• Safer
    Cobalt Free Lithium Iron Phosphate (LFP) Battery, safety and long lifespan, high efficiency and high-energy density.
  • Reliable
    High efficiency and high discharge power natural cooling, wide temperature range: -4℉(20℃) to 131℉(55℃)
  • Flexible
    Modular design, module capacity 5kWh, easy to expand, Max. 8 sets in parallel, Max. capacity of 163.8 kWh. Suited to residential and commercial applications for increasing the self consumption ratio.
  • Convenient
    The battery module has automatic IP address, easy maintenance, and supports the upgrade of the battery firmware through the inverter.
  • Eco Friendly
    Use environmental protection materials, the whole module non-toxic, pollution-free.
SKU: SE-G20.4 Categories: ,


Power Your Home or Business Around the Clock with the SE-G20.4 Solar Battery Bank BatteriesHarnessing solar energy doesn’t stop when the sun goes down with the SE-G20.4 solar battery bank batteries from Deye ESS. This advanced lithium iron phosphate system offers reliable energy storage for homes and businesses.

The SE-G20.4 provides 20.48kWh total capacity with 18.43kWh of usable solar energy storage – enough for overnight loads or basic backup power. It can sustain 200A continuous discharge, with a 360A 10-second peak to handle high power demands.

Flexible and modular, connect up to 8 SE-G20.4 units in parallel for 163.8kWh total solar battery bank capacity. The plug-and-play design lets your system grow on demand.

An integrated battery management system actively balances cells for optimal charging and longevity. It monitors voltage, current and temperature for protection against issues like overcharging.

With natural air cooling and an operating range from -4°F to 131°F, the SE-G20.4 solar battery bank batteries withstand indoor/outdoor use. Wall mounting saves floor space.

Weighing 476 lbs, built-in handles simplify transport and installation. Status LEDs enable at-a-glance monitoring. The BMS supports firmware updating for convenient maintenance.

Paired with solar panels, the SE-G20.4 solar battery bank batteries store surplus renewable energy to power your home or business around the clock. Contact Deye ESS to customize the perfect solar energy storage solution.

Technical Data

Model   SE-G15.3
Main Parameter
Battery Chemistry LiFePO4
Capacity (Ah) 300 400
Scalability Max. 8 units in parallel
Nominal Voltage (V) 51.2
Operating Voltage (V) 43.2~57.6
Energy (kWh) 15.36 20.48
Usable Energy (kWh)[1] 13.82 18.43
Charge/Discharge Current (A) Recommend[2] 150 200
Max.[2] 200
Peak(10s, 25℃) 360
Other Parameter
Recommend Depth of Discharge 90%
Dimension (W/H/D, mm) 20.5″ × 13.1″ × 52.9 ″(520 × 333 × 1,345mm, with base)
Weight Approximate 379 lbs.(172kg) 476 lbs.(216kg)
Master LED Indicator 5LED(SOC: 20%~100%), 3LED (working, alarming, protecting)
Enclosure Protection Rating Type 3R (IP55)
Operating Temperature Charge: 32℉~131℉(0℃~55℃) / Discharge: -4℉~131℉(-20℃~55℃)
Operating Temperature (Recommended) 59℉~86℉(15℃~30℃)
Storage Temperature 32℉~95℉(0℃~35℃)
Humidity 5%~95%
Altitude ≤Max. 6,562 ft (2,000m)
Cycle Life ≥6,000(25℃±2℃, 0.5C/0.5C, 70%EOL)
Installation Floor-Mounted
Communication Port CAN2.0, RS485
Warranty Period[3] 10 years
Certification UL1973, UL9540A, FCC, UN38.3, IEC62619, CE, CEI 0-21

[1] DC Usable Energy, test conditions: 90% DOD, 0.5C charge & discharge at 25℃. System usable energy may vary due to system configuration parameters.
[2] The current is affected by temperature and SOC.
[3] The warranty is due whichever reached first of warranty period or energy throughput.



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