ZT-One 15kWh
The Zephyr Tech ZT-One Powerwall Battery – 15.36kWh. Engineered for homes with larger energy demands, the ZT-One Powerwall 15.36kWh is designed to store energy from a solar panel system, or from the grid during off-peak times to save for use during peak demand. With smart integration options and cutting-edge lithium solid-state battery cells, it ensures long-lasting performance, safety, and reliability.
Need us to install your battery? Here's how it works:
- We visit your site — to check the ideal battery location and prepare for a seamless install.
- We handle the technical stuff — including grid approvals (DNO), so you stay compliant
- Our ZT approved contractors install your system — clean, fast, and to the highest standards
- You start saving — monitor usage, cut bills, and enjoy real energy independence
No guesswork. No surprises. Just a smarter power setup, done right. Simply select installation by ZT at the checkout.
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Product Information
Nominal Capacity: 15.36kWh (300Ah)Nominal Voltage: 51.2VCycle Life: >6000 cycles (@80% DoD)Efficiency of Charge/Discharge: 100% / 98–99%Monthly Self-Discharge: <3%Charge Voltage: 58.4V ±1VMax. Charge/Discharge Current: 100A / 200AInternal Resistance: ≤30mΩMounting Options: Floor mountDimensions: 760mm x 530mm x 270mmWeight: 130kgBattery Chemistry: LiFePO₄Smart Monitoring: Compatible with SunsynkAppWarranty: 10 Years (T&Cs apply)