No items found.

ZT-One 15kWh

Built for larger homes and greater energy demands, the Zephyr Tech ZT-One 15.36kWh Powerwall delivers powerful, intelligent storage for solar energy or off-peak grid charging. Whether you're running a multi-zone home, EV chargers, or energy-intensive systems, this advanced battery ensures efficiency, savings, and backup when you need it most. Powered by next-gen lithium iron phosphate cells, the ZT-One offers premium safety, long-term reliability, and seamless smart integration — all in a sleek, smart design.

Need us to install your battery? Here's how it works:

  1. We visit your site — to check the ideal battery location and prepare for a seamless install.
  2. We handle the technical stuff — including grid approvals (DNO), so you stay compliant
  3. Our ZT approved contractors install your system — clean, fast, and to the highest standards.
  4. 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.

£ 5,495.00 
In stock
Hurry! One
left
ENQUIRE NOW
Secure Payment
End-to-end secure encryption using Stripe.
Delivery to UK
We deliver to anywhere inside the United Kingdom.
Product Information
  • Nominal Capacity: 15.36kWh (300Ah)
  • Nominal Voltage: 51.2V
  • Cycle Life: >6000 cycles (@80% DoD)
  • Efficiency of Charge/Discharge: 100% / 98–99%
  • Monthly Self-Discharge: <3%
  • Charge Voltage: 58.4V ±1V
  • Max. Charge/Discharge Current: 100A / 200A
  • Internal Resistance: ≤30mΩ
  • Mounting Options: Floor mount
  • Dimensions: 760mm x 530mm x 270mm
  • Weight: 130kg
  • Battery Chemistry: LiFePO₄
  • Smart Monitoring: Compatible with SunsynkApp
  • Warranty: 10 Years (T&Cs apply)
  • Product Dimensions
    Weight
    1300
    g
    Width
    53
    cm
    Height
    760
    cm
    Length
    27
    cm