12 kWh Sonnen EcoLinx Smart Battery Storage System, California Model

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The sonnenBatterie ecoLinx 12 is an all-in-one AC coupled 12 kWh solar battery storage solution, with display screen, that integrates seamlessly with smart home automation systems and new or existing solar arrays to power your home or business with clean energy. The Sonnen ecoLinx generation 1.5 battery storage system has a 12 kWh useable capacity and delivers 8 kWh of continuous power. The Sonnen ecoLinx is a safe, all-in-one energy management and clean energy storage solution that integrates directly with front-end home automation systems including Crestron and Control4, and Eaton intelligent circuit breakers to fully manage your home energy usage. This model is compliant with California Rule 21 for smart inverters.

The ecoLinx battery system manages the energy usage throughout the day, providing instantaneous backup power in case of a grid outage and enabling the owner to power their smart home with solar energy, day and night. The energy automation software allows the owner to choose how long the backup power will last during a grid outage and automatically manage how the stored energy is used. The Sonnen ecoLinx uses ecosmart weather forecasting to detect severe weather and automatically increase the amount of energy stored in the battery. This ensures that there will be plenty of power available to keep the lights on and the residents safe in the event of a power outage.

The ecoLinx smart energy storage system uses lithium-iron phosphate (LiFePO4) battery technology, one of the most reliable, safest and longest-lasting storage technologies currently available. LiFePO4 is a popular technology for stationary storage systems due to its uniquely high chemical stability and resulting high reliability, durability and long lifespan.

The Sonnen ecoLinx stores energy when it is cheap and abundant and uses it to power the home or business when energy is more expensive and less abundant. By better managing energy usage throughout the day, ecoLinx uses advanced features including smart demand control and smart load management to lower electricity bills, decrease carbon emissions and maximize clean energy use throughout the day. Certified to UL 9540, UL 1741 (inverter) and UL 1973 (batteries) standards, and backed up by a 15,000 charge cycles or 15-year warranty - includes inverter, battery modules, cabinet and components. Order online or by PHONE 888-498-3331



  • Smart configurable backup power
  • Smart demand control and load management
  • Smart weather forecasting
  • Time-of-use management
  • Solar self-consumption
  • Home automation integration
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Parts / Specifications

ecoLinx 1.5
ecoLinx 12, black unit
Usable capacity (100% DOD):
12 kWh
Nominal power rating (off-grid output at 25 deg C):
8 kW
Nominal power rating (grid-tied output at 25 deg C):
7 kW
Weight (approximate):
724 lbs
Dimensions W“/H“/D“ (approximate):
26 x 84 x 19 inches
Off-grid specification:
Off-grid specification
Continuous AC output current:
33.33 A
Max power:
100ms - 17 KVA, 5 s – 12 KVA, 30 m – 9 KVA
Max AC current (charge/ discharge):
1 ms – 100 A, 100 ms – 70.7 A, 5 s – 50 A, 30 m – 37.5 A
General Specification:
General Specification
Grid integration:
AC coupled
Self-consumption, Backup power, Time-of-use, Energy automation
Energy Automation with adapt:
Smart configurable backup power, Smart demand control / load management, Smart weather forecasting integration
Transfer switch:
Automatic, integrated
Backup capacity:
2 kWh per battery module, up to 10 module
Listed and recognized components:
System certified – UL9540; Battery modules – UL1973; Inverter – UL1741; Transfer switch – UL1008; AC Breaker – UL489
Inverter efficiency:
92.5% CEC weighted, 95.0% peak
Roundtrip efficiency % (Grid<>Battery):
>= 86%
Temperature Range:
41 °F - 113 °F
Forced Air
Communication ports:
Communication protocols / Control:
SunSpec Alliance / API available to select partners
EMC / EMI protection:
FCC Part 15B
AC specification:
AC grid voltage:
120/240 VAC (Split phase)
Max AC grid current:
29 amps
Adjustable frequency range:
+/- 0.7 Hz from nominal
Metering capability:
Power meter for load and PV production (not revenue grade)
Tare losses (W):
60 watts
Transient protection:
IEEE C62.41 Class B
Transfer switch specification:
Current rating:
200 amps switching and overcurrent protection
Voltage rating:
120/240 VAC
UL Recognized Component
Transfer Time:
< 100 ms
Battery Specification:
DC battery input voltage:
44.5–53.5 VDC
Max charge current:
50 A per module
Cell discharge:
2.0 kWh with 100% DoD
Overcharge Protection:
MOSFET & Fuse protection
15 year or 15,000 cycle system warranty – includes inverter, battery modules, cabinet and components
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