Deye SE-F12 C

This is a large home battery, which gathers the energy produced by the panels and gives it back when you need it. Unlike several small modules connected together, here everything sits in a single box, with a screen on the front from which you read directly how much you still have in the battery and whether there is any alarm. It requires no periodic maintenance.

The 11,8 kWh cover the evening and night of a house with high consumption, and at 90% depth of discharge about 10,6 kWh remain usable. The continuous current of 230 A at 51,2 V means roughly about 11,8 kW from a single module, so you can supply heavy loads such as the heat pump or the car charger at the same time, without connecting several batteries; the peak of 280 A for 10 seconds covers the start-ups. Over 6000 cycles down to 70% remaining capacity means, roughly, over 16 years at one discharge per day. The module measures 400 x 583 x 233 mm and about 82 kg, so it takes two people to handle and it can be mounted on the wall, on the floor or stacked. The IP21 enclosure requires a dry room.

LiFePO4, 11,8 kWh, 230 Ah, 51,2 V, range 44,8-57,6 V. 230 A continuous on charging and discharging, peak 280 A / 10 s, recommended DoD 90%, minimum 6000 cycles at 70% EOL. BMS with active fuse and GaN MOSFETs, for low losses and tolerance to high temperatures. IP21, 400 x 583 x 233 mm, approx. 82 kg; charging 0...55 °C, discharging -20...55 °C. CAN 2.0 and RS485 towards the inverter, Bluetooth and app for local monitoring; maximum 32 units in parallel (64 with CAN-Box). Warranty 5 years standard / 10 years extended, throughput 18 MWh.

Who it suits

Suitable for a house with an 8-12 kW hybrid inverter and high evening consumption (heat pump, water heater, car charging), where you want large capacity without installing several small modules.

Terms explained

• SOC display: The screen on the front of the battery that shows the percentage of energy remaining and any alarms, without opening your phone or the app.
• GaN MOSFET: The transistors that switch the current in the battery; the gallium nitride version heats up less, so less energy is lost.
• Current peak 280 A / 10 s: The extra current the battery can deliver for a few seconds, enough to start a motor or a compressor.

Technical specifications

Recommended applications

• Medium-to-large capacity residential storage
• Hybrid systems with 8-12 kW inverters
• Backup for homes with a heat pump or EV charger

Warranty

5 years standard / 10 years extended, throughput 18 MWh

Technical details

Specifications confirmed from the manufacturer's datasheet

Deye SE-F12 is an integrated LiFePO4 pack of 11,8 kWh, built on 230 Ah cells at 51,2 V, with a working range of 44,8-57,6 V. The C version includes a front LCD display for local reading of the SOC and of the alarms. The maximum continuous charging and discharging current is 230 A, with a peak of 280 A for 10 seconds, which allows large loads to be supplied without using several modules. The recommended depth of discharge is 90%, and the service life exceeds 6000 cycles at 70% EOL.

Protection is provided by a BMS with active fuse and GaN MOSFETs, which reduce losses and withstand high temperatures. The IP21 enclosure measures 400 x 583 x 233 mm, with a mass of approx. 82 kg, and can be mounted on the wall, on the floor or stacked. Communication is via CAN 2.0 and RS485 towards the inverter, plus Bluetooth for local monitoring in the app. Up to 32 units can be connected in parallel (64 with CAN-Box).