2025-04-02
As solar energy becomes the most cost-effective and sustainable power source, the need for intelligent, high-voltage energy storage solutions is greater than ever. The NextSupower 20.48 kWh HV Stack Energy Storage System is a cutting-edge, modular power storage solution designed for homeowners seeking to reduce their electricity bills, secure backup power, and gain energy independence.
With a maximum storage capacity of 20.48 kWh, scalable modular design, and compatibility with high-efficiency hybrid solar inverters, the NextSupower HV Stack delivers unmatched performance, long-term reliability, and seamless integration with solar PV systems. Whether you're living in a grid-tied home or preparing for off-grid capabilities, this system offers a future-proof approach to residential energy management.
The NextSupower HV Stack is a high-voltage energy storage system designed for residential use. It captures electricity from solar panels or the electric grid and stores it for use during:
Grid outages
Nighttime hours
Peak demand periods when energy prices are highest
This system not only helps lower electricity costs, but also enhances energy security and reduces dependency on fossil fuels.
The NextSupower HV Stack features modular lithium iron phosphate (LiFePO4) battery modules that allow users to scale their system up to 20.48 kWh of total storage.
Expandable capacity to meet growing household energy needs
Compact vertical stacking, saving floor space
Flexible installation options for garages, utility rooms, or outdoor enclosures
This makes the NextSupower HV Stack energy storage system ideal for homes with solar panel systems, electric vehicle charging setups, or backup power requirements.
Each NextSupower HV Stack system includes a single-phase hybrid inverter capable of handling:
Up to 10kW PV DC input
Up to 8kW continuous AC output power
This inverter allows direct connection to solar panels, battery modules, and the main AC load panel, streamlining the entire energy flow process.
Combines solar and battery management in one device
Minimizes system complexity and cost
Supports both on-grid and off-grid operation modes
By integrating the inverter, the NextSupower HV Stack system becomes a true all-in-one energy storage solution.
The system’s battery modules are based on LiFePO4 chemistry, the most stable, safe, and long-lasting lithium-ion battery type available.
Long cycle life of 6000+ cycles
Superior thermal stability, preventing overheating or combustion
Consistent performance across a wide temperature range
Environmentally friendly and recyclable
Thanks to this chemistry, the NextSupower HV Stack energy storage system ensures decades of reliable service with minimal degradation.
The NextSupower HV Stack system includes access to a user-friendly mobile monitoring app that provides:
Real-time battery performance metrics
Historical usage and savings data
Remote control of energy modes and schedules
Alerts and maintenance notifications
This smart monitoring platform empowers homeowners to optimize their energy consumption and track the value generated from their solar investment.
Store energy during low-cost hours or from solar panels, and discharge it during expensive peak demand periods to lower utility bills.
Maximize solar self-consumption and avoid overpaying for electricity by tapping into your own stored energy.
Protect your home during blackouts, storms, and grid instability by using stored power automatically when the grid goes down.
The system offers long lifespan, low maintenance, and substantial energy savings, making it a cost-effective alternative to other brands like Generac or Tesla Powerwall.
Residential Solar Energy Storage – Optimize rooftop solar and reduce electricity bills
Off-Grid Living – Store and deliver power independently from the utility grid
Smart Homes – Integrate energy management with smart appliances and EV charging
Emergency Backup – Ensure consistent power supply for critical devices during outages
High-voltage performance with scalable energy capacity
All-in-one modular design including inverter, batteries, and enclosure
Smart energy management with app-based controls
Safe, long-life LiFePO4 battery chemistry
Ideal for homes seeking backup, savings, and sustainability
Whether you're enhancing your solar power system, preparing for off-grid living, or simply seeking energy independence, the NextSupower HV Stack offers the power, intelligence, and flexibility to meet your needs.
Invest in a cleaner, more resilient energy future with the NextSupower 20.48 kWh HV Stack Energy Storage System. Backed by proven performance, modular scalability, and intelligent controls, it’s the perfect solution for modern, energy-conscious homeowners.
Contact us today to learn how the NextSupower HV Stack can help you cut costs, reduce emissions, and power your home—your way.
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Itsuwa Technology is a company dedicated to providing reliable energy solutions, committed to delivering innovative, efficient, and sustainable energy products and services.
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A6 Block, Donghuan industrial Zone,Bao'an Town, ShenZhen, Guangdong, China
