SolarEdge Home Battery 48V V2 - Stack of 4 (18.4kWh Total Capacity) - Dual Tower Configuration
This SolarEdge Home Battery stack comprises four 4.6kWh modules arranged in a dual-tower configuration, providing a total of 18.4kWh usable energy capacity. It offers a low voltage, DC-coupled storage solution optimised to integrate with three-phase SolarEdge systems. The battery stack helps meet household energy demands with superior overall system efficiency, generating more energy to store and use for on-grid and backup power applications, with seamless integration into the complete SolarEdge Home ecosystem.
Key Technical Details - Complete Stack
- Product: SolarEdge Home Battery 48V V2 - Stack of 4 (18.4kWh Total Capacity) - Dual Tower Configuration
- Part No: SE-BATTERY-4.6kWH-02-4-18.4
- Bundle contains: 4 x SE-BATTERY-4.6KWH-02
- Battery type: Li-Ion LFP
- Total nominal energy: 18,400 Wh (18.4 kWh)
- Usable energy per module (100% depth of discharge): 4.6 kWh (4.85kWh as of January 2025 for new Home Hub Three-Phase installations)
- Total usable energy: 18.4 kWh (19.4kWh with increased capacity)
- Depth of discharge: 90%
- Voltage: 51 V nominal
- Voltage range: 44.8 - 56.5 V
- Peak roundtrip efficiency: >95.4%
- Continuous discharge rate (normal use): 5,000 W
- Maximum discharge rate (5 minutes): 5,000 W
- Surge discharge rate (15 seconds): 4,096 W
- Maximum charge rate (5 minutes): 5,000 W
- Total stack weight: 215.4 kg
- Configuration: Dual tower (2 modules per tower)
- Warranty: 10 years (minimum 70% capacity at end of warranty period after unlimited discharges)
Individual Battery Module (SE-BATTERY-4.6KWH-02) - Technical Details
- Part No: SE-BATTERY-4.6KWH-02
- Supplier Part No: BAT-05K48M0B-02
- Battery type: Li-Ion LFP (Lithium Iron Phosphate)
- Nominal energy per module: 4,600 Wh (4.6 kWh)
- Usable energy per module (100% depth of discharge): 4.6 kWh (4.85kWh as of January 2025)
- Depth of discharge: 90%
- Voltage: 51 V nominal
- Voltage range: 44.8 - 56.5 V
- Peak roundtrip efficiency: >95.4%
- Continuous discharge rate (normal use): 4,096 W
- Maximum discharge rate (5 minutes): 4,096 W
- Surge discharge rate (15 seconds): 4,096 W
- Maximum charge rate (5 minutes): 2,825 W
- Dimensions (W x H x D): 540 x 500 x 240 mm
- Weight per module: 54.7 kg (53.85 kg)
- Three-phase inverter connection only
Required Ancillaries for Stack of 4 (Dual Tower Configuration)
- 2 x Battery Top Cover Kit (SE-BATT-CVR-KIT-4.6) - required (1 per tower)
- 1 x Battery to Inverter Cables (SE-CABLE-B2I-4.6 for RWB) OR Battery to Inverter Cables (IAC-RBAT-5KCINV-02 for RWS) - required
- 2 x Battery to Battery Cables (SE-CABLE-B2B-4.6) - required (1 per tower to connect 2 modules vertically)
- 1 x Tower to Tower Cables (SE-CABLE-T2T-4.6) - required (to connect the two towers together)
- 2 x Battery Floorstand Kit (SE-FLRSTD-4.6) - required for floor mounting (1 per tower)
Key Features - Battery Stack
- DC-coupled battery featuring superior overall system efficiency, generating more energy to store and use for on-grid and backup power applications
- Integrates seamlessly with complete SolarEdge Home ecosystem, offering single source for warranty, support and training
- Includes enhanced safety features for battery protection
- Scalable solution enables stacking multiple battery modules per inverter for increased capacity (up to 23 kWh total)
- Solar, storage, EV charging, and smart devices all monitored and managed by single MySolarEdge app for optimised production, consumption, and backup power
- Simple plug and play installation with automatic SetApp-based configuration
- Three-phase inverter connection only
- 5.5% increased storage capacity (4.85kWh per module) available as of January 2025 for new Home Hub Three-Phase installations
- Stack of 4 modules provides 18.4kWh total capacity (19.4kWh with increased capacity)
- Dual tower configuration for optimized space utilization and weight distribution
Individual Battery Module Features
- Low voltage, DC-coupled storage solution optimised for three-phase SolarEdge systems
- Helps meet household energy demands, resulting in less or cheaper electricity purchased from grid
- DC-coupled architecture stores PV power directly to battery without AC conversion losses
- Lithium Iron Phosphate (LFP) chemistry for enhanced safety and longevity
- Peak roundtrip efficiency exceeds 95.4%
- Compact modular design for flexible installation
- Each module can be stacked vertically with other modules
- PV generation, storage, EV charging and smart device control all managed on one platform - MySolarEdge app
Dual Tower Configuration Benefits
- Four modules arranged as two towers of 2 modules each
- Improved weight distribution with 2 floor stands instead of single tower configuration
- Each tower weighs approximately 107.7 kg (2 modules + accessories)
- Lower overall height compared to single 4-module tower
- Enhanced stability with dual-tower design
- Easier installation with smaller individual tower weights
- Tower-to-tower cables enable parallel connection between towers
- Flexible placement options with two separate floor stands
System Capabilities
- Compatible with SolarEdge three-phase Home Hub inverters
- Scalable up to 23 kWh per inverter with multiple modules (up to 5 modules total)
- Stack of 4 provides 18.4kWh capacity - can add 1 more module to reach maximum 23kWh
- Managed via MySolarEdge app for unified control of PV generation, storage, EV charging and smart devices
- Backup applications available for residential installations only and subject to local regulations
- Additional components and firmware upgrade may be required for backup functionality
- For commercial deployments where backup power is not supported, refer to SolarEdge application note
- PV generation, storage, EV charging and smart device control all managed on one platform
- 10-year warranty with minimum 70% capacity retention after unlimited discharges
Installation Notes
- Three-phase inverter connection only
- Simple plug and play installation with automatic SetApp-based configuration
- Stack of 4 modules requires specific ancillaries listed above
- Dual tower configuration: 2 towers with 2 modules each
- 2 x Battery Top Cover Kits required (1 for each tower)
- 2 x Battery to Battery Cables required (1 per tower to connect 2 modules vertically)
- 1 x Tower to Tower Cable required to connect the two towers together
- Battery to Inverter Cables required (choose RWB or RWS version based on inverter)
- 2 x Battery Floorstand Kits required for floor mounting (1 per tower)
- Dual tower configuration provides better weight distribution and stability
- Can be expanded with 1 additional module to reach maximum 23kWh capacity
- Refer to SolarEdge compatibility matrix for full compatibility details
- Total system weight 215.4 kg distributed across two towers
- Each tower approximately 107.7 kg - ensure adequate floor support at both locations
Related Accessories
- Battery Top Cover Kit (SE-BATT-CVR-KIT-4.6) - required, 2 per stack (1 per tower)
- Battery Floorstand Kit (SE-FLRSTD-4.6) for floor mounting - required, 2 per stack (1 per tower)
- Battery to Inverter Cables for RWB (SE-CABLE-B2I-4.6) - required, 1 per stack
- Battery to Inverter Cables for RWS (IAC-RBAT-5KCINV-02) - required, 1 per stack
- Battery to Battery Cables (SE-CABLE-B2B-4.6) - required, 2 per stack (1 per tower)
- Tower to Tower Cables (SE-CABLE-T2T-4.6) - required, 1 per stack (connects towers)
Certifications and Compliance
- 10-year warranty with minimum 70% capacity at end of warranty period
- Unlimited number of discharges during warranty period
- Backup applications subject to local regulations
- Refer to SolarEdge compatibility matrix for inverter compatibility
- Enhanced safety features for battery protection
About SolarEdge
SolarEdge is a global leader in smart energy technology, focusing on innovation and environmental protection. For over a decade, SolarEdge has revolutionised solar products by changing the way power is harvested and managed in photovoltaic systems, maximising power generation for residential and large-scale PV installations.
About DECO Group
We supply SolarEdge Home Battery 48V stacks and energy storage solutions to professional installers throughout the UK. Our technical support covers three-phase DC-coupled battery stack installation with Home Hub inverters, including 18.4kWh quad-module dual-tower configuration providing high-capacity residential storage, scalable expansion up to 23kWh with 1 additional module, SetApp-based automatic configuration, MySolarEdge app integration for unified energy management of PV generation, battery storage, EV charging and smart devices, installation of required ancillaries including 2 top cover kits (1 per tower), 2 floor stands for dual-tower setup, 2 battery-to-battery interconnection cables for vertical connections within each tower, 1 tower-to-tower cable for parallel connection between towers, and inverter connection cables, dual-tower configuration procedures for optimized weight distribution (approximately 107.7kg per tower) and enhanced stability, comprehensive system integration for residential installations seeking superior >95.4% roundtrip efficiency with seamless SolarEdge ecosystem integration, Lithium Iron Phosphate (LFP) chemistry for enhanced safety and longevity, 10-year warranty protection with 70% minimum capacity retention after unlimited discharge cycles, and potential for 5.5% increased storage capacity (19.4kWh total) as of January 2025 for new Home Hub Three-Phase inverter installations with flexible dual-tower placement options and lower individual tower heights for easier installation and improved space utilization.
