SMILE-B3-PLUS Single Phase AC Energy Storage System
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SMILE-B3-PLUS single phase AC coupled energy storage system with built-in 5.04kWh LFP battery, UPS function, compatible with all PV inverters.
$888.88 Original price was: $888.88.$666.66Current price is: $666.66.
Description
SMILE-B3-PLUS Single Phase AC Energy Storage System

The SMILE-B3-PLUS is an upgraded AC-coupled energy storage system featuring a larger built-in 5.04kWh LFP battery and essential UPS (Uninterruptible Power Supply) functionality. When the grid goes down, this system automatically switches to backup power in milliseconds, keeping critical loads like refrigerators, lights, and internet routers running without interruption. Compatible with all PV inverter brands, it’s an excellent choice for retrofitting existing solar systems. The scalable architecture supports up to 30.24kWh of total capacity, providing ample energy storage for time-of-use bill management and emergency backup power. With 24/7 monitoring and easy installation, the B3-PLUS delivers reliable energy security for modern homes.
Product Specifications
| Item | Specification |
| Rated Output Power | 3kW |
| Coupling Type | AC |
| System Capacity Range | 5.04~30.24kWh (built-in 5.04kWh battery) |
| Battery Type | LFP (Lithium Iron Phosphate) |
| Battery Module | SMILE-BAT-5P |
| Battery Voltage | 48V |
| Expansion Method | 1~5 battery modules in parallel |
Key Features
- Modular design
- AC coupling – compatible with all solar inverters
- Built-in battery
- UPS function for backup power
- Easy installation and maintenance
- 24/7 online monitoring
Reliable Energy Storage Solution
Our residential energy storage systems are engineered for safety, longevity, and performance. Every model uses premium LFP (Lithium Iron Phosphate) battery cells, which offer superior thermal stability, longer cycle life, and enhanced safety compared to other lithium-ion chemistries. With intelligent battery management systems and rigorous quality control, these systems deliver dependable backup power, maximize solar self-consumption, and help homeowners reduce electricity bills through time-of-use arbitrage and peak shaving.
Applications
- Residential solar energy storage and self-consumption optimization
- Whole-home backup power during grid outages
- Time-of-use electricity bill management
- Peak shaving and load shifting for demand charge reduction
- Off-grid and hybrid solar power systems
- Virtual Power Plant (VPP) participation where available
Additional information
| Rated Output Power | 3kW |
|---|---|
| Coupling Type | AC |
| System Capacity Range | 5.04~30.24kWh (built-in 5.04kWh battery) |
| Battery Type | LFP (Lithium Iron Phosphate) |
| Battery Module | SMILE-BAT-5P |
| Battery Voltage | 48V |
| Expansion Method | 1~5 battery modules in parallel |
描述
SMILE-B3-PLUS Single Phase AC Energy Storage System

The SMILE-B3-PLUS is an upgraded AC-coupled energy storage system featuring a larger built-in 5.04kWh LFP battery and essential UPS (Uninterruptible Power Supply) functionality. When the grid goes down, this system automatically switches to backup power in milliseconds, keeping critical loads like refrigerators, lights, and internet routers running without interruption. Compatible with all PV inverter brands, it’s an excellent choice for retrofitting existing solar systems. The scalable architecture supports up to 30.24kWh of total capacity, providing ample energy storage for time-of-use bill management and emergency backup power. With 24/7 monitoring and easy installation, the B3-PLUS delivers reliable energy security for modern homes.
Product Specifications
| Item | Specification |
| Rated Output Power | 3kW |
| Coupling Type | AC |
| System Capacity Range | 5.04~30.24kWh (built-in 5.04kWh battery) |
| Battery Type | LFP (Lithium Iron Phosphate) |
| Battery Module | SMILE-BAT-5P |
| Battery Voltage | 48V |
| Expansion Method | 1~5 battery modules in parallel |
Key Features
- Modular design
- AC coupling – compatible with all solar inverters
- Built-in battery
- UPS function for backup power
- Easy installation and maintenance
- 24/7 online monitoring
Reliable Energy Storage Solution
Our residential energy storage systems are engineered for safety, longevity, and performance. Every model uses premium LFP (Lithium Iron Phosphate) battery cells, which offer superior thermal stability, longer cycle life, and enhanced safety compared to other lithium-ion chemistries. With intelligent battery management systems and rigorous quality control, these systems deliver dependable backup power, maximize solar self-consumption, and help homeowners reduce electricity bills through time-of-use arbitrage and peak shaving.
Applications
- Residential solar energy storage and self-consumption optimization
- Whole-home backup power during grid outages
- Time-of-use electricity bill management
- Peak shaving and load shifting for demand charge reduction
- Off-grid and hybrid solar power systems
- Virtual Power Plant (VPP) participation where available

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