SE-F12-C

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Deye SE-F12-C – High-Capacity LiFePO4 Energy Storage with Built-In LCD Display

The Deye SE-F12-C is an 11.8 kWh capacity, low-voltage (51.2 V) LiFePO4 energy storage battery designed for residential and small commercial solar systems. The key distinguishing feature of the “C” variant is the built-in LCD display, which shows the state of charge (SOC), operating status, and any alerts in real time without needing to connect to an inverter or application. Thanks to its high 230 Ah capacity and modular design, the SE-F12-C provides stable, long-term storage for home and small commercial systems.

Why Choose the Deye SE-F12-C Energy Storage?

The Deye SE-F12-C battery is based on proven, safe LiFePO4 (lithium iron phosphate) cell chemistry, which offers high thermal stability, user safety, and long service life. The advanced BMS with active fuse continuously monitors the voltage, temperature, and current of every cell, and responds within a fraction of a second in case of short circuit, overvoltage, deep discharge, and overload. Additionally, it actively balances the cells during every charge and discharge cycle, preventing premature aging of the module and maintaining nominal capacity throughout its entire service life.

Key Advantages of the Deye SE-F12-C

• Built-in LCD display – state of charge, operating status, and alerts instantly, without external device or app
• High capacity and power – 11.8 kWh, 230 A continuous and 280 A peak current (10 s)
• Advanced BMS with active fuse – comprehensive protection and active cell balancing
• Flexible expandability – up to 32 modules in parallel, with CAN bridge up to 64, total up to 18 MWh
• Three communication channels – CAN2.0, RS485, and Bluetooth for broad inverter compatibility
• Two installation modes – wall-mounted or stackable installation for space-saving setup
• Low temperature tolerance – discharge down to −20 °C, even in unheated boiler rooms or garages
• Long service life and reliable support – >6000 cycles (80% DoD) and 10-year warranty

Applications

The Deye SE-F12-C energy storage is ideal for solar systems with hybrid inverters, off-grid and backup power solutions, and for securing critical loads. It helps store solar energy generated during the day for use in the evening or during peak hours – increasing self-consumption and reducing the cost of electricity purchased from the grid. The high capacity and scalability also make it suitable for larger homes, apartment buildings, small commercial facilities, microgrids, and agricultural buildings.

Deye SE-F12-C Technical Specifications

Current depends on temperature and state of charge (SOC). Certifications and communication port configuration may vary by region/version; the EU version complies with CE and CB requirements.

Frequently Asked Questions About the Deye SE-F12-C Energy Storage

What does the “C” designation mean in the Deye SE-F12?
The “C” variant features a front-panel LCD display that shows the state of charge (SOC), operating status, and active alerts in real time – without connecting a mobile app or separate device.

What is the capacity and expandability of the Deye SE-F12-C?
One module has 11.8 kWh energy content and 230 Ah capacity at 51.2 V nominal voltage. Up to 32 modules can be paralleled, and with a CAN bridge up to 64, for a total of up to 18 MWh.

What temperature range does the Deye SE-F12-C operate in?
Discharge is possible between −20 °C and +55 °C, charging between 0 °C and +55 °C, with natural cooling – making it suitable for unheated technical rooms. Due to IP21 protection rating, it must be protected from direct rain and high humidity.

What warranty is provided for the Deye SE-F12-C module?
The module comes with a 10-year warranty, and its expected service life is >6000 charge cycles (80% DoD), which means up to 16 years of operation with daily use.