Portable Power Supply with Multiple Charging Ports for Outdoor Use

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Product Description

Basic Information

Model: ESS-300W

Capacity: 288Wh

Battery Type: LiFePO4

Shape: Square Battery

Weight: 3.5kg

Electrolyte: Li-ion

Installation: Fixed

Origin: China

Product Introduction

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.

Technical Specifications
Parameter Details
Rated Power300W (Peak 450W)
Battery Capacity288Wh
Operating TemperatureCharging: 0~40℃ / Discharge: -10~40℃
PV Input10~24VDC, 200W Max
Wireless ChargingEPP 15W*1
USB-C PD3.05V/9V/12V/20VDC up to 5A
AC Output200~240V, 50/60Hz
Wide Range Applications

● 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

Product Features
Specification Chart Usage Scenario Safety Features
Service Advantages

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.

Frequently Asked Questions
How can I get the price and place an order?
Send an inquiry, we'll quote and prepare PI. Once confirmed and payment is made, delivery is typically within 7 days.
Can I buy samples before placing large orders?
Yes, sample orders are welcome. Our Minimum Order Quantity (MOQ) is 1 piece.
What is the standard lead time?
It depends on the quantity. Usually, small orders ship within 3-10 days, while large quantities take 10-25 days.
What payment methods are accepted?
We accept T/T, Western Union, L/C, Paypal, and other standard payment terms.
What are the available shipping methods?
Products can be shipped by sea, air, or express (EMS, UPS, DHL, TNT, FEDEX). Please confirm with us before ordering.
Is the battery safe for indoor use?
Yes, it uses LiFePO4 chemistry and an advanced BMS for maximum safety, making it suitable for both indoor and outdoor environments.

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