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Deye SE-G5.3 ESS Battery This series lithium iron phosphate battery is one of new energystorage products developed and produced by Deye , it can be used to support reliable power for various types of equipment and systems.
This series is especially suitable for application scene of high power,limited installation space, restricted load bearing and long cycle life.
This series battery has built in BMS B attery M anagement S ystem which can manage and monitor cells information including voltage, current and temperature. What’s more, BMS can balance cells charging to extend cycle life.
Multiple batteries can connect in parallel for larger capacity and longer power supporting duration requirements.


  1. Safer
    Cobalt Free Lithium Iron Phosphate (LFP) Battery: Safety and long Lifespan, high efficiency and high power density.Intelligent BMS, providing complete protection.
  2. Reliable
    Support high discharge power. IP20, natural cooling, wide temperature range: -20℃ to 55℃.
  3. Flexible
    Modular design, easy to expand, Max. 64 units in parallel, Max. capacity of 340kWh.
    Suited to residential and commercial applications for increasing the self-consumption ratio.
  4. Convenient
    Battery module auto networking, easy maintenance, support remotely monitoring and upgrade, support USB drive upgrade the firmware.
  5. Eco-Friendly
    Use environmental protection materials, the whole module non-toxic, pollution-free.

Technical Data Download

Main Parameter
Battery ChemistryLiFePO4
Capacity (Ah)104
ScalabilityMax. 64 pcs pack (340kWh) in parallel (Max. 32 pcs no external setup)
Nominal Voltage (V)51.2
Operating Voltage(V)43.2~57.6
Energy (kWh)5.32
Usable Energy (kWh) [1]4.79
Charge/Discharge Current (A)Recommend [2]50
Other Parameter
Recommend Depth of Discharge90%
Dimension (W/H/D, mm)440*133*560
Weight Approximate(kg)45
Master LED Indicator5LED(SOC:20%~SOC100%), 3LED (working, alarming, protecting)
IP Rating of EnclosureIP20
Operating TemperatureCharge: 055(Optional heating) / Discharge: -20℃~55
Storage Temperature0℃~35
Cycle Life≥6000(25±2,0.3C/0.3C, 90% DOD, 70% EOL)
Installation19 inch standard rack (depth ≥600mm / with), Floor-Mounted, Wall-Mounted,
Communication PortCAN2.0, RS485
Warranty Period [3]5 years
Energy Throughput [3]16MWh@70%EOL
CertificationCE, IEC62619, UN38.