DEYE SUN-BK Micro Hybrid ESS
DEYE MJS

SUN-BK80

800W micro hybrid ESS with 2.56kWh LFP battery, 4 MPPTs, and all-in-one design.

  • Power Range: 800 W
  • Battery Capacity: 2.56 kWh
1,100 AEDincl. VAT
Full Specifications

Features

All-in-One

Inverter + battery integrated

4 MPPTs

Module-level optimization

Bluetooth & App

Smart connectivity

Hybrid Operation

Grid-tied, off-grid, AC-coupled

<4ms Switching

Fast grid transfer

IP65 Protection

Durable enclosure

Overview

The Deye SUN-BK80 is an all-in-one micro hybrid energy storage system. Featuring 800W rated AC power, 2.56kWh LiFePO₄ battery, 51.2V nominal voltage, up to 4 MPPTs, 96.5% DC-AC efficiency, <4ms grid-switching, 2500W AC charge/discharge, hybrid grid-tied/off-grid/AC-coupled operation, Bluetooth connectivity, colorful touch LCD & app control, IP65 protection, and seamless system expansion, it's the versatile and smart choice for residential solar energy storage.

Full specifications

Electrical

Anti-islanding protectionYES
Battery Nominal Energy2560 Wh
Communication InterfaceWiFi, Bluetooth, Lora
Euro Efficiency96%
Grid RegulationVDE 4105,IEC 61727/62116,VDE 0126,AS 4777.2,CEI 0-21,
Inverter TopologyIsolated
MPPT Efficiency>99%
MPPT voltage range20-55 V
Max. Charging Current50 A
Max. Efficiency96.5%
Max. PV Input Voltage60 V
Max. PV access power4400 W
Max. off grid power2500 W
Max.Discharging Current50 A
Over Voltage CategoryOVC II(DC), OVC III(AC)
Rated Input/Output Grid Frequency/Range 50Hz/45Hz-55Hz60Hz/55Hz-65Hz
Rated PV Input voltage42.5 V
Safety EMC/StandardIEC 62619,UN38.3,IEC/EN 62109-1, IEC/EN 62109-2
Start-up Voltage25 V
Surge Protection LevelTYPE II(DC), TYPE II(AC)
Thermal ProtectionYES
Total Current Harmonic Distortion THDi<3%
Battery Nominal Voltage51.2V
Battery Operating Voltage44.8V ~ 57.6V
Battery TypeLiFePO4
Battery Voltage Range44.8-57.6 V
Charging Strategy for Li-ion BatterySelf-adaption to BMS
Max. AC Input/Output Current4A/3.9 A
Max. Charging / Discharging Current50A
Max. Continuous AC Passthrough (grid to load)30 A
Max. Inverter Parallel NO.3 pcs (up to 7.5 kW rated output)
Peak Power (off-grid)2 times of rated power,10s W
Power Factor Adjustment Range0.8 leading-0.8lagging
Rated AC Input/Output Current3.7A/3.5 A
Battery ChemistryLiFePO₄
Nominal Energy2560 Wh
Nominal Voltage51.2 V
Max MPPTs4
Max PV Input4400 W
DC-AC Efficiency96.5 %
Grid Switching<4 ms
AC Charge/Discharge2500 W

Mechanical

Type Of CoolingIntelligent air cooling
Ingress Protection(IP) RatingIP65
Installation StyleFloor-Mounted,Stacked-Mounted
IP RatingIP65
DisplayColorful Touch LCD & APP

Environmental

Operating Temperature Range-10°C ~ 55°C, >45°C Derating, (-20°C~55°C with heating, optional) °C
Permissible Altitude2000 m
Permissible Ambient Humidity0%-95%
Max. Operating Altitude2,000m

Certifications

  • UN38.3
  • IEC 62619
  • CE

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