Take it to the next level with the Deye BOS-G40 Pro, a high-voltage storage solution (ESS) designed for those who demand power and reliability. Combining the safety of LiFePO4 with cutting-edge intelligence, this system is your ally for optimized energy management.
Dimensions and Format
The system is integrated into a rack (3U-LRACK)
Performance and Reliability
Installation and Scalability
Designed for fast 19-inch rack mounting, it allows for easy maintenance. Its flexible structure supports the paralleling of 16 racks to increase power.
Certifications: UN38.3, CE, IEC62040, VDE.
Invest in sustainable peace of mind: secure your energy independence today with technology guaranteed for 10 years.
Contact us now to configure your self-consumption solution with our experts.
Only compatible with high-voltage inverters
The Deye BOS-G40 Pro is a state-of-the-art energy storage solution (ESS) designed for high-end residential and small commercial and industrial (C&I) applications. This high-voltage system features a modular 19-inch rack structure for easy installation and maintenance.
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Important notice for our customers in Belgium: An environmental contribution of €1,063.52 excluding VAT will be applied to the purchase of Deye BOS-G40 Pro lithium batteries. More information at the bottom of the page. |
The heart of the system is based on LiFePO4 (LFP) chemistry, renowned for its intrinsic safety, thermal stability and long service life.
Each system incorporates a sophisticated BMS (Battery Management System) ensuring total protection:
| Technical Specifications: BOS-G40 Pro Battery Rack (8 modules) | |
|---|---|
| Total system energy | 40.96 kWh |
| Usable energy (90% DOD) | 36.86 kWh |
| Nominal voltage | 409.6 V |
| Operating voltage range | 352 V to 467.2 V |
| Nominal charge/discharge current | 100 A |
| Peak current (2 min, 25°C) | 125 A |
| Rack dimensions (W x D x H) | 530 x 602 x 1629 mm |
| Approximate total weight | 428 kg |
A complete unit consists of:
Designed to integrate easily into a variety of environments, the BOS-G40 Pro combines safety, modularity and simplified maintenance.
Call us on +32 (0) 87 45 00 34
Contact: info@wattuneed.com

As part of our commitment to regulatory compliance and environmental responsibility in Belgium, we would like to inform our customers that the purchase of a Deye BOS-G40 Pro lithium battery is subject to a mandatory environmental levy.
An amount of €1, 063.52 excluding VAT must be added to each system purchased as a direct contribution to Bebat, the organisation responsible for managing batteries and accumulators in Belgium. This measure complies with current Belgian environmental legislation.
Important: When purchasing lithium batteries, please add the corresponding product "Bebat Deye BOS-G40 Pro environmental levy" according to the number of batteries you are ordering. Otherwise, we will recalculate and invoice the amount after purchase.
This tax only applies to Belgian customers.
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