PV system or solar system with storage – HUAWEI LUNA2000 energy storage: The storage solution for energy storage

There are now numerous providers of energy storage systems, offering a variety of options. Choosing the right energy storage system depends on several factors, such as the size of the house, electricity consumption, and the available electrical connections.

Self-consumption scenario: Functionality of electricity storage

The future of the energy industry will be autonomous and networked power supply. A number of manufacturers have already recognized this and now offer a wide range of energy storage systems with various functions.

Some of these storage systems are designed exclusively for autonomous power supply. They have a fixed capacity and cannot be expanded. Others, however, are extremely flexible and can be customized in size and capacity as needed.

Another difference lies in whether the energy storage system operates with or without a grid connection. Most energy storage systems, however, are equipped with a grid connection, so you can still access the stored energy even in the event of a power outage.

A battery storage system can significantly improve energy independence. Firstly, it allows you to store the energy generated by your own solar or wind power systems, thereby reducing your household's electricity demand. Secondly, you can also use the storage system to cover your household's electricity needs on days with high demand. This is particularly advantageous when the public grid is overloaded and electricity prices are rising.

The future of energy use will be autonomous power supply based on energy storage. This technology is already available today and will be used more and more frequently in the future.

Energy storage systems make it possible to store generated energy and provide it reliably at a later time. This has the advantage of making one less dependent on sometimes unreliable energy suppliers and allowing for the optimization of one's own electricity supply.

Electricity prices will continue to rise in the future. Using electricity storage systems can counteract this trend and reduce the costs of generating your own electricity.

Electricity storage systems are an excellent complement to photovoltaic systems.

Related to this:

• Renewable energies: Now it all depends on energy storage systems

The new generation of energy storage systems is smaller, cheaper, and more powerful than its predecessors. These innovations will revolutionize the energy market and fundamentally change the way we consume and generate electricity.

New developments in energy storage include lithium-ion batteries, which are now used in many homes and businesses. These batteries are much smaller and lighter than conventional lead-acid batteries and have a significantly higher energy density. This means they can store more electricity while taking up less weight and space.

Lithium-ion batteries are also much cheaper to manufacture than lead-acid batteries. Prices for lithium-ion batteries have fallen sharply in recent years as the technology continues to improve. Experts expect prices to fall further, making lithium-ion batteries increasingly attractive to consumers and businesses.

The improved technology of lithium-ion batteries has also led to increased demand for these batteries. In recent years, more and more electric vehicles powered by lithium-ion batteries have been sold. An increasing number of companies are also relying on lithium-ion batteries to meet their electricity needs. This is particularly true when they lack access to a regular power grid or when their power supply is unreliable.

However, lithium-ion batteries are not the only new developments in energy storage. There are also a number of other new technologies that could revolutionize the energy market. These include redox flow batteries, supercapacitors, and powerwalls.

Redox flow batteries are a further development of lithium-ion batteries. They have an even higher energy density and can therefore store even more electricity. Redox flow batteries also have a longer lifespan than lithium-ion batteries. This means they last longer and are therefore cheaper to purchase.

Supercapacitors are another new technology in energy storage. They have a very high energy density and can therefore store a great deal of electricity. Supercapacitors also have a very long lifespan, which means they last longer and are therefore cheaper to purchase.

Powerwalls are another new technology in energy storage. Powerwalls are wall-mounted batteries, saving space. They have a high energy density and can therefore store a large amount of electricity.

Nominal voltage (1-phase inverter/L1): 450 V
Operating voltage range (1-phase inverter/L1): 350–560 V
Nominal voltage (3-phase inverter/M1): 600 V
Operating voltage range (3-phase inverter/M1): 600–980 V

Display: SOC status LED, status LED.
Communication: RS485 / CAN (only in parallel operation)

Power module dimensions (W*D*H): 670 x 150 x 240 mm
Power module weight: 12 kg
Battery module dimensions (W*D*H): 670 x 150 x 360 mm
Battery module weight: 50 kg *1

Location: Indoor/Outdoor
Installation: Stand (standard), wall mount (optional)

Operating temperature range: -20°C to +55°C *2
Max. operating altitude: 4000m (Derating above 2000m)

Relative humidity during operation: 5% to 95%
Cooling: Convection cooling
Protection class: IP66
Noise emission:

Cell technology: Lithium iron phosphate (LiFePO4)
Scalability: Parallel operation of max. 2 batteries

Certifications: RCM, CEC, VDE2510-50, IEC62619, IEC 60730, UN38.3

Compatible inverters:

• SUN2000-2/3/3.68/4/4.6/5/6KTL-L1
• SUN2000-3/4/5/6/8/10KTL-M0
• SUN2000-3/4/5/6/8/10KTL-M1

*1 The weight of the battery module depends on the actual product, with a tolerance of ±3%.

*2 Please refer to the applicable warranty terms and conditions for details.

• PDF Huawei LUNA2000 User Manual – 2020
• PDF Huawei LUNA2000 User Manual – 2022
• PDF Huawei LUNA2000 Datasheet – Smart ESS Battery
• PDF Huawei LUNA2000 Quick Start Guide
• PDF Huawei LUNA2000 PV storage solution
• PDF Huawei Warranty Terms and Conditions

HUAWEI LUNA 2000 – 5 kWh

Power module: LUNA2000-5KW-C0
Number of power modules: 1

Battery module: LUNA2000-5-E0
Battery module capacity: 5 kWh
Number of battery modules: 1

Usable battery energy: 5 kWh *1
Nominal discharge power: 2.5 kW
Maximum discharge power: 3.5 kW, 10 s

Dimensions (W*D*H): 670 x 150 x 600 mm
Weight (incl. stand): 63.8 kg

*1 Test conditions: 100% depth of discharge (DoD), 0.2C charge and discharge rate at 25°C, at the start of the lifetime. If no PV modules are installed or the system has not received sunlight for at least 24 hours, the state of charge (SOC) at the end of the discharge will be at least 15%.

HUAWEI LUNA 2000 – 10 kWh

Power module: LUNA2000-5KW-C0
Number of power modules: 1

Battery module: LUNA2000-5-E0
Battery module capacity: 5 kWh
Number of battery modules: 2

Usable battery energy: 10 kWh *1
Nominal discharge power: 5 kW
Maximum discharge power: 7 kW, 10 s

Dimensions (W*D*H): 670 x 150 x 960 mm
Weight (incl. stand): 113.8 kg

*1 Test conditions: 100% depth of discharge (DoD), 0.2C charge and discharge rate at 25°C, at the start of the lifetime. If no PV modules are installed or the system has not received sunlight for at least 24 hours, the state of charge (SOC) at the end of the discharge will be at least 15%.

HUAWEI LUNA 2000 – 15 kWh

Power module: LUNA2000-5KW-C0
Number of power modules: 1

Battery module: LUNA2000-5-E0
Battery module capacity: 5 kWh

Number of battery modules: 3
Usable battery energy: 15 kWh *1
Nominal discharge power: 5 kW
Maximum discharge power: 7 kW, 10 s

Dimensions (W*D*H): 670 x 150 x 1320 mm
Weight (incl. stand): 163.8 kg

*1 Test conditions: 100% depth of discharge (DoD), 0.2C charge and discharge rate at 25°C, at the start of the lifetime. If no PV modules are installed or the system has not received sunlight for at least 24 hours, the state of charge (SOC) at the end of the discharge will be at least 15%.

LUNA2000 storage system – 20 kWh – Smart String ESS

2 x LUNA2000-10-S0 energy storage units – 10 kWh – Smart String ESS

See above for technical details

LUNA2000 energy storage system – 25 kWh – Smart String ESS

1 x LUNA2000-15-S0 energy storage unit – 15 kWh – Smart String ESS

1 x LUNA2000-10-S0 energy storage unit – 10 kWh – Smart String ESS

See above for technical details

Battery storage system LUNA2000 – 30 kWh – Smart String ESS

2 x LUNA2000-15-S0 energy storage units – 15 kWh – Smart String ESS

See above for technical details