SUN-BK(80-250)-2.56KWH-EU-AM4-18L/32L

Suitable for on-grid, off-grid, and portable use

• Plug & Play
• All-in-One Design: Integrated Inverter & Battery
• Versatile Power Options: 800W/1600W/2000W/2500W
• 4 Independent MPPTs
• Flexible Expansion up to 102.4kWh¹
• Support up to 8 PV modules and 5760W PV access power ²
• 4ms On/Off-Grid Switching
• Multiple Operating Modes: Grid-Tied, Off-Grid, AC-Coupled

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Technical Specifications

SUN-BK(80-250)-2.56KWH-EU-AM4-18L
SUN-BK(80-250)-2.56KWH-EU-AM4-32L
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Model	SUN-BK80-2.56KWH-EU-AM4-18L	SUN-BK160-2.56KWH-EU-AM4-18L	SUN-BK200-2.56KWH-EU-AM4-18L	SUN-BK250-2.56KWH-EU-AM4-18L
AC Technical Speciﬁcation
Rated AC Input / Output Active Power	800W	1600W	2000W	2500W
Max. AC Input / Output Active Power	880W	1760W	2200W	2750W
Max. off grid power	2500W
AC Input / Output Frequency and Voltage	50Hz ( 45Hz ~ 55Hz ) , 60Hz ( 55Hz ~ 65Hz ) , L+N +PE , 220 / 230 Vac
Rated Grid Input / Output Current	3.7A / 3.5A	7.3A / 7.0A	9.1A / 8.7A	11.4A / 10.9A
Max.Grid Input / Output Current	4A / 3.9A	8.0A / 7.7A	10.0A / 9.6A	12.5A / 12A
Peak Power ( oﬀ-grid )	2 time of rated power, 10s
Power Factor Adjustment Range	0.8 leading to 0.8 lagging
Max. Continuous AC Passthrough (grid to load)	30A
DC Injection Current	<0.5%In
PV String Input Data
Max. PV Access Power	4400W
Max. Operating PV Input Current	18A+18A+18A+18A
Max. Input Short-Circuit Current	32A+32A+32A+32A
Rated PV Input Voltage	42.5V
Start-up Voltage	25Vdc
MPPT Voltage Range	20 ~ 55V
No. of MPP Trackers/No. of Strings MPP Tracker	4/1+1+1+1
Efficiency
Max. Efficiency	96.5%
Euro Efficiency	96.0%
MPPT Efficiency	>99%
Equipment Protection
Integrated	DC reverse polarity protection , Thermal Protection , AC Output Overcurrent Protection , Insulation Impedance detection , AC Output Overvoltage Protection , Anti-islanding protection , AC Output Short Circuit Protection Thermal Protection , Insulation Impedance detection , AC Output Overvoltage Protection
Surge Protection Level	TYPE II(DC),TYPE II(AC)
Battery Input Data
Battery Type	LiFePO4
Max.Charging/Discharging Current	50A
Battery Nominal Energy	2560Wh
Battery Voltage Range	44.8-57.6 V
Charging Strategy for Li-ion Battery	Self-adaption to BMS
General Data
Max. Inverter Parallel NO.	3 pcs (up to 7.5 kW rated output)
Communication Interfaces	Wi-Fi, Bluetooth, LoRa
Dimension ( W × D × H )	560 × 330 × 210mm
Weight (kg)	30kg
Operating Temperature Range	-10°C ~ 55°C, >45℃ Derating,( -20℃~55℃ with heating, optional)
Permissible Altitude	2000m
Permissible Ambient Humidity	0% ~ 95% ( No Condensing )
Ingress Protection(IP) Rating	IP65
Safety EMC / Standard	IEC 62619,UN38.3,IEC/EN62109-1 IEC/EN 62109-2, IEC/EN 61000-6-1/2/3/4
Grid Regulation	VDE 4105,IEC61727/62116,VDE0126,AS4777.2,CEI0-21,EN50549-1,G98,C10-11,UNE217002
Warranty	10 years
Model	AE-F2.56
Battery Technical Speciﬁcation
Battery Chemistry	LiFePO4
Battery Nominal Voltage	51.2V
Battery Nominal Energy	2560Wh
Max. Charging / Discharging Current	50A
Battery Operating Voltage	44.8V-57.6V
Battery Cycle Life	≥6000 ( @25°C±2°C, 0.5C / 0.5C, 70%EOL )
Max. Stack NO.	5 pcs (up to 12.8kWh )
Parallel Capability	40 pcs
Other Technical Speciﬁcation
Display	LED ( SOC, Alarm )
Communication Interfaces	LoRa
Dimension ( W × D × H )	450 × 210 × 244mm
Ingress Protection(IP) Rating	IP 65
Weight Approximate ( kg )	22±3kg
Operating Temperature Range	-10°C~55°C ( -20℃~55℃ with heating, optional)
Max. Operating Altitude	2000m
Relative Humidity	0% ~ 95% ( No Condensing )
Certiﬁcation	UN38.3, IEC 62619, CE
Installation Style	Floor-Mounted,Stacked-Mounted
Warranty	10 years

1. All models support up to 5 batteries for vertical stacking expansion and 8 clusters (40 batteries) via cable connection.
2. The model SUN-BK(80-250)-2.56KWH-EU-AM4-32(L) supports up to 8 PV modules and 5760W PV access power.

Model	SUN-BK80-2.56KWH-EU-AM4-32L	SUN-BK160-2.56KWH-EU-AM4-32L	SUN-BK200-2.56KWH-EU-AM4-32L	SUN-BK250-2.56KWH-EU-AM4-32L
AC Technical Speciﬁcation
Rated AC Input / Output Active Power	800W	1600W	2000W	2500W
Max. AC Input / Output Active Power	880W	1760W	2200W	2750W
Max. off grid power	2250W
AC Input / Output Frequency and Voltage	50Hz ( 45Hz ~ 55Hz ) , 60Hz ( 55Hz ~ 65Hz ) , L+N +PE , 220 / 230 Vac
Rated Grid Input / Output Current	3.7A / 3.5A	7.3A / 7.0A	9.1A / 8.7A	11.4A / 10.9A
Max.Grid Input / Output Current	4A / 3.9A	8.0A / 7.7A	10.0A / 9.6A	12.5A / 12A
Peak Power ( oﬀ-grid )	2 time of rated power, 10s
Power Factor Adjustment Range	0.8 leading to 0.8 lagging
Max. Continuous AC Passthrough (grid to load)	30A
DC Injection Current	<0.5%In
PV String Input Data
Max. PV Access Power	5760W
Max. Operating PV Input Current	32+32+32+32
Max. Input Short-Circuit Current	48+48+48+48
Rated PV Input Voltage	42.5V
Start-up Voltage	25Vdc
MPPT Voltage Range	20 ~ 55V
No. of MPP Trackers/No. of Strings MPP Tracker	4/1+1+1+1
Efficiency
Max. Efficiency	96.5%
Euro Efficiency	96.0%
MPPT Efficiency	>99%
Equipment Protection
Integrated	DC reverse polarity protection , Thermal Protection , AC Output Overcurrent Protection , Insulation Impedance detection , AC Output Overvoltage Protection , Anti-islanding protection , AC Output Short Circuit Protection Thermal Protection , Insulation Impedance detection , AC Output Overvoltage Protection
Surge Protection Level	TYPE II(DC),TYPE II(AC)
Battery Technical Specification
Battery Type	LiFePO4
Battery Voltage Range(V)	44.8-57.6
Battery Nominal Energy	2560Wh
Max.Charging/Discharging Current	50V
Charging Strategy for Li-ion Battery	Self-adaption to BMS
General Data
Max. Inverter Parallel NO.	3 pcs (up to 7.5 kW rated output)
Communication Interfaces	Wi-Fi, Bluetooth, LoRa
Dimension ( W × D × H )	560 × 330 × 210mm
Weight (kg)	30kg
Operating Temperature Range	-10°C ~ 55°C, >45℃ Derating,( -20℃~55℃ with heating, optional)
Permissible Altitude	2000m
Permissible Ambient Humidity	0% ~ 95% ( No Condensing )
Ingress Protection(IP) Rating	IP65
Safety EMC / Standard	IEC 62619,UN38.3,IEC/EN62109-1 IEC/EN 62109-2, IEC/EN 61000-6-1/2/3/4
Grid Regulation	VDE 4105,IEC61727/62116,VDE0126,AS4777.2,CEI0-21,EN50549-1,G98,C10-11,UNE217002
Warranty	10 years
Model	AE-F2.56
Battery Technical Speciﬁcation
Battery Chemistry	LiFePO4
Battery Nominal Voltage	51.2V
Battery Nominal Energy	2560Wh
Max. Charging / Discharging Current	50A
Battery Operating Voltage	44.8V-57.6V
Battery Cycle Life	≥6000 ( @25°C±2°C, 0.5C / 0.5C, 70%EOL )
Max. Stack NO.	5 pcs (up to 12.8kWh )
Parallel Capability	40 pcs
Other Technical Speciﬁcation
Display	LED ( SOC, Alarm )
Communication Interfaces	LoRa
Dimension ( W × D × H )	450 × 210 × 244mm
Ingress Protection(IP) Rating	IP 65
Weight Approximate ( kg )	22±3kg
Operating Temperature Range	-10°C~55°C ( -20℃~55℃ with heating, optional)
Max. Operating Altitude	2000m
Relative Humidity	0% ~ 95% ( No Condensing )
Certiﬁcation	UN38.3, IEC 62619, CE
Installation Style	Floor-Mounted,Stacked-Mounted
Warranty	10 years

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SUN-BK(80-250)-2.56KWH-EU-AM4-18L/32L

Suitable for on-grid, off-grid, and portable use

DOWNLOAD AREA

Technical Specifications

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Products >>

SUN-BK(80-250)-2.56KWH-EU-AM4-18L/32L

Suitable for on-grid, off-grid, and portable use

DOWNLOAD AREA

Technical Specifications