REDSUN 1KW Power Backup – 1000Wh LiFePO₄ Energy Storage System

Keep your essential electronics running when the power goes out with the REDSUN ESS 500W + 1000Wh Power Backup System. Designed for homes, offices, shops, and small businesses, this compact 1kWh power backup stores energy in a LiFePO₄ battery and gives you a dependable source of backup electricity during blackouts and unreliable grid supply.

Unlike a conventional generator, the REDSUN power backup operates quietly and can be charged from mains electricity, solar panels, or both simultaneously. With a 1000Wh (1kWh) battery capacity, a maximum 500W AC output, and up to 400W solar/PV charging, it offers a practical solution for keeping essential low-to-medium-power electronics running.

> Important: Although this product is marketed as a 1KW/1kWh power backup, its rated AC output is 500W maximum. The 1kWh specification refers to the battery's energy storage capacity.

Key Features

The Redsun power backup has the following features:

1000Wh / 1kWh LiFePO₄ Battery Storage

The REDSUN ESS features a 1000Wh (1kWh) battery capacity using LiFePO₄ battery technology. This provides substantial stored energy for backup applications while offering the advantages associated with lithium iron phosphate battery chemistry.

The built-in cell specification is 3.2V, 314Ah, providing the energy storage required for household, office, and commercial backup applications.

500W Maximum AC Output

The system provides a rated AC output of up to 500W, making it suitable for selected essential electronics and appliances within its power limit.

This makes the REDSUN a practical portable battery backup solution for devices including compatible TVs, routers, laptops, lights, chargers, and other low-power electronics.

Charge Using Solar, Electricity, or Both

One of the biggest advantages of this 1KW power backup system is its flexible charging capability.

You can charge the battery through:

AC electricity: Up to 500W

Solar/PV: Up to 400W

Utility + solar combined: Up to 600W

This gives you the flexibility to recharge from the grid when electricity is available and use solar energy as an alternative charging source.

Solar/PV Input

The REDSUN supports 10–55V DC PV input and is compatible with a 150–550W solar panel, with one panel per the supplied specifications.

This makes it particularly useful for users in Kenya seeking a solar-compatible power backup and a way to reduce dependence on grid electricity.

Wide AC Input Range

The system accepts 90–280VAC at 45–65Hz, giving it a wide input range for charging from compatible mains electricity supplies.

Combined Solar + Utility Charging

For faster, more flexible charging, the system supports combined utility and solar charging up to 600W. This can be especially useful when you want to replenish stored energy efficiently while solar generation is available.

USB Output

The REDSUN includes a 5V/1A USB output for compatible USB-powered electronics and accessories.

Wide Operating Temperature Range

The system is specified to operate between -10°C and +50°C, making it suitable for a variety of indoor operating environments.

IP21 Protection Rating

The unit has an IP21 protection rating. It should therefore be installed and operated in an appropriate protected environment rather than exposed directly to rain or outdoor weather.

Best Use Cases

The REDSUN 1kWh power backup is designed for situations where maintaining essential electronics during power interruptions is important.

Home Power Backup

Use the system as a home emergency power backup for selected essential electronics when the mains supply goes off.

It can help keep devices such as compatible:

• TVs

• Wi-Fi routers

• LED lights

• Laptops

• Phone chargers

• Small electronics

running, provided their combined power requirements remain within the system's 500W maximum AC output.

Office Backup Power

For small offices and home offices, the REDSUN can provide backup power for essential electronics, including networking equipment, laptops, and other compatible low-power devices.

Shop & Small Business Backup

Businesses that depend on electronics can use the system as a backup power supply for essential low-power equipment during short electricity interruptions.

Solar Energy Storage

With support for up to 400W solar/PV charging, the REDSUN can also function as a compact solar energy storage system, allowing solar-generated electricity to be stored and used later.

Blackout & Emergency Power

When unexpected blackouts occur, stored battery energy can provide an immediate source of backup electricity without starting a fuel-powered generator.

Customer Benefits

This power backup offers the following benefits:

Quiet Backup Power

Because it stores electricity in a battery rather than generating power through a combustion engine, the REDSUN provides a quiet alternative to traditional fuel generators for suitable loads.

Flexible Charging Options

Charge using grid electricity, solar energy, or both together, giving you more options for maintaining your backup power.

Reliable LiFePO₄ Battery Technology

The LiFePO₄ battery chemistry provides a robust energy-storage platform for regular backup-power applications.

Useful 1kWh Energy Capacity

The 1000Wh battery capacity provides a meaningful amount of stored energy for essential electronics, although actual runtime depends on the power consumption of the devices connected.

Solar-Ready Backup System

If you want to incorporate solar into your backup solution, the REDSUN supports compatible solar/PV input and can accept up to 400W of solar charging.

Compact Alternative to a Generator

For users who only need to power essential electronics within the 500W output limit, a battery-based power backup can be a convenient alternative to running a conventional generator.

How Long Can the REDSUN 1KW Power Backup Run Your Devices?

Runtime depends on your appliances' power consumption and the amount of usable battery energy.

As a simple theoretical example:

A 50W load could require around 20 hours to deliver 1,000Wh of energy, before accounting for conversion and other losses

A 100W load could theoretically require around 10 hours.

 A 200W load could theoretically require around 5 hours.

 A 500W load could theoretically require around 2 hours.

Actual runtime will be lower than these simple calculations suggest due to inverter efficiency, battery management limits, and the characteristics of the connected equipment.

For the best battery runtime, use the REDSUN to power essential low-power devices rather than unnecessarily high-power appliances.

Kenyan Price

Introductory Price: KSh 30,000

The REDSUN ESS 500W + 1000Wh Power Backup offers a practical solution for Kenyan homes, offices, shops, and small businesses looking for reliable backup power, solar-compatible energy storage, and blackout protection.

Frequently Asked Questions

1. Is the REDSUN power backup 1KW?

The REDSUN has 1000Wh (1kWh) battery storage capacity, but its maximum rated AC output is 500W. Therefore, it should not be treated as a 1,000W AC-output inverter.

2. How much battery capacity does it have?

It has a 1000Wh/1kWh battery capacity using LiFePO₄ technology.

3. Can the REDSUN be charged using solar?

Yes. It supports solar/PV charging of up to 400W, with a PV input range of 10–55V DC. The supplied specifications indicate compatibility with a 150–550W solar panel (one panel).

4. Can I charge it using solar and electricity at the same time?

Yes. The system supports utility and solar combined charging up to 600W, allowing both sources to be used simultaneously.

5. What can a 500W power backup run?

It can run compatible electronics whose combined power requirement stays within its 500W AC output limit. Examples can include a TV, Wi-Fi router, LED lights, a laptop, and chargers, depending on their actual wattage.