Hybrid inverter SMA Sunny Island 4.4M

SUNNY ISLAND 4.4M / 6.0H / 8.0H
The most reliable all-in-one solution - easier than ever.
The Sunny Island battery inverter supports a wide range of on-grid and off-grid installations, with attractive features ranging from off-grid operation to home energy management. Users can benefit from SMA's experience having installed over 150,000 Sunny Island inverters worldwide. Thanks to the built-in user interface and standard WLAN and Ethernet interfaces, Sunny Island 4.4M / 6.0H / 8.0H can be commissioned and configured immediately and easily using smartphones or tablets. As a key element of SMA's flexible storage system, Sunny Island temporarily stores self-generated energy in a battery, allowing solar power to be harnessed around the clock.

Its high protection class, wide temperature range and exceptional overload capacity always ensure the reliability required for any application. Intelligent load and energy management ensures system functionality even in critical situations. Sunny Island is the perfect all-in-one solution and comes with a 10-year guarantee.

Communicative
• Sunny Portal based on ennexOS
• Modern communication via Ethernet.
• Commissioning via LAN or WLAN
• Web connection
• Optimized data logging

Reliable
• Extending the warranty from 5 to 10 years is free.
• Very high overload capacity
• IP54 for reliable operation in extreme conditions.

Flexible
• For use with self-consumption systems, battery backup systems and off-grid systems.
• For single and three phase systems
• Modular and expandable
• For lead-acid batteries and approved lithium-ion batteries from various manufacturers.
• Extensive list of approved batteries with a constantly expanding range of batteries.

Technical data Sunny Island 4.4M

AC-2 (External source: utility or generator)

Rated mains voltage/AC voltage range: 230V/172.5-264.5V
Nominal network frequency/permissible frequency range: 50 Hz/40–70 Hz
Maximum AC current for increased self-consumption (mains mode): 14.5 A
Maximum apparent AC power for increased self-consumption (grid mode): 3.3 kVA.
Maximum AC input current: 50A
Maximum AC input power: 11500W
Power factor range: from 0.8 with overexcitation to 0.8 with underexcitation.

AC-1 (autonomous mode, backup battery, load)
Rated mains voltage/AC voltage range: 230V/202-253V
Rated frequency/frequency range (adjustable): 50Hz/45-65Hz
Rated power (at Unom, fnom/25°C/cos φ = 1): 3300 W
AC power at 25°C for 30 minutes/5 minutes/3 seconds: 4400 W/4600 W/5500 W
AC power at 45°C continuous: 3000 W
Rated current/maximum output current (for 60ms): 14.5A/60A
Output voltage total harmonic distortion: <5%
Power factor range: 0.0 for overexcitation to 0.0 for underexcitation.

Battery DC input
Rated input voltage/DC voltage range: 48V/41V to 63V
Maximum battery charging current/nominal DC charging current/
DC discharge current: 75A/63A/75A
Battery type/battery capacity (range): Li-Ion 1), FLA, VRLA/
From 100 Ah to 10,000 Ah (lead-acid)
From 50 Ah to 10,000 Ah (lithium-ion)
Charge control: IUoU charging procedure with automatic full charge and equalization charge

Efficiency/self-consumption of the device
Maximum efficiency: 95.5%
No load/standby consumption: 18W/6.8W

Protective devices (equipment)
AC short circuit / AC overload: ● / ●
Reverse polarity protection DC / DC fuse: − / −
Battery overheating/deep discharge: ● / ●
Overvoltage category according to IEC 60664-1: III

Total information
Dimensions (W/H/D): 467 mm/612 mm/242 mm
Weight: 44 kg
Operating temperature range: −25°C to +60°C.
Protection class according to IEC 62103: I
Climatic category according to IEC 60721: 3K6.
Degree of protection according to IEC 60529: IP54.
RoHS-III Compliant: ●

Features/function
WLAN, Speedwire/Webconnect/SI-SYSCAN (multi-cluster): ● / ● / −
Direct connection to Sunny Portal via Webconnect: ●
Sunny Portal based on ennexOS via SMA Data Manager M or L: ●
Micro SD memory card for advanced data logging: ○
Display via smartphone, tablet, laptop/multifunction relay: ● / 2
Three-phase systems (including rotating magnetic field)2) / battery backup function: ● / ●
State of charge calculation/full charge/equalizing charge: ● / ● / ●
Battery temperature sensor/data cables: ○ / ●
Certificates and approvals: www.SMA-Solar.com.
Cover color yellow/white aluminum: ○ / ○
5/10 year warranty: ● / ● 3)

For standalone applications
Switching time for standby mode (without distribution box or MC-Box) 4): −
Automatic rotating magnetic field detection/generator support: ●/●
Parallel connection/Multi-cluster: − / −
Built-in soft start: ●

Accessories
For standalone applications
Multi-cluster boxes: MC-BOX-6.3/MC-BOX-12.3/MC-BOX-36.3: ○
Battery fuse 5): ○
Charger Sunny Island: SIC50-MPT5) / SI Charger Piggy Back SIC-PB: ○ / ○
Data Manager M: ○
For network applications
Sunny Home Manager / SMA Energy Meter: ○ / ○
Automatic backup switch for backup battery 5): ○

Type designation SI4.4M-13 7)

● Standard Feature ○ Optional Feature — Not available.
All characteristics as of 12.2022.
1) See “List of Approved Batteries” on www.SMA-Solar.com.
2) 3 x Sunny Island
3) Registration devices via the SMA product registration homepage (sma-service.com). SMA Limited Factory Warranty terms apply. For more information, visit SMA-Solar.com.
4) See “Switchovertime-TI-ru-11 | Version 1.1" on the website www.SMA-Solar.com
5) Purchases from external suppliers.
6) Various limits depending on the configured country data set (e.g. VDE-AR-N 4105:2018 = 4.6 kVA and 20 A)
7) SI4.4-13 is not approved for network use in Australia and New Zealand (ANZ market).