Portable Series · Home Backup & Outdoor Use

ESS-1800W-4000Wh

4kWh Portable Power Station

Four-cell high-capacity design with 1800W continuous output for air conditioners and high-power appliances. Suitable for extended outages, RVs, and small commercial backup power.

Rated Output: AC 1800W
Battery Capacity: 4019.2Wh
Weight: 32kg
Dimensions: 336×239×355mm

Key features

Designed for Practical Portable Power

Core functions are presented here before the full engineering specification table.

LiFePO4 Battery

Lithium iron phosphate battery chemistry for energy storage applications.

Integrated MPPT

Solar PV input is managed through the built-in MPPT charging system.

AC + DC Outputs

AC outlets plus DC and USB interfaces support multiple device types.

AC + Solar Charging

Charge from AC input or compatible solar PV input according to model specifications.

Applications

One Product Family, Multiple Use Cases

Portable ESS models can be positioned for backup power, outdoor use, mobile power and solar-assisted charging scenarios.

Home Backup Outdoor & Camping RV / Mobile Power Solar Charging

Full specification

Technical Specifications

Battery Specifications

Battery Capacity: 1256Ah
Battery Type: 3.2V LiFePO4 Four Cells
Battery Energy: 4019.2Wh

Input

Charging Power: AC 1500W Max
AC Input Port: C14 Inlet Socket × 1
AC Input Voltage: 90–280V AC
AC Input Frequency: 45–65Hz
PV Input Power: 1200W Max
PV Input Range: 18–110V / 15A Max

AC Output

Output Power: AC 1800W
AC Output Voltage: 230V 50Hz
AC Outlets: 2

DC Output

DC (5521) × 4: 12V / 4A, Total 48W Max
USB-C: PD 20W
USB-A 1: QC 20W
USB-A 2: 5V / 3A

Mechanical Specifications

Dimensions: 336 × 239 × 355mm
Weight: 32kg