Deye · All-in-One ESS
Deye SUN-BK(80-250)-2.56KWH-EU-AM2-18/32L
Suitable for on-grid, off-grid, and portable use
Organized by official series page. Power ratings, regional versions and interfaces are not interchangeable. Original English tables preserve model columns and merged cells. Confirm the exact model, certification, supply, freight and lead time before purchase. Unpriced items require a quotation.
Deye · 2026-10-20
Official technical specifications
Organized by official series page. Power ratings, regional versions and interfaces are not interchangeable. Original English tables preserve model columns and merged cells. Confirm the exact model, certification, supply, freight and lead time before purchase. Unpriced items require a quotation.
| Model | SUN-BK80-2.56KWH-EU-AM2-18L | SUN-BK100-2.56KWH-EU-AM2-18L |
|---|---|---|
| Battery Input Data | ||
| Battery Type | LiFePO 4 | |
| Battery Voltage Range(V) | 44.8-57.6 V | |
| Battery Nominal Energy(Wh) | 2560Wh | |
| Max.Charging/Discharging Current(A) | 50A | |
| Charging Strategy for Li-ion Battery | Self-adaption to BMS | |
| PV String Input Data | ||
| Max. PV access power (W) | 2200W | |
| Max. PV Input power (W) | 1800W | |
| Max. Operating PV Input Current (A) | 18+18A | |
| Max. Input Short-Circuit Current (A) | 27+27A | |
| Rated PV Input voltage (V) | 42.5V | |
| Start-up Voltage (V) | 25Vdc | |
| MPPT voltage range (V) | 20 ~ 55V | |
| No. of MPP Trackers/No. of Strings MPP Tracker | 2/2+2 | |
| AC Input/Output Data | ||
| Rated AC Input/Output Active Power（W） | 800W | 1000W |
| Max. AC Input/Output Active Power（W） | 880W | 1100W |
| Max. off grid power (W) | 800W | 1000W |
| Rated AC Input/Output Current（A） | 3.7/3.5A | 4.6/4.4A |
| Max. AC Input/Output Current（A） | 4/3.9A | 5/4.8A |
| Peak Power (off-grid) (W) | 2 times of rated power, 10s | |
| AC Input / Output Frequency and Voltage | 50Hz ( 45Hz ~ 55Hz ) , 60Hz ( 55Hz ~ 65Hz ) , L+N +PE , 220 / 230 Vac | |
| Power Factor Adjustment Range | 0.8 leading - 0.8 lagging | |
| Max. Continuous AC Passthrough (grid to load)(A) | 30A | |
| DC Injection Current | <0.5%In | |
| Efficiency | ||
| Max. Efficiency | 96.5% | |
| Euro Efficiency | 96.0% | |
| MPPT Efficiency | >99% | |
| Equipment Protection | ||
| Integrated | DC reverse polarity protection, AC Output Overcurrent Protection, AC Output Overvoltage Protection, AC Output Short Circuit Protection, Thermal Protection, Insulation Impedance detection, Anti-islanding protection | |
| Surge Protection Level | TYPE II(DC),TYPE II(AC) | |
| General Data | ||
| Max. Inverter Parallel NO. | 3 pcs (up to 2.4 kW rated output) | 3 pcs (up to 3 kW rated output) |
| Communication Interface | Wi-Fi, Bluetooth, LoRa | |
| Operating Temperature Range(°C) | -10°C ~ 55°C, >45℃ Derating,( -20℃~55℃ with heating, optional) | |
| Permissible Altitude(m) | 2000m | |
| Ingress Protection(IP) Rating | IP65 | |
| Cabinet Size ( W × D × H ) | 526 × 326 × 210mm | |
| Weight (kg) | 32kg | |
| Permissible Ambient Humidity | 0% ~ 95% ( No Condensing ) | |
| Warranty | 10 years | |
| Grid Regulation | VDE 4105, IEC 61727/62116, VDE 0126, AS 4777.2, CEI 0-21, EN 50549-1, G98, C10-11, UNE 217002 | |
| Safety EMC / Standard | IEC 62619,UN38.3,IEC/EN62109-1 IEC/EN 62109-2, IEC/EN 61000-6-1/2/3/4 | |
| Model | SUN-BK80-2.56KWH-EU-AM2-32L | SUN-BK100-2.56KWH-EU-AM2-32L | SUN-BK160-2.56KWH-EU-AM2-32L | SUN-BK200-2.56KWH-EU-AM2-32L | SUN-BK250-2.56KWH-EU-AM2-32L |
|---|---|---|---|---|---|
| Battery Input Data | |||||
| Battery Type | LiFePO4 | ||||
| Battery Voltage Range(V) | 44.8-57.6 V | ||||
| Battery Nominal Energy (Wh) | 2560Wh | ||||
| Max.Charging/Discharging Current(A) | 50A | ||||
| Charging Strategy for Li-ion Battery | Self-adaption to BMS | ||||
| PV String Input Data | |||||
| Max. PV Access Power(W) | 4400W | ||||
| Max. PV Input Power(W) | 3520W | ||||
| Max. Operating PV Input Current (A) | 32+32A | ||||
| Max. Input Short-Circuit Current (A) | 48+48A | ||||
| Rated PV Input Voltage(V) | 42.5V | ||||
| Start-up Voltage(V) | 25Vdc | ||||
| MPPT Voltage Range(V) | 20 ~ 55V | ||||
| No. of MPP Trackers/No. of Strings MPP Tracker | 2/2+2 | ||||
| AC Input/Output Data | |||||
| Rated AC Input / Output Active Power（W） | 800W | 1000W | 1600W | 2000W | 2500W |
| Max. AC Input / Output Active Power（W） | 880W | 1100W | 1760W | 2200W | 2750W |
| Max. off grid power（W） | 2500W | ||||
| Rated AC Input/Output Current（A） | 3.7A / 3.5A | 4.6A / 4.4A | 7.3A / 7.0A | 9.1A / 8.7A | 11.4A / 10.9A |
| Max. AC Input/Output Current（A） | 4A / 3.9A | 5A / 4.8A | 8A / 7.7A | 10A / 9.6A | 12.5A / 12A |
| Peak Power ( off-grid )（W） | 2 times of rated power, 10s | ||||
| AC Input / Output Frequency and Voltage | 50Hz ( 45Hz ~ 55Hz ) , 60Hz ( 55Hz ~ 65Hz ) , L+N +PE , 220 / 230 Vac | ||||
| Power Factor Adjustment Range | 0.8 leading - 0.8 lagging | ||||
| Max. Continuous AC Passthrough (grid to load)（A） | 30A | ||||
| DC Injection Current | <0.5%In | ||||
| Efficiency | |||||
| Max. Efficiency | 96.5% | ||||
| Euro Efficiency | 96.0% | ||||
| MPPT Efficiency | >99% | ||||
| Equipment Protection | |||||
| Integrated | DC reverse polarity protection, AC Output Overcurrent Protection, AC Output Overvoltage Protection, AC Output Short Circuit Protection, Thermal Protection, Insulation Impedance detection, Anti-islanding protection | ||||
| Surge Protection Level | TYPE II(DC),TYPE II(AC) | ||||
| General Data | |||||
| Max. Inverter Parallel NO. | 3 pcs (up to 7.5 kW rated output) | ||||
| Communication Interface | Wi-Fi, Bluetooth, LoRa | ||||
| Operating Temperature Range (°C) | -10°C ~ 55°C, >45℃ Derating,( -20℃~55℃ with heating, optional) | ||||
| Permissible Altitude (m) | 2000m | ||||
| Ingress Protection(IP) Rating | IP65 | ||||
| Cabinet Size ( W × D × H ) | 526 × 326 × 210mm | ||||
| Weight (kg) | 32kg | ||||
| Permissible Ambient Humidity | 0% ~ 95% ( No Condensing ) | ||||
| Warranty | 10 years | ||||
| Grid Regulation | VDE 4105,IEC61727/62116,VDE0126,AS4777.2,CEI0-21,EN50549-1,G98,C10-11,UNE217002 | ||||
| Safety EMC / Standard | IEC 62619,UN38.3,IEC/EN62109-1 IEC/EN 62109-2, IEC/EN 61000-6-1/2/3/4 | ||||