Description
🔋 Sunsynk 20.48kWh HV Battery System
High-Voltage, High-Capacity Energy Storage for Homes & Commercial Sites
The Sunsynk 20.48kWh HV Battery System delivers powerful, scalable, and reliable energy storage designed for high-demand residential and commercial applications. Built using advanced lithium technology and paired with intelligent monitoring and safety controls, it provides a dependable solution for sites requiring large-scale storage and long-term energy savings.
Perfect for properties with EV chargers, heat pumps, commercial machinery, or high electrical usage.
🧠 Key Components of the 20.48kWh HV System
This complete high-voltage storage solution includes:
📦 Included in the Package
🔋 4 x SUN-HV-5.12-BATT
Each unit provides 5.12kWh storage for a total usable capacity of 20.48kWh.
🧠 1 x SUN-HV-BMS
The BMS (Battery Management System) continuously monitors performance, voltage, temperature, and load to ensure safe and optimal operation.
🛡️ 1 x SUN-HV-20.48-BATTRACK-DOOR
A dedicated cabinet with fitted door provides:
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Tidy internal cable routing
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Physical and electrical protection
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Professional, compact installation
⚙️ Technical Specifications
| Specification | Value |
|---|---|
| Total Capacity | 20.48kWh |
| Battery Chemistry | Lithium-Ion (LFP preferred compatibility) |
| Nominal Energy | 61,440 Wh |
| Depth of Discharge (DoD) | 100% usable |
| Voltage Range | High-Voltage System |
| Continuous Discharge Rate | 61,440W |
| 5-Minute Max Discharge | 61,440W |
| 15-Second Surge | 61,440W |
| Max Charge (5 mins) | 61,440W |
| Installation | Cabinet-mounted HV stack |
| Scalability | Expandable with additional HV modules |
💪 Designed for sustained high-output loads and advanced storage applications.
🌍 Why Choose a Sunsynk HV 20.48kWh Battery System?
✔ High-Voltage Efficiency
HV batteries deliver higher charging and discharging efficiency, lower losses, and superior performance with hybrid inverters and commercial loads.
✔ 100% Depth-of-Discharge
Use the battery’s full stored capacity without reducing lifespan — ideal for properties with continuous energy demand.
✔ Commercial-Grade Output
With the ability to continuously discharge at over 60kW, this system supports:
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EV charging hubs
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Commercial refrigeration
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Industrial tools & machinery
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Whole-site backup power
✔ Scalable for Future Demand
Begin with 20.48kWh and expand further for larger installations, business growth, or multi-inverter systems.
🏠 Ideal Applications
| Application | Benefit |
|---|---|
| Large Homes | Power high-demand appliances and overnight use |
| Businesses & Retail | Reduce peak tariffs and secure backup supply |
| EV Charging Sites | Store low-cost energy to charge vehicles |
| Solar Farms & Microgrids | Stabilise production & shift load to high-value times |
⚡ Store off-peak electricity and discharge during peak tariff periods for long-term cost savings.
💚 Sustainable, Reliable & Future-Ready
Installing the Sunsynk 20.48kWh HV Battery System helps you:
🌿 Reduce grid reliance
💷 Control and reduce energy costs
🔋 Unlock whole-site backup capability
📈 Benefit from smart tariff optimisation
🏢 Prepare for net-zero compliance and electrification
A robust energy solution built for tomorrow’s demands — today.
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