Description

Sunsynk 5.12 kWh LiFePO₄ Lithium-Ion Battery

The Sunsynk 5.12 kWh LiFePO₄ Lithium-Ion Battery is a dependable, high-performance energy storage solution designed for residential and light commercial solar power systems. Built with advanced Lithium Iron Phosphate (LiFePO₄) cell technology, this battery delivers excellent safety, long cycle life, and high efficiency, making it ideal for backup power, load-shedding protection, peak shaving, and maximising solar self-consumption.

With a nominal capacity of 5.12 kWh, the Sunsynk battery provides ample stored energy to power essential household loads such as lights, refrigerators, routers, entertainment systems, and more during grid outages or peak tariff periods. Its smart Battery Management System (BMS) constantly monitors voltage, current, state of charge, and temperature to ensure safe and balanced operation while protecting the battery from over-charge, over-discharge, and thermal stress.

Designed for flexibility and scalability, this battery supports parallel expansion, allowing you to combine multiple units to increase total storage capacity as your energy needs grow. The battery’s compact, modular form factor makes installation simple and space-efficient, whether wall mounted or floor mounted in a garage, utility space, or battery bank.

The Sunsynk 5.12 kWh battery integrates seamlessly with Sunsynk and many hybrid or off-grid inverter systems, enabling efficient energy flow between your PV array, battery storage, and home. Its high round-trip efficiency helps ensure that more of your stored solar energy is available for use, helping lower electricity costs and improve energy independence.

Whether you’re building a new solar energy system or upgrading an existing setup, the Sunsynk 5.12 kWh LiFePO₄ Battery offers a safe, robust, and future-ready energy storage solution tailored for everyday use and South African power conditions.

Technical Specifications

• Brand: Sunsynk

• Model: 5.12 kWh LiFePO₄ Battery

• Battery Type: Lithium Iron Phosphate (LiFePO₄)

• Nominal Energy Capacity: 5.12 kWh (5120 Wh)

• Nominal Voltage: 51.2 V DC

• Usable Capacity: ~95 % recommended depth of discharge

• Cycle Life: ≥ 6 000 cycles @ 80 % DoD

• Battery Management System (BMS): Integrated smart BMS for cell balancing and safety

• Communication Ports: CAN / RS485 (for compatible inverters)

• Installation: Wall-mount or floor-mount compatible

• Scalability: Support parallel connection with multiple units

• Cooling: Natural convection

• Protection Features:

  • Over-charge protection

  • Over-discharge protection

  • Short-circuit protection

  • Over-temperature protection

• Compatible Inverters: Sunsynk, hybrid/off-grid inverters supporting 48V/51.2V batteries

• Operating Temperature Range: ~-20 °C to +60 °C

• Weight: Approx. 55–60 kg (varies by enclosure)

• Dimensions: Approx. 550 × 160 × 865 mm (typical)

• Certifications: IEC, CE, UN38.3 (depending on region)

Sunsynk 5.12kWh – User Manual

Frequently Asked Questions

What is the Sunsynk 5.12kWh LiFePO₄ Battery used for?

It stores energy for backup power, load-shedding protection, and enhanced self-consumption in solar systems.

Can multiple batteries be connected together?

Yes, you can connect multiple units in parallel to increase total storage capacity.

What lithium technology does this battery use?

It uses LiFePO₄ cells for long life, safety, and thermal stability.

Is this battery suitable for load-shedding?

Yes, it provides reliable backup power for areas with frequent load-shedding and unstable grids.

What protections does it include?

The smart BMS protects against over-charge, over-discharge, short circuits, and high temperatures.

https://smartechs.co.za/home-solar-installation-for-dummies-a-simple-guide-for-homeowners/

 

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