FusionSolarLUNA2000-S1 Battery
Reliable, scalable, and intelligent home energy storage. Keep the lights on when you need them most.
7-21 kWh
Capacity
100%
Usable Energy
15 Years
Warranty
5 Layers
Safety Protections
Uncompromising Safety
5-Layer Hardware & Software Protection
Protecting your home and family is our highest priority. The LUNA2000-S1 battery establishes a new benchmark with its comprehensive 5-layer safety architecture that protects everything from the individual cell level up to the complete system structure.
- Cell-level internal short circuit protection
- Electrical layer overvoltage & overcurrent shielding
- Structural IP66 waterproof and dustproof exterior
- Active thermal management preventing overheating
- Software-based 24/7 continuous health monitoring
Built for the Future
Explore the advanced features that make Huawei LUNA2000-S1 the top choice for residential solar storage.
Scalable Capacity
7 kWh to 21 kWh per system
Grow your storage as your needs grow
The LUNA2000-S1 supports modular expansion. Start with a single 7 kWh module and simply stack up to 3 modules per tower for 21 kWh total energy storage. It’s an easy plugin solution with no extra wiring required.
Plug and play modular design
Stackable up to 21 kWh per tower
Auto-mapping for instant commissioning
Max 4 systems in parallel (up to 84 kWh)
Extreme Conditions
Operates from -20°C to +55°C
Wider Operating Temperature Range
Equipped with an advanced thermal management system, the LUNA2000-S1 thrives in harsh environments. Whether it's freezing winter nights or sweltering summer afternoons, your power remains stable.
-20°C to +55°C ultimate reliability
Intelligent heating in cold weather
Active cooling during peak temperatures
Ensures long-term battery cycle life
Rapid Charge/Discharge
Up to 10.5 kW Max Power
Instant Power When You Need It
Capable of fast charging and discharging, the S1 ensures that the energy stored from the morning sun can be instantly utilized during abrupt peak loads or sudden blackouts.
10.5 kW peak charge/discharge power
Supports high-demand home appliances
Seamless grid blackout transition
100% Depth of Discharge per module
Unparalleled Silence
< 29 dB Operating Noise
Peaceful Home Environment
Designed to operate with zero disturbance. The LUNA2000-S1 battery effectively dissipates heat without noisy cooling fans, ensuring your home remains completely peaceful.
Whisper quiet operation (< 29 dB)
Fanless natural cooling design
Acoustic noise virtually undetectable
Ideal for indoor/residential placement
Effortless Installation
Wire-free plugin connections make the physical installation fast, clean, and reliable.
Huawei LUNA2000 + SmartGuard product lineup
Full specifications and datasheets for every Huawei storage and protection model
LUNA2000-5/7/10/12/14/15/17/19/21-S1 | Smart String Energy Storage System | HUAWEI Smart PV Global
The S1 family just became stronger. With the new 5 kWh battery, you can now flexibly combine 5 and 7 kWh packs to unlock up to 9 capacity options, from 5 to 21 kWh.
LUNA2000-5-10-15-S0 | Smart String Energy Storage System | HUAWEI Smart PV Global
With Huawei Smart String Energy Storage System, you can power your life by green power storage and be astonished by its admirable performance. No matter nights, rainy days or unexpected blackouts off the grid, the solar power is always at your request as a real bank.
SmartGuard-63A-T0-AUT0 | Smart Guard-Whole Home Backup | HUAWEI Smart PV Global
From offering power backup for partial loads to a total power support of 63 A for the whole house, you've witnessed a great leap*. No additional switchboard is required to support the backup and non-backup loads, because the current range is offering sufficient power supply. With up to 36 KW of backup capacity, it ensures reliable power supply during outages to meet higher power demands. *Support 63A of the whole house when on grid and may vary according to inverter capacity when off grid.
SmartGuard-63A-S0 | Smart Guard | Whole Home Backup | HUAWEI Smart PV Global
From offering power backup for partial loads to a total power support of 63 A for the whole house, you've witnessed a great leap*. No additional switchboard is required to support the backup and non-backup loads, because the current range is offering sufficient power supply.*Support 63A of the whole house when on grid and may vary according to inverter capacity when off grid.
Technical Specifications
Detailed metrics for the Huawei LUNA2000-S1 Smart String Energy Storage System
| Specification | LUNA2000-7-S1 | LUNA2000-14-S1 | LUNA2000-21-S1 |
|---|---|---|---|
| Performance | |||
| Usable Energy | 6.9 kWh | 13.8 kWh | 20.7 kWh |
| Max. Charge Power | 3.5 kW | 7 kW | 10.5 kW |
| Max. Discharge Power | 3.5 kW | 7 kW | 10.5 kW |
| Battery Usable Energy Ratio | 100% | 100% | 100% |
| General Specifications | |||
| Dimensions (W x D x H) | 590 x 255 x 510 mm | 590 x 255 x 870 mm | 590 x 255 x 1230 mm |
| Weight | 80 kg | 148 kg | 216 kg |
| Installation | Floor stand (standard), Wall mount (optional) | Floor stand | Floor stand |
| Operating Temperature | -20°C to +55°C | -20°C to +55°C | -20°C to +55°C |
| Protection Rating | IP66 | IP66 | IP66 |
| Noise | < 29 dB | < 29 dB | < 29 dB |
| Safety & Communication | |||
| Cell Technology | Lithium-iron phosphate (LiFePO4) | Lithium-iron phosphate (LiFePO4) | Lithium-iron phosphate (LiFePO4) |
| Safety Protections | Cell, Pack, and System level (5-layer) | Cell, Pack, and System level | Cell, Pack, and System level |
| Communication | RS485, FE / CAN | RS485, FE / CAN | RS485, FE / CAN |
| Warranty | Up to 15 Years | Up to 15 Years | Up to 15 Years |