Huawei LUNA2000-14-S1 13.8 kWh Smart String Energy Storage System

Description

The Huawei LUNA2000-14-S1 13.8 kWh Smart String Energy Storage System is an advanced residential battery storage solution designed to maximize the efficiency of solar photovoltaic (PV) systems. Built with high-performance Lithium Iron Phosphate (LiFePO₄) battery technology, it offers exceptional safety, long service life, and intelligent energy management for modern homes.

Designed as part of Huawei’s next-generation Smart PV ecosystem, the LUNA2000-14-S1 enables homeowners to store excess solar energy generated during the day and use it when electricity demand is highest or during power outages when paired with a compatible backup solution. By increasing solar self-consumption and reducing reliance on the utility grid, the system helps lower electricity costs while improving overall energy independence.

The Huawei LUNA2000-14-S1 consists of one LUNA2000-10KW-C1 Energy Storage Control Unit and two LUNA2000-7-E1 battery modules, providing a total 13.8 kWh usable battery capacity. Its modular architecture allows for flexible installation, simplified maintenance, and future system expansion to meet growing household energy demands.

Integrated with Huawei SUN2000 Hybrid Inverters and the FusionSolar Smart Energy Management Platform, the system delivers real-time monitoring, intelligent energy optimization, and seamless communication between solar panels, battery storage, and household electrical loads. With an IP66-rated enclosure, passive natural cooling, and advanced Battery Management System (BMS), the LUNA2000-14-S1 is engineered for reliable indoor and outdoor operation in a wide range of environmental conditions.

Whether you are installing a new residential solar energy system or upgrading an existing PV installation, the Huawei LUNA2000-14-S1 offers a dependable, scalable, and future-ready energy storage solution that supports greater energy efficiency, sustainability, and long-term savings.

Key Features

13.8 kWh High-Capacity Energy Storage

The Huawei LUNA2000-14-S1 provides 13.8 kWh of usable battery capacity, making it an ideal solution for residential solar energy systems with medium to high daily electricity consumption. The stored solar energy can be used during the evening, at night, or during utility power interruptions.

Advanced LiFePO₄ Battery Technology

Built using Lithium Iron Phosphate (LiFePO₄) battery cells, the system delivers excellent thermal stability, enhanced operational safety, long cycle life, and reliable performance. LiFePO₄ chemistry is recognized worldwide for its superior durability and safety compared to conventional lithium battery technologies.

Intelligent Smart String ESS Architecture

Huawei’s Smart String Energy Storage System architecture enables intelligent energy management and optimized battery performance. The modular design improves operational efficiency while allowing easier installation, maintenance, and future capacity expansion.

Powerful 7 kW Charging and Discharging

With a maximum 7 kW charging and discharging capability, the system efficiently stores excess solar energy and delivers reliable power to household loads when needed, helping maximize self-consumption and reduce electricity bills.

Intelligent Battery Management System (BMS)

The integrated Battery Management System continuously monitors voltage, current, temperature, and battery status in real time. Intelligent cell balancing and multi-layer protection enhance battery safety, improve performance, and extend service life.

Seamless FusionSolar Integration

The Huawei LUNA2000-14-S1 integrates seamlessly with the Huawei FusionSolar platform, allowing users to monitor energy production, battery status, household consumption, and system performance through a smartphone app or web portal.

Quiet Natural Cooling

The battery system uses passive natural convection cooling, eliminating the need for cooling fans. This design minimizes operating noise, reduces maintenance requirements, and improves long-term system reliability.

IP66 Protection for Indoor and Outdoor Installation

Featuring an IP66-rated enclosure, the Huawei LUNA2000-14-S1 is protected against dust and water ingress, making it suitable for both indoor and outdoor residential installations in various environmental conditions.

Flexible Modular Expansion

The modular design simplifies transportation and installation while providing flexibility for future system expansion as household energy requirements increase.

Reliable Backup Power

When paired with compatible Huawei SUN2000 Hybrid Inverters and Huawei SmartGuard, the system can provide reliable backup power for essential household appliances during grid outages.

Tehnical Specs :

Specification	Details
Product Model	Huawei LUNA2000-14-S1
Product Type	Smart String Energy Storage System (ESS)
Battery Chemistry	Lithium Iron Phosphate (LiFePO₄)
Usable Battery Capacity	13.8 kWh
Battery Configuration	1 × LUNA2000-10KW-C1 + 2 × LUNA2000-7-E1
Battery Capacity per Module	6.9 kWh
Maximum Charge Power	7 kW
Maximum Discharge Power	7 kW
Cooling Method	Natural Convection
Protection Rating	IP66
Installation Type	Floor Mounted
Communication	CAN, RS485, Fast Ethernet (FE)
Operating Temperature	–20°C to +55°C
Relative Humidity	5%–95% (Non-condensing)
Maximum Operating Altitude	4,000 m
Noise Level	Less than 29 dB
Monitoring Platform	Huawei FusionSolar
Compatible Inverters	Huawei SUN2000 Hybrid Series
Indoor / Outdoor Installation	Yes
Battery Management	Intelligent BMS with Cell-Level Monitoring
Safety Protection	Over-voltage, Over-current, Over-temperature, Short Circuit Protection
Warranty	Up to 15-Year Limited Warranty (subject to Huawei warranty terms and regional policy)

Ideal Applications

• Residential Solar PV Systems
• Smart Homes
• Villas
• Holiday Homes
• Energy Independence Projects
• EV Charging with Solar Power
• Home Backup Power Systems

 

Applications in Modern Homes

Ideal for homeowners looking to maximize the return on investment from their solar PV systems. By storing surplus solar energy during daylight hours, the battery provides clean, renewable electricity after sunset, reducing utility costs and improving energy independence.

Whether powering everyday household appliances, supporting an electric vehicle charger, or providing emergency backup during grid failures, the LUNA2000-14-S1 delivers reliable, intelligent, and efficient energy storage for modern residential applications.

Read More for Warranty Policy 

Datasheet 

Standard Warranty

Region	Warranty Period	Battery Throughput Limit
Europe, Australia, Japan	15 Years (5-year basic + 10-year advanced)	28.84 MWh per 6.9 kWh battery module (60% End-of-Life), whichever comes first
China, APAC, India, Middle East & Central Asia (MECA), Latin America, Africa	10 Years (5-year basic + 5-year advanced)	19.23 MWh per 6.9 kWh battery module (60% End-of-Life), whichever comes first