4kw -12kw Energy Storage Off-Grid Solar Inverter

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4kw -12kw Energy Storage Off-Grid Solar Inverter

The 4-12kW off-grid energy storage inverter is a highly versatile inverter that has the capacity to provide efficient and stable power for factory and shop use, as well as in homes. Regardless of whether you need a backup power source that you can rely on, a complete off-grid power supply solution, or desire to connect solar power and batteries seamlessly , this inverter will do it. It supports diverse power supplies, including solar power, batteries, diesel generators ,and power grids, to provide nonstop power no matter the situation.

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Table of Contents

Key Features & Advantages

1. Efficient power conversion

Ultra-high output efficiency: power factor up to 1.0, full output efficiency!
Easily deal with sudden loads: 2 times surge power capacity, don't be afraid of sudden peak power consumption.
Perfectly suitable for sensitive equipment: pure sine wave output, super friendly to electronic equipment.

2. Multi-function power supply integration

Seamless switching of multiple power supplies: solar energy, batteries, diesel generators, and power grids can all be used.
Solar energy optimization: built-in MPPT charge controller, more solar energy utilization.
Flexible power supply priority: priority set by users to use solar energy or power grid electricity.

3. Intelligent and reliable operation

Remote monitoring: Check the system status at any time and any place through WiFi and GPRS.
Local debugging is ultra simple: Make system diagnosis within minutes through the PVkeeper platform.
Stable operation: Built-in low-frequency pure copper transformer, ultra-reliable to use.

4. Scalable and customizable design

The system is readily expandable: supports parallel operation, and is expandable up to 36kW at most.
Select multiple modes at will: adjust the working mode freely according to your power demand.
Multi-battery compatible:Lithium batteries, lead-acid batteries, and gel batteries can all be used, and the selection is ultra-flexible.

Ideal Applications

✔Off-grid living: Do you need no grid power in remote areas? This inverter is your "personal power plant".

✔Enterprise backup power: No need to worry about power failure. With it, the enterprise is running smoothly.

✔Industrial and commercial energy storage: Peak shaving and valley filling, save you electricity bills.

✔Hybrid power system: solar, battery, and generator are well coordinated to maximize energy use.

✔Microgrid and rural electrification: Even remote areas can enjoy a stable power supply.

Technical Specifications

Specification	4kW	5kW	6kW	8kW	10kW	12kW
Battery Parameters
Battery Voltage	48VDC	48VDC	48VDC	48VDC	48VDC	48VDC
Battery Type	Lithium/Lead-Acid	Lithium/Lead-Acid	Lithium/Lead-Acid	Lithium/Lead-Acid	Lithium/Lead-Acid	Lithium/Lead-Acid
Inverter Output
Rated Power	4kW	5kW	6kW	8kW	10kW	12kW
Surge Rating	12kW	15kW	18kW	24kW	30kW	36kW
Waveform	Pure Sine Wave	Pure Sine Wave	Pure Sine Wave	Pure Sine Wave	Pure Sine Wave	Pure Sine Wave
Nominal Output Voltage	220V/230V/240V ±10%	220V/230V/240V ±10%	220V/230V/240V ±10%	220V/230V/240V ±10%	220V/230V/240V ±10%	220V/230V/240V ±10%
Output Frequency	50Hz/60Hz	50Hz/60Hz	50Hz/60Hz	50Hz/60Hz	50Hz/60Hz	50Hz/60Hz
Inverter Efficiency (Peak)	>85%	>85%	>85%	>85%	>88%	>88%
Power Factor	1.0	1.0	1.0	1.0	1.0	1.0
Transfer Time	10ms typical, 20ms max	10ms typical, 20ms max	10ms typical, 20ms max	10ms typical, 20ms max	10ms typical, 20ms max	10ms typical, 20ms max
Solar Charger
Max PV Charge Current	80A	80A	80A	120A	120A	120A
Max PV Array Power	5000W	5000W	5000W	7000W	7000W	7000W
MPPT Trackers/Strings	1/1	1/1	1/1	2/1	2/1	2/1
MPPT Voltage Range	60V-145VDC	60V-145VDC	60V-145VDC	60V-145VDC	60V-145VDC	60V-145VDC
Max PV Array Open Circuit Voltage	150VDC	150VDC	150VDC	150VDC	150VDC	150VDC
Efficiency	>98%	>98%	>98%	>98%	>98%	>98%
AC Input
Voltage	230V AC	230V AC	230V AC	230V AC	230V AC	230V AC
Selectable Voltage Range	154-272V (Appliances) / 184-272V (UPS)	154-272V (Appliances) / 184-272V (UPS)	154-272V (Appliances) / 184-272V (UPS)	154-272V (Appliances) / 184-272V (UPS)	154-272V (Appliances) / 184-272V (UPS)	154-272V (Appliances) / 184-272V (UPS)
Frequency Range	50Hz/60Hz (Auto Sensing)	50Hz/60Hz (Auto Sensing)	50Hz/60Hz (Auto Sensing)	50Hz/60Hz (Auto Sensing)	50Hz/60Hz (Auto Sensing)	50Hz/60Hz (Auto Sensing)
Max Charge Current	40A	50A	60A	70A	80A	100A
Mechanical Specifications
Protection Degree	IP20	IP20	IP20	IP20	IP20	IP20
Dimensions (W/H/D)	360×540×218mm	360×540×218mm	360×540×218mm	380×650×255mm	380×650×255mm	380×650×255mm
Net Weight	38kg	41kg	45kg	69kg	66kg	75kg
Operating Environment
Operating Temperature	0°C to 45°C	0°C to 45°C	0°C to 45°C	0°C to 45°C	0°C to 45°C	0°C to 45°C

Why Choose This Off-Grid Inverter?

The 4-12kW off-grid energy storage inverter is a versatile and intelligent off-grid living, backup power ,and hybrid energy system high-performance solution. Not only is it highly efficient and compatible, but it also allows you to monitor your power usage with smarter monitoring features. Whether it is solar home building or industrial backup power applications, this inverter can perfectly balance performance, reliability, and scalability.

Take control of your energy future! Contact us today to learn more about how this inverter can work for you!