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Deye

Deye SE-F12 Max Low Voltage Storage Battery 11.8 kWh LiFePO4 Heated

Deye SE-F12 Max Low Voltage Storage Battery 11.8 kWh LiFePO4 Heated

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Delivery in 10-20 daysBatteryLow voltageDeye

Deye SE-F12 Max Low Voltage Storage Battery 11.8 kWh LiFePO4 Heated

The Deye SE-F12 Max in its heated version is a low voltage storage battery of 11.8 kWh with lithium iron phosphate (LiFePO4) cells, 230 Ah of nominal capacity and 51.2 V. It is designed for residential PV systems and small commercial installations: it stores the energy produced during the day and returns it in the evening or during grid outages, increasing the share of self-consumption.

The IP65 / NEMA 3R enclosure and the intelligent thermal management with optional heating allow installation outdoors, in a garage or in unconditioned rooms: when charging, the battery works from 0 to 55 °C, which becomes -20 to 55 °C with the heating function. It is wall or floor mounted, communication runs over CAN 2.0, RS485 and Bluetooth, and it is compatible with Deye low voltage hybrid inverters and with the Deye Cloud platform. Up to 32 units can be connected in parallel (64 with a CAN-Box).

Key features

11.8 kWh Usable230 Ah at 51.2 V with nominal and usable energy both equal to 11.8 kWh (tested at 100 % DOD, 0.5C).
Up to 11.8 kW of PowerContinuous charging and discharging up to 230 A, with a 280 A peak for 10 seconds: it supports demanding loads and heavy starting currents.
Heated VersionThermal management with heating extends charging down to -20 °C, for outdoor installations or cold rooms.
IP65 / NEMA 3RAn enclosure protected against dust and water, suitable for outdoor wall or floor mounting.
BMS with Active FuseBuilt-in protections against overcurrent, overcharge and over-temperature, with an integrated DC isolator.
Expandable to 32 UnitsAutomatic parallel connection with no DIP switches; with a CAN-Box it reaches 64 units.

Technical specifications

FeatureValue
Product codeSE-F12MAX-H
TypeLow-voltage storage battery, heated version
Cell chemistryLiFePO4 (lithium iron phosphate)
Rated energy11.8 kWh
Usable energy11.8 kWh
Rated capacity230 Ah
Rated voltage51.2 V DC
Operating voltage44.8 - 57.6 V DC
Maximum output power11.8 kW
Maximum continuous charge current230 A
Peak charge current280 A (10 s)
Maximum continuous discharge current230 A
Peak discharge current280 A (10 s)
Recommended depth of discharge90 %
Maximum round-trip efficiency (DC)95 %
Cycle life≥ 6,000 cycles (25 ± 2 °C, EOL 70 %)
Guaranteed energy throughput37 MWh
Units in parallelUp to 32 (up to 64 with CAN-Box)
CommunicationCAN 2.0, RS485, Bluetooth
DisplayLCD (state of charge, alarms) and operating LED
Disconnection protectionIntegrated DC circuit breaker
Protection degreeIP65 / NEMA 3R
Operating temperature (charge)0 ~ 55 °C (-20 ~ 55 °C with heating)
Operating temperature (discharge)-20 ~ 55 °C
Storage temperature0 ~ 35 °C
Relative humidity0 ~ 95 %
Maximum altitude≤ 3,000 m
InstallationWall or floor mount
Dimensions (W × H × D)464 × 821 × 267 mm
Weight95 kg
Warranty10 years
StandardsUN 38.3, CE, CB

Documentation

PDFDatasheetOfficial manufacturer document

Installation and wiring must be carried out by qualified personnel in accordance with the applicable standards and the electrical design of the system.