The Deye GB-LM4.0-PRO is the core 4 kWh high-voltage LiFePO₄ module of the acclaimed GB-L-PRO series. With its innovative cable-free series stacking design, IP65 all-weather protection and ultra-safe LFP chemistry, this module is the perfect building block for scalable residential and commercial energy storage systems from 8 to 24 kWh.
Key Features
True 102.4 V High-Voltage Module Enables efficient series stacking without parallel losses
4 kWh / 40 Ah LFP Ultra-safe lithium iron phosphate chemistry
Only 40.5 kg Lightest in its class – easy handling & installation
IP65 Fully Sealed Indoor & outdoor use, even in harsh conditions
50 A Peak Current Powerful performance when needed
Plug-and-Play No external cabling between modules – just stack & go
Technical Specifications
| Parameter | Value |
| Model |
GB-LM4.0-PRO |
| Cell Chemistry |
LiFePO₄ (LFP) |
| Nominal Voltage |
102.4 V |
| Rated Capacity / Energy |
40 Ah / 4 kWh |
| Nominal Current |
40 A |
| Peak Discharge Current |
50 A (2 min) |
| Operating Temperature |
Charge –20…55 °C / Discharge –20…55 °C |
| Protection Rating |
IP65 |
| Dimensions (W × D × H) |
540 × 385 × 220 mm |
| Weight |
≈40.5 kg |
Deye GB-LM4.0-PRO – the ultra-safe, IP65, cable-free 4 kWh high-voltage module for the GB-L-PRO series.
Product Safety Act (German "ProdSG")
Manufacturer: NINGBO DEYE INVERTER TECHNOLOGY Co., LTD
Add: No.26-30, South Yongjiang Road, Beilun, 315806, Ningbo, China
Tel: +86 (0) 574 8622 8957 E-mail: service@deye.com.cn
Responsible importer: SYD Green Energy GmbH & Co. KG
Represented by:
SYD Verwaltungs GmbH
An der Gümpgesbrücke 26
41564 Kaarst
Deutschland
Diese vertreten durch: Andrej Dedic und Maurice Dedic
Tel.: +492131 52811-23
Mail: info@solarset.shop
|
| Parameter | Specification |
| Deye GB-LM4.0-PRO – 4 kWh High-Voltage Battery Module |
| Model |
GB-LM4.0-PRO |
| Battery Type / Chemistry |
LiFePO₄ (LFP) – prismatic cells |
| Nominal Voltage |
102.4 Vdc |
| Rated Capacity |
40 Ah |
| Rated Energy |
4.0 kWh |
| Nominal Charge / Discharge Current |
40 A (recommended 20 A) |
| Peak Discharge Current |
50 A (2 minutes at 25 °C) |
| Charge Temperature |
–20 °C … +55 °C |
| Discharge Temperature |
–20 °C … +55 °C |
| Storage Temperature |
0 °C … +35 °C |
| Ingress Protection |
IP65 (fully sealed) |
| Dimensions (W × D × H) |
540 × 385 × 220 mm |
| Weight |
≈ 40.5 kg |
| Complete GB-L-PRO System (with 2–6 modules) |
| System Models |
GB-L8 PRO / GB-L12 PRO / GB-L16 PRO / GB-L20 PRO / GB-L24 PRO |
| Modules in Series |
2 / 3 / 4 / 5 / 6 |
| System Nominal Voltage |
204.8 V / 307.2 V / 409.6 V / 512 V / 614.4 V |
| System Operating Voltage Range |
166.4 – 700 V |
| Total Energy |
8 / 12 / 16 / 20 / 24 kWh |
| Usable Energy (90 % DoD) |
7.2 / 10.8 / 14.4 / 18 / 21.6 kWh |
| Communication |
CAN 2.0, RS485 |
| Display |
LCD – SOC %, power, total voltage |
| Cycle Life |
≥ 6000 cycles (25 ± 2 °C, 0.5C, 70 % EOL) |
| Warranty |
10 years |
| Certification |
CE, IEC 62619, VDE 2510-50, UN38.3 |
| Control Box GB-LBS-PRO & Base |
| Control Box Model |
GB-LBS-PRO |
| Operating Voltage (Control Box) |
120 – 750 Vdc |
| Max Current (Control Box) |
50 A |
| Dimensions Control Box |
540 × 385 × 110 mm / ≈ 12 kg |
| Base Model |
GB-LBase – 540 × 385 × 100 mm / ≈ 7 kg |
| Model: |
GB-LM4.0-PRO |
| Capacity: |
4000 Wh per Module |
| Parallel Operation: |
6 pcs. in Series |
| Charge Cycles: |
> 6000 |
| Warranty: |
10 Years |
| Compatible with: |
GB-L Pro |