Sunsynk Wall Mount 5.1kWh 51.2V Lithium Battery

Sunsynk Wall Mount 5.1kWh 51.2V Lithium Battery

Sunsynk Wall Mount 5.1kWh 51.2V Lithium Battery

Regular price R 37,144.00 incl. VAT Sale price R 30,265.00 incl. VAT Save R 6,879
R 26,31739 excl. VAT
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Product Description:

Introducing Sunsynk's energy storage module well designed for residential UPS and off-grid applications. Cells produced by BYD, a global leader in lithium-ion battery  development and manufacturing.

The Sunsynk Battery Wall Mount 5.1kWh 51.2V is made up of Lithium Ion phosphate rechargeable batteries rated at 51.2V with 5.1kWh capacity. In addition, the unit has a built-in battery management system to ensure optimal performance at all times.

WARNING: These batteries contain BYD cells, not to be mistaken for the Sunsynk batteries which contain CATL cells. These batteries are almost identical apart from the difference in cell type, but this means you cannot mix BYD and CATL batteries in the same system.

CONVENIENT: Quick installation, wall mounted and standard of 19-inch embedded designed module is comfortable and maintenance. FLEXIBLE CONFIGURATION: Multiple battery modules can be in parallel for expanding capacity and power. Support remote upgrade (Compatible with Sunsynk Inverter). SAFE & RELIABLE Cathode material is made from LiFePO4 with safety performance and long cycle life. The module has less self-discharge, up to 6 months with0uth charging it on shelf, no memory effect, excellent performance of shallow charge and discharge. INTELLEGENT BMS: It has protection functions including over-discharge, over-charge, over-current and over-high or low temperature. The system can automatically manage charge and discharge state and balance current and voltage of each cell. ECO FRIENDLY: The whole module is non-toxic, on-polluting and environmentally friendly. WIDE TEMPERATURE: Working temperature range is from -20­­­°C to 55°C, with excellent discharge performance and cycle life.

Technical Specifications

Main Parameters

Battery Chemistry


Capacity (Ah)



Max.32 pcs in parallel (163.8kWh)

Nominal Voltage


Operating Voltage


Energy (kWh)


Usable Energy (kWh)[1]


Charge/Discharge Current (A) - Recommended [2]


peak (2 mins, 25°C)




Max Charge/Discharge Power


Short Circuit Current


Other Parameters

Recommended Depth of Discharge



440 x 640 x 140

Weight Approximate (kg) 50
Master of LED Indicator

5 LED (SOC 20%~100%)

3 LED (working, alarming, protecting)

IP Rating of Enclosure IP65
Working Temperature

Charge: 0°C~55°C

Discharge: -20°C~55°C

Humidity 5%~95%
Altitude ≤2000m
Cycle Life ≥6000 (25±2­°C,0.5C/0.5C,70%EOL)
Installation Wall Mounted or 19-inch standard cabinet
Communication Port CAN2.0, RS485
Warranty Period 5 years
Life Cycle Power During Warranty Period 16MWh@70%EOL


All solar products, power systems, water heating and gas products and their components must be installed by appropriately qualified personnel. All installations must adhere to local wiring regulations and standards. Sustainable Online will not be held liable for any product malfunctions as a result of incorrectly installed systems.

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