Home Battery System · Battery (LiFePO4)
Duracell Power Center Max Hybrid 15kW/40kWh
The Max Hybrid is the value play among whole-home batteries: a 15 kW split-phase hybrid inverter with three MPPT inputs, a generator input, 200A backup, and 5 kWh LFP modules that stack to 80 kWh per inverter. The 15-40 configuration is one of several; the same inverter is sold with banks from 15 kWh up to 80 kWh. Installers like the price per kWh, which undercuts the Powerwall and Enphase by a wide margin, and 15 kW continuous means an air conditioner and an oven can run together. The catch owners and installers raise is the paperwork around it: the product pages list no certifications, so confirm UL 9540 status and local utility interconnection approval before you sign. The 10-year warranty guarantees 70% capacity, shorter than Enphase. The $26,770 is a distributor's price for the 15 kW/40 kWh package. Published peak-output figures range from 24 kW to 30 kW.
15,000 W / 24,000 W surge · up to well pump or a small central AC
- capacity
- 40,000 Wh
- expands to
- 80,000 Wh
- Transfer switch
- transfer-switch ready
Best for Big homes with electric heat or cooking that want whole-home backup and growth room at a lower price per kWh than Tesla or Enphase.