Sunwoda SunESS Power – 5kWh LiFePO4 High Voltage Battery Module | 400V | IP65 | Stackable Expansion Unit

Sunwoda SunESS Power – 5kWh LiFePO4 High Voltage Battery Module | 400V | IP65 | Stackable Expansion Unit

Modular 5kWh High Voltage Battery Expansion for SunESS Power

The Sunwoda SunESS Power 5kWh LiFePO4 High Voltage Battery Module (B40012DP03) is a high-performance lithium iron phosphate battery module designed specifically for the Sunwoda SunESS Power All-in-One Energy Storage System.

Engineered for modular scalability, safety and long-term reliability, this battery module allows existing SunESS Power installations to be expanded in convenient 5kWh increments, providing additional energy storage capacity without replacing the existing hybrid solar inverter.

Its innovative stackable architecture enables fast and straightforward installation, with integrated electrical connectors that eliminate the need for external power cables between stacked battery modules.

The battery features a 400V nominal high-voltage architecture, IP65 protection, integrated energy optimization and intelligent battery management, making it an ideal solution for professional solar installers, system integrators and customers wishing to expand their existing energy storage capacity.

One module. 5kWh additional storage. Simple, flexible system expansion.

Key Features and Advantages

1. Flexible 5kWh Battery Expansion

Each SunESS Power battery module provides 5kWh nominal storage capacity, allowing the system to be expanded according to changing energy requirements.

The modular architecture supports configurations ranging from 10kWh to 40kWh within the SunESS Power systems offered.

Expansion advantages:

• 5kWh nominal capacity per battery module.

• 4.5kWh usable capacity at 90% depth of discharge (DOD).

• Compatible with existing SunESS Power high-voltage systems.

• Modular expansion in 5kWh increments.

• Up to four battery modules in a single tower.

• Up to eight modules across two battery towers.

• Expandable up to 40kWh total nominal storage capacity.

• No additional hybrid inverter required for compatible battery expansion.

For configurations exceeding 20kWh, an additional battery management/control unit is required for the second battery tower and is available separately.

2. Quick and Easy Stackable Installation

The innovative modular design enables direct stacking of battery modules using integrated electrical connectors.

Unlike conventional battery systems requiring extensive external cabling, SunESS Power modules connect directly when stacked, simplifying assembly and reducing installation complexity.

Installation benefits:

• Stackable, space-saving battery construction.

• Integrated electrical module connections.

• No external power cables between stacked battery modules.

• Fast mechanical assembly.

• Simplified system expansion.

• Compact floor-standing arrangement.

• Reduced installation time and wiring complexity.

• Professional, clean installation appearance.

The modules are designed to integrate with the existing SunESS Power battery tower and compatible hybrid inverter.

Installation and commissioning must be performed by qualified professionals according to Sunwoda's installation instructions.

3. Safe and Reliable LiFePO4 Technology

The SunESS Power battery module uses advanced LiFePO4 (lithium iron phosphate) chemistry, recognized for its excellent thermal stability, reliable performance and long service life.

The battery incorporates intelligent energy management and multiple electrical and thermal protection functions to support safe and efficient operation.

Battery technology highlights:

• Lithium iron phosphate (LiFePO4) battery chemistry.

• 400V nominal high-voltage architecture.

• Operating voltage range of 350–450V DC.

• 90% depth of discharge.

• Integrated module-level energy optimization.

• Active battery balancing.

• Battery voltage and temperature monitoring.

• Overvoltage and undervoltage protection.

• Overcurrent and temperature protection.

• Integrated low-temperature battery heating.

The modular design also supports the combination of compatible existing and new battery modules, subject to the manufacturer's technical and installation requirements.

4. IP65 Protection – Indoor and Outdoor Applications

The battery module features an IP65-rated enclosure, providing protection against dust ingress and water jets.

Its durable housing is suitable for installation in compatible indoor environments and appropriately sheltered outdoor locations.

IP65 advantages:

• Dust-tight enclosure.

• Protection against water jets.

• Suitable for indoor and protected outdoor installations.

• Robust and compact modular housing.

• Designed for reliable operation in different environmental conditions.

Outdoor installation must comply with Sunwoda's requirements regarding environmental protection, temperature, ventilation and exposure to weather conditions.

5. High-Voltage Efficiency and Intelligent Energy Optimization

The SunESS Power battery module is designed for operation within the system's high-voltage battery architecture.

Its integrated energy optimizer supports module-level active balancing and coordinated operation with the compatible SunESS Power inverter and energy management system.

Key advantages:

• Efficient high-voltage battery operation.

• Module-level energy optimization.

• Active balancing between compatible modules.

• Coordinated battery charging and discharging.

• Monitoring through the existing SunESS Power system.

• Support for scalable energy storage configurations.

The available charging and discharging power of the complete system depends on the number of installed battery modules and the selected hybrid inverter.

Technical Specifications

Specification	SunESS Power 5kWh Battery Module
Manufacturer	Sunwoda Energy
Product series	SunESS Power
Battery model	B40012DP03
Product type	High Voltage Battery Expansion Module
Battery chemistry	LiFePO4 (LFP)
Nominal energy	5kWh
Usable energy	4.5kWh (90% DOD)
Nominal voltage	400V DC
Operating voltage range	350–450V DC
Rated charge/discharge power	2.5kW
Rated charge/discharge current	6A
Maximum charge/discharge current	6.5A
Peak output power	4.2kW / 20 seconds
Protection rating	IP65
Battery heating	Integrated
Cooling	Passive module design
Module dimensions (W × H × D)	653 × 315 × 189mm
Module weight	Approximately 52kg
Installation method	Stackable
System expansion	Up to 40kWh with compatible configuration
Compatible system	Sunwoda SunESS Power All-in-One ESS

Compatible Sunwoda SunESS Power Systems

The 5kWh battery module is designed for expansion of Sunwoda SunESS Power high-voltage systems equipped with compatible three-phase hybrid inverters:

• Sunwoda SW8KH3UT – 8kW Hybrid Inverter

• Sunwoda SW10KH3UT – 10kW Hybrid Inverter

• Sunwoda SW12KH3UT – 12kW Hybrid Inverter

• Sunwoda SW15KH3UT – 15kW Hybrid Inverter

Supported Battery Configurations

Total capacity	Battery modules	Configuration
10kWh	2 × 5kWh	Single tower
15kWh	3 × 5kWh	Single tower
20kWh	4 × 5kWh	Single tower
25kWh	5 × 5kWh	Dual tower + additional BMS
30kWh	6 × 5kWh	Dual tower + additional BMS
35kWh	7 × 5kWh	Dual tower + additional BMS
40kWh	8 × 5kWh	Dual tower + additional BMS

Important: Expansion beyond 20kWh requires a second battery tower equipped with the appropriate additional BMS/control module and base.

The additional BMS expansion unit is available separately.

What's Included in the Package?

This product includes one individual Sunwoda SunESS Power 5kWh LiFePO4 battery module only.

Included:

• 1 × Sunwoda SunESS Power 5kWh LiFePO4 High Voltage Battery Module (B40012DP03).

• Standard battery module fixing accessories supplied by the manufacturer.

• Standard manufacturer documentation.

Not included:

• Hybrid solar inverter.

• Additional BMS expansion control unit.

• Battery tower base.

• Smart Meter.

• WiFi monitoring dongle.

• Additional 5kWh battery modules.

• Complete All-in-One Energy Storage System.

Any additional connection accessories or installation components required for a particular system expansion must be ordered separately where applicable.

Important Compatibility and Installation Information

This battery module is designed specifically for the Sunwoda SunESS Power High Voltage Energy Storage System and is not intended for standalone operation.

Before purchasing an additional battery module, installers should verify:

• Compatibility with the existing SunESS Power system.

• The installed inverter model.

• The number of battery modules already installed.

• Whether the installation requires a second battery tower.

• Whether an additional BMS/control unit and base are required.

• Compatibility of battery module hardware and firmware versions.

The module must be installed and commissioned by qualified professionals in accordance with Sunwoda's technical documentation.

Typical Applications

The Sunwoda SunESS Power 5kWh battery module is suitable for:

• Expansion of existing residential battery storage systems.

• Increasing solar self-consumption capacity.

• Extending available backup energy storage.

• Increasing storage capacity for time-of-use electricity optimization.

• Upgrading existing SunESS Power installations.

• Professional system maintenance and compatible battery module replacement.

Why Choose the Sunwoda SunESS Power 5kWh Expansion Battery?

The Sunwoda SunESS Power 5kWh battery module provides a simple and flexible way to increase the storage capacity of an existing energy storage installation.

Its high-voltage LiFePO4 technology, integrated module-level energy optimization, IP65 protection and innovative stackable architecture provide a reliable and installation-friendly solution for professional solar projects.

Instead of replacing an existing system, customers can increase their storage capacity by adding compatible 5kWh battery modules as their energy requirements grow.

Expand your Sunwoda SunESS Power system with one additional 5kWh LiFePO4 high-voltage battery module – a compact, safe and modular energy storage solution designed for seamless integration with compatible existing installations.

Delivery: PLEASE NOTE: This is a pallet shipment, make sure that the address you provide is easily accessible for this exceptionally heavy/large shipment. We try to arrange delivery within 1 week.