EP Cube vs Duracell

Comparing EP Cube and Duracell home batteries for UK homes. Every price below is fully installed by an MCS-certified installer.

Installed from

£3,770

£4,700

Best £ per kWh

£291

£294

Sizes

5, 10, 15, 20 kWh

16 kWh

Warranty

15 years battery / 10 years inverter

10 years

Cycle life

6,000+

8,000

IP rating

IP67 (battery) / IP65 (system)

IP65

Solar panels

Hybrid – direct solar input (2 MPPT, up to 10 kWp)

Hybrid or AC-coupled (depends on inverter)

Chemistry

LFP

App

EP Cube app

Duracell Energy

Lowest entry price

EP Cube

Best value per kWh

EP Cube

Largest single system

EP Cube

Why EP Cube

All-in-one. Inverter and battery in one unit, so installs are quicker and tidier.
Grows in 5 kWh steps. Start at 5 kWh and add blocks up to 20 kWh in a single tower.
Whole-home backup. Built-in automatic switchover keeps the house running in a power cut, up to 7.6 kW.
IP67 battery. Water and dust-tight battery modules, suitable for outdoor installation.

8,000 cycles. One of the highest cycle ratings in its class, with a 10-year warranty.
Outdoor ready. IP65 rated and fanless, so it runs silently inside or outside.
UK support. Designed, warrantied and supported by a UK company.
Expandable. Modules auto-balance, so you can add capacity later.