SUN-BK(80-250)-2.56KWH-EU-AM2-32L

Name: SUN-BK(80-250)-2.56KWH-EU-AM2-32L
SKU: SUN-BK(80-250)-2.56KWH-EU-AM2-32L

Balcony solar system · 0.8 – 2.5 kW

0.8 – 2.5 kW2.56 kWhIP65

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0.8 – 2.5 kWRated power

2.56 kWhEnergy capacity

51.2 VNominal voltage

IP65Protection class

Technical data

PV input
	SUN-BK80-2.56KWH-EU-AM2-32L	SUN-BK160-2.56KWH-EU-AM2-32L	SUN-BK200-2.56KWH-EU-AM2-32L	SUN-BK250-2.56KWH-EU-AM2-32L
Max. PV input power (W)	4400
Max. usable PV input power (W)	3520
Rated PV input voltage (V)	42.5
MPPT voltage range (V)	20 – 55
Start-up voltage (V)	25
Max. input current per MPPT (A)	32
Max. short-circuit current per MPPT (A)	48
Number of MPPT trackers	2
PV strings per MPPT	2
AC output
Rated output power (W)	800	1600	2000	2500
Max. AC input/output active power (W)	880	1760	2200	2750
Rated AC voltage (V)	230
Rated AC output current (A)	3.5	7	8.7	10.9
Phase	Single-phase
Rated AC frequency (Hz)	50/60
Max. AC output current (A)	3.9	7.7	9.6	12
Power factor	0.8 leading - 0.8 lagging
Backup output power (W)	2500
Peak power (off-grid)	2 x rated power, 10 s
On-grid/off-grid switchover time	<=4 ms
Max. parallel units	3
Max. rated output power when paralleled (W)	7500
Max. continuous AC pass-through (grid to load) (A)	30
DC injection current	<0.5% In
Battery
Battery type	LiFePO4
Battery voltage range (V)	44.8 – 57.6
Max. charge current (A)	50
Max. discharge current (A)	50
Charging strategy for Li-ion battery	Self-adaption to BMS
Nominal energy capacity (Wh)	2560
Nominal voltage (V)	51.2
Operating voltage range (V)	44.8 – 57.6
Cell type	LiFePO4
Cycle life (cycles)	≥6000
Max. expandable energy (Wh)	102400
Max. battery modules stacked (pcs)	5
Max. battery modules in parallel (pcs)	40
Efficiency
Max. efficiency (%)	96.5
European efficiency (%)	96
MPPT efficiency (%)	>99
Protection
Protection functions	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
Dimensions (W x H x D) (mm)	560 × 330 × 210
Weight (kg)	30
Battery module dimensions (W x H x D) (mm)	450 × 244 × 210
Battery module weight (kg)	22±3
Ingress protection (IP rating)	IP65
Operating temperature range (°C)	−10 – 55
Operating temperature range with optional heating (°C)	−20 – 55
Derating above (°C)	45
Relative humidity (%)	0 – 95
Max. operating altitude (m)	2000
Installation	Floor-mounted, stacked-mounted
Warranty (years)	10
Communication
Communication interfaces	Wi-Fi; Bluetooth; LoRa
Display	LED (SOC, alarm)
Monitoring	Cloud app (remote monitoring and control); local Bluetooth (offline control)
Battery module communication interface	LoRa
Certifications
Certifications and standards	IEC 62619; UN38.3; IEC/EN 62109-1; IEC/EN 62109-2; IEC/EN 61000-6-1/2/3/4
Battery module certification	UN38.3; IEC 62619; CE
Grid codes	VDE 4105; IEC 61727/62116; VDE 0126; AS 4777.2; CEI 0-21; EN 50549-1; G98; C10-11; UNE 217002