ZT-2.0 15kWh
Built for larger homes and demanding energy needs, the Zephyr Tech ZT-2.0 15kWh Powerwall is the ultimate in next-generation storage. Whether powering multi-zone homes, EV charging, or high-consumption systems, its solid-state cells deliver industry-leading safety, efficiency, and durability. Designed for whole-home backup availability and serious energy autonomy, the ZT-2.0 offers maximum capacity in a sleek, advanced package - future-proofing your energy independence with premium performance.
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. Simply choose Battery With Full Installation and check out for £0 — we’ll contact you to confirm your setup and provide a full quote.
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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: 120A / 200AInternal Resistance: ≤30mΩMounting Options: Floor mountDimensions: 684mm x 477mm x 243mmWeight: 130kgBattery Chemistry: LiFePO₄Smart Monitoring: Compatible with SunsynkAppWarranty: 10 Years (T&Cs apply)