Power Ning 3kW/4kWh All-in-One Inverter & Energy Storage System

Project Parameters

Rated Output Power: 3kW (Peak 5.5kW)

Battery Capacity: 4.0kWh (12.8Vdc@4S1P)

PV Charging MPPT, Maximum 4.5kW, 65-450Vdc

UPS Switching Time: 20ms (Normal Mode) / 10ms (UPS Bypass)

Conversion Efficiency: ≥95% (Charging) / ≥85% (Inverter)

Protection Rating: IP20

Net Weight: 40±5kg

Battery Capacity: 312500mAh

AC Output Voltage: 230Vac (Can be set to 220Vac or 240Vac)

Powerning 3kW / 4kWh All-in-One Energy Storage System

Portable Solar Energy Hub for Home, Outdoor & Off-Grid Power

The Powerning All-in-One Energy Storage System is a compact yet powerful integrated energy solution designed to deliver reliable electricity wherever it is needed. Combining a 3kW pure sine wave inverter, 4kWh high-density lithium battery, and a 4.5kW MPPT solar charging controller, this system provides stable, efficient, and intelligent energy management for a wide range of applications.

Developed by Powerning, the system is ideal for home backup power, outdoor activities, emergency power supply, and off-grid energy solutions, offering users a reliable and convenient power source anytime and anywhere.


Powerful Integrated Energy Solution

Unlike traditional energy storage systems that require multiple separate components, the Powerning All-in-One Energy Storage System integrates the battery, inverter, and solar controller into a single compact unit.

With 3kW rated output power and up to 5.5kVA surge power, the system can easily support various household appliances and electrical devices such as:

• Refrigerators
• Air conditioners
• Lighting systems
• TVs and communication equipment
• Power tools and small machinery

The pure sine wave output ensures stable and clean electricity, protecting sensitive electronic devices and ensuring safe operation.


High-Efficiency Charging Performance

The Powerning energy storage system supports multiple charging options, allowing the battery to be charged through both grid power and solar panels.

Equipped with advanced MPPT (Maximum Power Point Tracking) technology, the system maximizes solar energy utilization and maintains high charging efficiency even under varying sunlight conditions.

Key charging features include:

Up to 4.5kW solar charging power
Wide PV operating voltage range: 65V–450Vdc
Optimal PV voltage range: 240V–400Vdc
Charging efficiency ≥95%

This makes the system ideal for off-grid solar systems, residential backup power, and remote energy applications.


Large-Capacity Lithium Battery Storage

The system features a 4kWh high-performance lithium battery pack, providing stable and long-lasting energy storage.

Battery highlights include:

Rated battery voltage: 12.8Vdc × 4S1P
Usable energy up to 90% DOD
Maximum charge/discharge current: 300A

Compared with traditional batteries, lithium batteries offer longer lifespan, higher energy density, and improved efficiency.


Intelligent Multi-Layer Safety Protection

Safety is a top priority in the design of the Powerning energy storage system. The unit integrates multiple protection mechanisms to ensure stable operation and protect both the device and connected loads.

Protection features include:

• Overcharge protection
• Over-discharge protection
• Short-circuit protection
• Over-current protection
• Voltage equalization
• Temperature protection

An automatic cooling fan system activates when internal temperatures rise, ensuring reliable operation even under high load conditions.


Smart Monitoring & Remote Control

For greater convenience, the system supports an optional WiFi module, allowing users to monitor and control the device through a mobile application.

Users can easily check:

• Battery capacity and status
• Real-time power consumption
• Charging and discharging status
• System operating conditions

This smart monitoring function improves system management and enhances user experience.


Portable Design for Flexible Deployment

The Powerning All-in-One Energy Storage System features a portable trolley-style design with wheels, allowing users to easily move and deploy the system wherever power is required.

Key portability advantages:

Net weight: approx. 40kg
Compact integrated design
Plug-and-play operation
No complex installation required

This makes the system suitable for homes, outdoor activities, emergency backup, construction sites, and mobile energy applications.


Ideal Application Scenarios

The Powerning All-in-One Energy Storage System is widely used in:

• Home backup power supply
• Solar off-grid systems
• Outdoor camping and RV power
• Emergency and disaster power supply
• Field operations and remote work sites
• Small commercial energy storage solutions


Your Reliable Energy Partner

With increasing demand for flexible and reliable energy solutions, the Powerning All-in-One Energy Storage System provides an efficient and convenient solution for modern power needs.

Combining powerful performance, intelligent protection, flexible charging options, and portable design, Powerning delivers dependable energy wherever and whenever it is needed.

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