# Deye ESS HV GB-L Pro Battery Module 4.09 kWh

- **Brand:** Deye
- **SKU:** DEYE-GB-LM4.0
- **GTIN:** 200001396926
- **MPN:** GB-LM4.0
- **Price:** 689.00 EUR
- **Availability:** In stock
- **Categories:** Battery Energy Storage

Deye ESS GB-L 4.09 kWh HV is a modular high-voltage LiFePO₄ battery designed for scalable residential and commercial energy storage systems. Safe, efficient, and compatible with Deye HV inverters.

The **Deye GB-LM4.0** is a high-voltage LiFePO4 battery module designed for modular energy storage systems used in residential and commercial solar installations. With a nominal capacity of 4.09 kWh per module, it enables flexible system expansion and reliable energy storage for modern photovoltaic systems.

Built using advanced lithium iron phosphate (LiFePO4) cell technology, the GB-L battery module provides high safety, long cycle life, and stable performance. The modular design allows multiple battery modules to be connected in series to create scalable energy storage systems that meet different capacity requirements.

### **Core Battery Characteristics**

1. Nominal battery module capacity of 4.09 kWh
2. Nominal voltage of 102.4 V and capacity of 40 Ah
3. High-voltage architecture for improved system efficiency
4. LiFePO4 battery chemistry ensuring high safety and long service life
5. Designed for integration with Deye hybrid energy storage systems

### **Modular Energy Storage Design**

1. Stackable battery modules for scalable system capacity
2. Supports flexible configurations from small residential systems to larger installations
3. Modules connect without complex cabling for easier installation
4. Compatible with GB-L battery cluster control systems
5. Supports high-voltage battery stack architecture for efficient energy transfer

### **Safety and Reliability**

1. Integrated safety protection and monitoring functions
2. Advanced thermal management and temperature monitoring
3. Built-in protection against over-charge, over-discharge, and short circuits
4. Explosion relief design and internal fire protection mechanisms
5. Long cycle life exceeding 6000 cycles under normal operating conditions

### **Smart Monitoring and Communication**

1. Real-time battery status monitoring and warning notifications
2. LCD display for system information and battery status
3. Communication via CAN and RS485 interfaces
4. Supports remote monitoring and system upgrades
5. Intelligent battery management system (BMS) integration

### **Durable System Design**

1. IP65 protection rating suitable for indoor and outdoor installation
2. Wide operating temperature range for various climate conditions
3. Robust enclosure designed for long-term reliability
4. Corrosion-resistant construction for demanding environments

### **Typical Applications**

1. Residential solar energy storage systems
2. Commercial and industrial energy storage installations
3. Hybrid solar-battery systems with grid backup
4. Off-grid and backup power solutions
5. Scalable photovoltaic energy storage systems

## Specifications

| Spec | Value |
| --- | --- |
| Weight | 46 kg (net) |
| Cooling | Natural convection |
| Display | External controller / system display (on rack controller) |
| Voltage | HV system voltage (controlled by BMS) |
| Capacity | 4.09 kWh |
| Warranty | 10 years (120 months) |
| Cycle life | ≥ 6000 cycles @ 90% DoD |
| Dimensions | 530 × 220 × 740 mm |
| Monitoring | BMS-based system monitoring via inverter / EMS |
| Battery type | LiFePO₄ (LFP) |
| Communication | CAN, RS485 |
| Compatibility | Compatible with Deye high-voltage inverters and ESS systems |
| Certifications | UN38.3, CE, CE-EMC, IEC 62040, CEC, VDE |
| Charging modes | Modes: Solar / Grid / Generator (via compatible Deye inverter & BMS) |
| Battery voltage | High Voltage (HV system) |
| Mounting options | Modular rack system (BOS-G / GB-L platform) |
| Installation type | Rack / stack-mounted battery module |
| Protection rating | IP65 |
| Max charge current | 50 A |
| Parallel capability | Up to 6 battery modules per rack (depending on system configuration) |
| Max discharge current | 50 A |
| Operating temperature | –20 °C to +55 °C |
