Medium Discharge Rate |
| Shape | Square Battery | Electrolyte | Li-ion |
| Installation | Fixed | Rechargeable | Chargeable |
| Battery Capacity | 288wh | Battery Type | LiFePO4 |
| Weight | 3.5kg | Temperature | -20-60℃ |
| Origin | China | Production Capacity | 100000PCS/Year |
Product Description
LEJ-ESS 300W Portable Power Station is a compact, versatile, and ultra-safe mobile energy solution. Designed for outdoor enthusiasts, remote workers, and home emergency preparedness, it utilizes high-safety Lithium Iron Phosphate (LiFePO4) batteries known for thermal stability and a long cycle life of 2,500 charges.
The unit delivers 300W rated power (450W peak) via a pure sine wave inverter, ensuring safe operation for sensitive electronics. It features multiple output ports including AC, USB-A, USB-C (PD 60W), and wireless charging. With fast-charging support via AC, solar (MPPT), and car sockets, it can reach 80% charge in just 2.2 hours.
Main Applications
- Camping, Picnics & Outdoor Entertainment
- Home Emergency Backup & Medical Device Support
- Mobile Office & Remote Work Power Supply
- On-Location Photography & Drone Recharging
- Van Life & Micro-Camper Electricity
- Construction Sites & Telecom Maintenance
Technical Specifications
| Feature | Parameters |
| Battery Capacity | 288Wh (LiFePO4) |
| AC Output | 200~240V, 300W (Peak 450W), 50/60Hz |
| USB-C Output | PD3.0 (5V/9V/12V/20V Max 5A) |
| USB-A Output | QC3.0 (5V/3A, 9V/2.6A, 12V/2A) |
| DC Output | 12V/10A (Cigarette Lighter & DC5621) |
| Wireless Charging | EPP 15W |
| PV Input | 10~24VDC, Max 200W |
| Weight | 3.5kg |
Why Choose Our Solutions
We provide professional energy and equipment solutions with a focus on precision and quality. Our state-of-the-art manufacturing facilities ensure top-tier performance for challenging environments.
Our Advantages
- Strong OEM/ODM capabilities
- Competitive pricing & bulk discounts
- Fast shipping & reliable customs clearance
- Comprehensive project solutions
Other Available Products
- Mini Excavators & High Pressure Cleaners
- Lawn Mowers & Hay Choppers
- Electric Chainsaws & Pole Pruners
- Outdoor Power Supply Series
Frequently Asked Questions
How can I get the price and place an order?
Send an inquiry to discuss details. We will provide a quote and Proforma Invoice (PI). Delivery usually occurs within 7 days after payment confirmation.
Can I purchase samples? What is the MOQ?
Yes, samples are available. The Minimum Order Quantity (MOQ) is 1 PC.
What is the typical lead time?
Lead time depends on quantity. Usually 3-10 days for small orders and 10-25 days for large bulk orders.
What are the available payment terms?
We accept T/T, Western Union, L/C, Paypal, and other standard payment methods.
What shipping methods do you offer?
Products can be shipped by sea, air, or express (EMS, UPS, DHL, TNT, FEDEX). Please confirm with us before ordering.
Is this power station safe for sensitive electronics?
Yes, it uses a Pure Sine Wave inverter which provides stable electricity, identical to grid power, making it safe for laptops, CPAP machines, and medical devices.