FranklinWH previews a hybrid battery for three-phase homes. Here’s what to check.

A promising option for a complicated switchboard

A home battery should fit the house you already own. If yours has three-phase power, that means asking a few more questions than whether the box looks tidy beside the garage. The switchboard rarely gets the glossy brochure treatment, but it deserves a starring role in the quote.

FranklinWH’s 27 October announcement previews a multi-phase hybrid battery system for Australia and New Zealand, with demonstrations planned for All-Energy Australia on 28–29 October. This is an announcement-based look at what buyers should check; we have not tested the system or attended its demonstration.

Disclosure: Fox ESS, SAJ, Sunterra and Solis Storage sponsor Compare’s home-battery category. This article is independent editorial.

Three-phase support starts the conversation

FranklinWH says both configurations support single, split and three-phase grids. That makes the proposed system interesting for households comparing equipment around a three-phase supply. It does not, by itself, tell you which circuits remain powered during a blackout or how much power is available on each phase.

Ask an installer to mark your proposed backup circuits and explain the limits in writing. Put the fridge, lights, air conditioning and any other priority loads on the list. “Three-phase compatible” needs an explanation you can use when the power goes out, not just a tick on a sales sheet.

Capacity and power answer different questions: how much energy you can store, and how much equipment you can run at once. This announcement does not provide either figure. Existing FranklinWH battery specifications should not be treated as specifications for this new system.

Decide what the extra controller would do for you

The announced hybrid design connects directly to solar panels. FranklinWH describes a built-in aPower controller for essential energy management, with an optional external aGate for additional solar, generators, vehicle-to-load (V2L) and Smart Circuits.

For a new solar installation, ask for a complete system design. For existing solar, ask what stays, what changes and whether your current inverter is supported. Direct panel connection alone does not settle a retrofit quote.

If you want the optional connections, get the required hardware and compatible equipment itemised. V2L is not a promise of vehicle-to-grid operation. Nor does mentioning generators establish that your particular generator will work. Our solar, battery and charger compatibility guide covers the questions to bring along.

Smarter scheduling still needs the numbers

FranklinWH also previews Energy Optimiser, which uses tariffs, solar forecasts, consumption habits and battery state of charge to adjust charging and discharging. Connect Portal is aimed at installer qualification, training and leads.

For homeowners, the useful question is which Australian tariffs and services Energy Optimiser will support, when access begins and whether any fee applies. Ask how it handles a backup reserve, too. Software can make decisions; it cannot negotiate a truce between every appliance you own.

As checked on 30 October, the release does not give a final model, capacity, output, Australian approvals, price, warranty or shipping date. It therefore cannot establish a payback period or a ready-to-order product.

My take: keep it on the shortlist, particularly if three-phase flexibility matters. Before committing, get the final datasheet, an installed quote, confirmed local approvals and a delivery commitment. Use our home-battery comparison to organise the alternatives around your household’s needs.