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Deye RW-M6.1-B — is a high-tech lithium iron phosphate (LiFePO₄) battery with a capacity of 6.14 kWh, designed for energy storage systems in residential, commercial and industrial facilities. The model combines high energy density, safety, scalability and ease of installation.
This next-generation solution from Ningbo Deye Inverter Technology Co., LLC. is designed for efficient energy storage from photovoltaic systems or the grid. The RW-M6.1 battery has a built-in smart BMS management system that monitors temperature, voltage, current and balances the charge of each cell, ensuring a maximum service life of over 6000 cycles at 25 °C.
Key benefits
- Safe LiFePO₄ technology — cobalt-free, with chemical stability and low risk of ignition.
- Smart BMS system — monitoring, cell balancing, automatic protection against overload, short circuit, overheating and overcharging.
- High reliability — operation in a wide temperature range from −20 °C to +55 °C with IP65 protection degree.
- Modularity — possibility of parallel connection of up to 32 batteries with a total capacity of up to 196 kWh.
- Efficiency — up to 90% of useful energy (DOD) with minimal losses during charging and discharging.
- Wall or floor installation — compact housing with a thickness of only 161 mm with a mounting panel.
- Automatic connection and monitoring — support for USB updates, auto-configuration of IP address, remote control.
- Environmental friendliness — non-toxic design, fully recyclable.
- Compatibility — full integration with Deye SUN and SE series hybrid inverters.
Technical specifications
- Battery type: LiFePO₄ (lithium iron phosphate)
- Nominal capacity: 120 A·h
- Nominal voltage: 51.2 V
- Operating voltage range: 43.2 – 57.6 V
- Total energy: 6.14 kW·h
- Useful energy: 5.53 kW·h
- Recommended charge/discharge current: 60 A
- Maximum charge/discharge current: 100 A
- Peak current (2 min, 25 °C): 150 A
- Recommended depth of discharge (DOD): 90 %
- Number of parallel modules: up to 32 pcs.
- Dimensions (W×H×D): 475 × 720 × 145 mm (161 mm with mounting plate)
- Weight: approx. 58 kg
- Housing protection degree: IP65
- Operating temperature: charging 0 – 55 °C / discharging −20 – 55 °C
- Storage temperature: 0 – 35 °C
- Humidity: 5 – 95%
- Service life: over 6000 cycles (0.5C/0.5C at 25 °C)
- Communication ports: CAN 2.0, RS485
- Mounting: wall or floor
- Certification: UN 38.3, IEC 62619, CE, CEI 0-21
Design features
The Deye RW-M6.1-B battery is made in a thin metal case with an anodized coating and can be mounted on the wall using the RW-M6.1-H mounting board (included). A special RW-M6.1-P cable is provided for connection to a hybrid inverter, and for parallel operation of several batteries - the RW-M6.1-B cable (optional). All connections are sealed, with IP65 waterproof terminals.
Five LED indicators display the state of charge (SOC), and three additional ones - operation, warning and protection signals. The built-in controller supports automatic address detection and synchronization with Deye inverters, which simplifies system setup.
Applications
- Residential energy storage systems with hybrid inverters.
- Commercial solar power plants to increase self-consumption.
- Industrial facilities where backup or stabilized power is required.
- Microgrids, autonomous systems and energy cooperatives.
- Uninterruptible power supply (UPS) systems for critical facilities.
Total Energo — Deye partner in Ukraine
Total Energo LLC supplies Deye RW-M6.1-B batteries with an official warranty and technical support. We provide a full cycle — from designing energy storage systems to installation and service.