Battery Inverter SMA Sunny Boy battery storage 2.5
  • Battery Inverter SMA Sunny Boy battery storage 2.5

Hybrid Inverter SMA Sunny Boy battery storage 2.5

Tax included

SMA three-phase hybrid solar inverter for grid connection of 2500 AC with 3 MPPT with an efficiency of 96.1 % and a maximum input current of 10 A with convection cooling system. The Sunny Boy storage line is characterised by its flexibility, simplicity and efficiency.

The Sunny Boy Storage inverters are protected against short circuits, overloads and high temperatures and will provide trouble-free operation of your three-phase solar system for many years. Grid-connected hybrid inverter for solar systems with an excellent price/performance ratio. It does not include a transformer and offers IP65 protection.

Product warranty of 5 years.


The Sunny Boy storage 2.5 inverter is characterised by the following features:

  • - Versatile configuration and scalable PV design.
  • - For new and existing plants
  • - Free choice of high-voltage lithium-ion batteries
  • - One-man installation possible
  • - WLAN and intuitive web interface
  • - Transparency through direct connection to Sunny Portal/Sunny Places
  • - The most cost-effective AC-connected system on the market
  • - Dynamic feed-in control for SMA inverters with Webconnect



Sunny Boy Storage 2.5

AC Connection


Rated power (at 230 V, 50 Hz)

2500 W

Max. apparent AC power

2500 VA

Rated AC voltage / range

220 V, 230 V, 240 V/ 180 V to 280

AC Network Frequency/Range

50 Hz, 60 Hz / -5 Hz to + 5Hz

Alternating current max

11 A

Assigned/adjustable power factor

1/ 0.8 inductive to 0.8 capacitive

Power phases / connection phases


Battery DC input


DC power max.

2650 W

Max DC voltage

500 V

Dc voltage min, / DC start voltage

100 V / 100 V

Direct current max.

10 A

Max short circuit current.

18 A

Types of batteries



Max. / European performance

97.5% /  96,1%

Protective devices

Isolation Guard / Network Monitoring

● / ●

DC Reverse Polarity Protection / AC Short Circuit Resistance / Galvanic Separation

 — / ● / —

All-pole sensitive residual current monitoring unit

Protection class / surge category


General data

Dimensions (W/H/D)

450 mm/357 mm/122 mm (17.7 inches/14.1 inches/4.8 inches)

Weight / weight incl. packing

9.2 kg (20.3 lb)

Operating temperature range in battery operation

−40°C to +60°C (−40°F to +140°F)

Noise emission, typical (1 m away)

< 25 dB(A)


No transformer

Cooling method


Entry protection


Climate category


Maximum permissible value for relative humidity




DC/AC connection

Connector / Connector

Viewing via phone, tablet or laptop

Integrated web server

Interfaces: Ethernet / WLAN

● / ●

Communication protocols

Modbus (SMA, Sunspec), Webconnect

Battery communication


Limitation of the integrated dynamic active power (from 0 to 100%)

5/10 year warranty

● / ●

Certificates and authorizations (other on request)

AS4777, C10/11/2012, CEI0-21, CE, DIN EN 62109-1 / IEC 62109-1, G59/3 EN50438, G83/2, NEN 50438, VDE-AR-N4105, VDE0126-1-1, VFR 2014

Certificates and authorizations (in planning)

IEC61727, NRS097, PPC, PPDS, RD 1699

Business model



Data sheet

Power (kW)
0.5 - 0.9
Phase Type
Max Current Input (A)

Specific References


Ficha técnica

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