Merak SY Series
Merak SY Series

Merak SY Series

The Merak SY Series works with all major hybrid inverters. Available in 5kWh, 10kWh, and 16kWh, designed for homeowners and installers who want long-life, low-maintenance energy storage.


  • Hassle-free & Long-lasting: Cycle life: 8,000 cycles (80% DOD), Design life: 20 years.

  • Multi-Certification Safety: LFP cells with fire protection module, High safety – no fire, no explosion.

  • Flexible Parallel Connection: Supports up to 15 units in parallel, Auto-addressing, no DIP switch required, Meets different scale requirements:

  • Professional Outdoor Design: IP55 Water & Dust Protection, Worry-free outdoor installation.

  • Quick and Easy Installation: No complex wiring required, Hassle-free setup: Efficient operation & maintenance, Automated & intelligent management.

  • Touchscreen & Maintenance: Touchscreen interaction, Easy-maintenance visual interface, Maintenance via Bluetooth: WiFi remote monitoring,

  • Integrated Functions: Active balancer, Bluetooth, and display (optional).




Get the Merak SY Series Price
ModelSY51.2-314-OD-ASY51.2-314-OD-B
Performance Parameters
CellSquare LFP 314AhSquare LFP 314Ah
Capacity (Ah)314Ah(0.5C@25°C)314Ah(0.5C@25°C)
Voltage (V)51.2 V51.2 V
Energy (Wh)16076.8 Wh16076.8 Wh
Recommended Charge Current75 A75 A
Max Charge Current150 A150 A
Recommended Charge Voltage54.4~55.2V54.4~55.2V
Charge Cut-off Voltage58.4V58.4V
Balancing Voltage>54.4V>54.4V
Recommended Discharge Current125 A125 A
Max Discharge Current250 A250 A
Rec. Disch. Cut-off Voltage44.8V44.8V
Min Discharge Cut-off Voltage>40V>40V
Short Circuit CurrentApprox.500AApprox.500A
General Data
TerminalM8M8
Protection LevelIP55IP55
Self-discharge<=2%/Month<=2%/Month
Cycle Life8000times(0.5C.80%DOD)8000times(0.5C.80%DOD)
Weight123Kg124Kg
Dimensions800*650*200 mm800*700*200 mm
Communication InterfaceRS485/CAN/BluetoothRS485/CAN/Bluetooth
Storage Temperature-5°C to 35°C-5°C to 35°C
Discharge Temperature-20°C to 55°C-20°C to 55°C
Charge Temperature0°C to 45°C0°C to 45°C
ModelSY51.2-100-CSY51.2-200-CSY51.2-314-C
Performance Parameters
CellSquare LFP 100AhSquare LFP 200AhSquare LFP 314Ah
Capacity (Ah)100 Ah(0.5C@25°C)200 Ah(0.5C@25°C)314Ah(0.5C@25°C)
Voltage (V)51.2 V51.2 V51.2 V
Energy (Wh)5120 Wh10240 Wh16076.8 Wh
Rated Charge Current50 A50 A100 A
Max Charge Current100 A100 A200 A
Rated Charge Voltage54.4~55.2V54.4~55.2V54.4~55.2V
Charge Cut-off Voltage58.4V58.4V58.4V
Balancing Voltage>54.4V>54.4V>54.4V
Rated Discharge Current50 A50 A100 A
Max Discharge Current100 A100 A200 A
Rated Discharge Cut-off Voltage44.8V44.8V44.8V
Min Discharge Cut-off Voltage>40V>40V>40V
Short Circuit CurrentApprox.500AApprox.500AApprox.500A
General Data
TerminalM6M6M8
Protection LevelIP21IP21IP21
Self-discharge<=2%/Month<=2%/Month<=2%/Month
Cycle Life8000times(0.5C.80%DOD)8000times(0.5C.80%DOD)8000times(0.5C.80%DOD)
Weight44Kg92Kg120Kg
Dimensions600*210*475 mm600*210*635 mm600*210*900 mm
Communication InterfaceRS485/CAN/RS232/BluetoothRS485/CAN/RS232/BluetoothRS485/CAN/RS232/Bluetooth
LCD Display4.2-inch touch screen4.2-inch touch screen4.2-inch touch screen
Storage Temperature-5°C to 35°C-5°C to 35°C-5°C to 35°C
Discharge Temperature-20°C to 55°C-20°C to 55°C-20°C to 55°C
Charge Temperature0°C to 45°C0°C to 45°C0°C to 45°C
ModelSY25.6-200SY51.2-100SY51.2-200SY51.2-314
Battery Capacity200 Ah(0.5C@25°C)100 Ah(0.5C@25°C)200 Ah(0.5C@25°C)314 Ah(0.5C@25°C)
Nominal Voltage25.6V51.2V51.2V51.2V
Nominal Energy5120Wh5120Wh10240Wh16076.8Wh
Rated Charge Current75A75A75A150A
Rated Discharge Current75A75A75A150A
Max Charge Current150A150A150A300A
Max Discharge Current150A150A150A300A
Protection LevelIP21IP21IP21IP21
TerminalM8M8M8M8
Self-discharge<=2%/Month<=2%/Month<=2%/Month<=2%/Month
Cycle Life8000times(80%DOD)8000times(80%DOD)8000times(80%DOD)8000times(80%DOD)
Dimensions500*500*136 mm442*550*136 mm442*750*230 mm442*860*240 mm
Weight42Kg42Kg92Kg124Kg
Storage Temperature-5°C to 35°C-5°C to 35°C-5°C to 35°C-5°C to 35°C
Discharge Temperature-20°C to 60°C-20°C to 60°C-20°C to 60°C-20°C to 60°C
Charge Temperature0°C to 45°C0°C to 45°C0°C to 45°C0°C to 45°C
ModelSY51.2-100-BSY51.2-200-BSY51.2-314-B
Battery Capacity100 Ah(0.5C@25°C)200 Ah(0.5C@25°C)314 Ah(0.5C@25°C)
Nominal Voltage51.2V51.2V51.2V
Nominal Energy5120Wh10240Wh16076.8Wh
Rated Charge Current75A75A150A
Rated Discharge Current75A75A150A
Max Charge Current150A150A300A
Max Discharge Current150A150A300A
Protection LevelIP21IP21IP21
TerminalPlug-in TerminalPlug-in TerminalPlug-in Terminal
Self-discharge<=2%/Month<=2%/Month<=2%/Month
Cycle Life8000times(80%DOD)8000times(80%DOD)8000times(80%DOD)
Dimensions600*200*450 mm600*200*650 mm600*200*850 mm
Weight52Kg94Kg130Kg
Storage Temperature-5°C to 35°C-5°C to 35°C-5°C to 35°C
Discharge Temperature-20°C to 60°C-20°C to 60°C-20°C to 60°C
Charge Temperature0°C to 45°C0°C to 45°C0°C to 45°C

The Merak SY Series works with all major hybrid inverters. Available in 5kWh, 10kWh, and 16kWh, designed for homeowners and installers who want long-life, low-maintenance energy storage.

  • SY25.6-200 Datasheet 20.13B Download
  • SY51.2-100-B Datasheet 19.32B Download
  • SY51.2-100-C Datasheet 18.6B Download
  • SY51.2-100 Datasheet 19.12B Download
  • SY51.2-200-B Datasheet 19.78B Download
  • SY51.2-200-C Datasheet 19.43B Download
  • SY51.2-200 Datasheet 19.61B Download
  • SY51.2-314-B Datasheet 20.23B Download
  • SY51.2-314-C Datasheet 20.29B Download
  • SY51.2-314-OD-A Datasheet 20.89B Download
  • SY51.2-314-OD-B Datasheet 22.24B Download
  • SY51.2-314 Datasheet 20.06B Download
Leave a Message
Similar Energy Storage Battery Products
Leave a Message
We use cookies to optimise and personalise your experience, but you can choose to opt out of non-essential cookies.
To find out more, read ourPrivacy Policy
Reject
Accept