SMA SUNNY BOY SMART ENERGY Manual

SMA
SUNNY BOY STORAGE
Technical information
SUNNY BOY SMART ENERGY / SUNNY BOY
STORAGE / SUNNY ISLAND
Energy Efficiency of PV Storage Systems
BattWr-Efficiency-TI-en-11 | Version 1.1ENGLISH

Table of Contents
1 Information on this Document................................................. 3
1.1 Validity ............................................................................................... 3
1.2 Target Group ..................................................................................... 3
2 Data Explanation ..................................................................... 4
3 Sunny Boy Smart Energy......................................................... 5
3.1 SB 3600SE-10................................................................................... 5
4 Sunny Boy Storage .................................................................. 7
4.1 SBS2.5-1VL-10................................................................................... 7
5 Sunny Island ............................................................................. 9
5.1 SI4.4M-12 ......................................................................................... 9
Table of Contents SMA Solar Technology AG
Technical informationBattWr-Efficiency-TI-en-112

1 Information on this Document
1.1 Validity
This document uses graphs and tables to describe the energy efficiency of PV storage systems with
the following SMA battery inverters (as of: June 2017, subject to technical changes):
• SB 3600SE (Sunny Boy Smart Energy)
• SBS2.5-1VL-10 (Sunny Boy Storage 2.5)
• SI4.4M-12 (SunnyIsland 4.4M)
1.2 Target Group
The information in this document is intended for installers and operators of PV storage systems with
SMAbattery inverters as well as for PV storage system planners.
1 Information on this Document
SMA Solar Technology AG
Technical information 3BattWr-Efficiency-TI-en-11

2 Data Explanation
The data provided was collected in accordance with the guidelines for the standard measurement
of the energy efficiency of PV storage systems. An explanations of the energy conversion paths
provided and the measurement procedure for determining the individual data can be found in the
efficiency guidelines for PV storage systems published by the German Energy Storage Association
(BVES) and the German Solar Industry Association (BSW).
2Data Explanation SMA Solar Technology AG
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3 Sunny Boy Smart Energy
3.1 SB3600SE-10
Characterization of the PV storage system
PV2AC PV2BAT AC2BAT BAT BAT2AC BAT2PV
Energy paths ✓ ✓ ‒ ✓ ✓ ‒
PV Connection
PV rated input power 5200W
PV input voltage* 175V / 350V / 500V
* Nominal voltage or minimum/nominal/maximum voltage
AC Connection
Rated output power* 3680W
* Rated output power PV2AC and BAT2AC
Battery Connection
Battery voltage* 150V
Nominal charging power** 1500W
Nominal discharge power 1500W
* Nominal voltage or minimum/nominal/maximum voltage
** Rated output power AC2BAT
Battery
Sunny Boy 3600 Smart Energy
Battery voltage* - / 150V / -
Battery capacity** 2.09kWh / 2.08kWh / 2.10kWh
Battery efficiency** 94.9% / 96.2% / 97.9%
Power consumption of the battery management
system (no-load operation/standby)
1.7W / 0
* Rated output power AC2BAT
** At 100% and, if applicable, 50% and 25% of the nominal charging/discharge power
Standby losses of the power conversion system
Power consumption during no-load operation
(AC/DC)
16.0W / <0.2W
Power consumption in standby (AC/DC) 3.3W / <0.2W
3 Sunny Boy Smart Energy
SMA Solar Technology AG
Technical information 5BattWr-Efficiency-TI-en-11

Control characteristics of the power conversion system
Average stationary deviation of the charging
power
76W
Average stationary deviation of the discharge
power
3W
Average downtime 2s
Average recovery time 6s
Efficiency Rating of the Energy Conversion Paths
82
86
90
92
94
96
100
80
84
88
98
PV2AC
BAT2AC
PV2BAT
SB 3600SE-10
0
Output power / Rated power
Efficiency [%]
0.4 1.00.80.2 0.6
3Sunny Boy Smart Energy SMA Solar Technology AG
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4 Sunny Boy Storage
4.1 SBS2.5-1VL-10
SUNNY BOY 5.0 with SUNNY BOY STORAGE 2.5
Characterization of the PV storage system
PV2AC PV2BAT AC2BAT BAT BAT2AC BAT2PV
Energy paths ✓ ‒ ✓ ‒ ✓ ‒
AC Connection
Nominal charging power 2500W
Nominal discharge power* 2500W
* Rated output power BAT2AC
Battery Connection
Battery voltage* 100V / 360V / 500V
Nominal charging power** 2500W
Nominal discharge power 2500W
* Nominal voltage or minimum/nominal/maximum voltage
** Rated output power AC2BAT
Battery
Standby losses of the power conversion system
Power consumption during no-load operation
(AC/DC)
8.4W / 10W
Power consumption in standby (AC/DC) 1.8W / 0W
Control characteristics of the power conversion system
Average stationary deviation of the charging
power
-10W
Average stationary deviation of the discharge
power
3W
Average downtime <1s
Average recovery time 4.7s
4 Sunny Boy Storage
SMA Solar Technology AG
Technical information 7BattWr-Efficiency-TI-en-11

Efficiency Rating of the Energy Conversion Paths
82
86
90
92
94
96
100
80
84
88
98
SBS2.5-1VL-10
PV2AC
BAT2AC
AC2BAT
0
Output power / Rated power
Efficiency [%]
0.4 1.00.80.2 0.6
4Sunny Boy Storage SMA Solar Technology AG
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5 SunnyIsland
5.1 SI4.4M-12
Characterization of the PV storage system
PV2AC PV2BAT AC2BAT BAT BAT2AC BAT2PV
Energy paths ✓ ‒ ✓ ✓ ✓ ‒
AC Connection
Nominal charging power 3300W
Nominal discharge power* 3300W
* Rated output power BAT2AC
Battery Connection
Battery voltage* 41V / 48V / 63V
Nominal charging power** 2500W
Nominal discharge power 2500W
* Nominal voltage or minimum/nominal/maximum voltage
** Rated output power AC2BAT
Battery
Mercedes-Benz Energy Storage Home 5.0
Battery voltage* 39.7V / - / 54V
Battery capacity** 3.75kWh / 3.74kWh / 3.69kWh
Battery efficiency 94.3% / 95.5% / 95.2%
Power consumption of the battery management
system (no-load operation/standby)
6W / 4W
* Rated output power AC2BAT
** At 100% and, if applicable, 50% and 25% of the nominal charging/discharge power
Standby losses of the power conversion system
Power consumption during no-load operation
(AC/DC)
3W / 16.1W
Power consumption in standby (AC/DC) 0W / 7.7W
Control characteristics of the power conversion system
Average stationary deviation of the charging
power
-10W
5 Sunny Island
SMA Solar Technology AG
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Average stationary deviation of the discharge
power
6 W
Average downtime 1.2s
Average recovery time 6.5s
Efficiency Rating of the Energy Conversion Paths
82
86
90
92
94
96
100
80
84
88
98
SI4.4M-12
PV2AC
BAT2AC
AC2BAT
0
Output power / Rated power
Efficiency [%]
0.4 1.00.80.2 0.6
5Sunny Island SMA Solar Technology AG
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