Sungrow has lowered the entry point on its SBH battery to 15kWh, and that one change settles a question we have been weighing for a while. From now on the SBH is the battery we fit on every new Sungrow inverter and battery install at Perth Solar Warehouse, and we are retiring the older SBR. If you already own a Sungrow hybrid inverter, this is the upgrade path we will point you to. Here is what changed, why it matters, and what it means if Sungrow is already on your wall.
The SBH used to start higher up the range, which made it feel like a battery for big homes and commercial sites. Sungrow’s June update brings in the SBH150 at 15kWh, built from three 5kWh modules. That is the whole story in one number. A 15kWh start puts the SBH squarely in residential territory without giving up any of its headroom.
The rest of the spec is unchanged and strong:
- 5kWh lithium iron phosphate (LFP) modules
- 100% depth of discharge, so you use the full rated capacity
- Scales from 15kWh to 40kWh on a single stack, then up to 4 stacks in parallel for as much as 160kWh
- 10-year standard warranty
- UL 9540B fire-propagation protection built in
The SBR is a good battery, and nothing about that changes. It uses 3.2kWh LFP modules, runs at 100% depth of discharge, and carries the same 10-year warranty. The catch is the ceiling. A single SBR stack tops out at 25.6kWh. For plenty of Perth homes that is more than enough, but it splits our Sungrow range across two products that do much the same job at the smaller end.
The SBH now does everything the SBR did and keeps going well past it.
Sungrow SBR | Sungrow SBH | |
|---|---|---|
Module size | 3.2kWh | 5kWh |
Usable range per stack | 9.6 to 25.6kWh | 15 to 40kWh |
Maximum with parallel stacks | 25.6kWh | 160kWh (4 stacks) |
Depth of discharge | 100% | 100 |
Chemistry | LFP | LFP |
Warranty | 10 years | 10 years |
Running one battery platform across every Sungrow install is simply better for our customers. One set of parts, one design our crews know cold, and a clear path to expand later. So we are consolidating on the SBH.
The SBH is built for Sungrow’s SH-series hybrid inverters, single-phase and three-phase. If you bought a Sungrow hybrid inverter from us, through Kleenheat, or from anyone else over the past few years and left the battery for later, the SBH is the add-on we will quote.
The number of modules you can run depends on your inverter model, so every retrofit starts with what is already on your wall. We check the model, confirm compatibility, and size the battery to your home rather than to a brochure.
Sungrow runs deep across the whole group. It is the system we fit through our retail partnership with Kleenheat, and it is a platform PSW Energy uses on larger and commercial jobs. Standardising on the SBH means the same battery, the same expansion path, and the same support, whichever door you came in through.
The SBH is eligible for the current battery incentives, including the federal Cheaper Home Batteries discount and the WA Residential Battery Scheme. Eligibility conditions apply, the WA scheme requires you to join an approved virtual power plant (VPP), and the amounts can change, so we confirm what you qualify for before you commit. For the current detail, see our guide to battery rebates in WA or check the official scheme pages.
Note. Adding a battery to an existing system counts as an upgrade, so it has to meet Western Power’s current connection requirements, which changed on 1 May 2026. We handle that application as part of the install, so it is our job to get it right, not yours.
I already have an SBR. Is it now obsolete?
No. Your SBR keeps its warranty and its support. We still service SBR systems and can source modules while they remain available. Retiring the SBR only means it is not the battery we fit on new jobs.
Can I start small and expand later?
Yes, and that is the SBH’s strongest argument. Begin at 15kWh, then add modules or whole stacks as your usage grows, up to 160kWh.
Will it work with my existing Sungrow inverter?
If it is an SH-series hybrid, almost certainly. We confirm against your exact model before we quote so there are no surprises.
If Sungrow is already on your wall and you have been waiting for the right time to add storage, the 15kWh SBH is the reason to stop waiting. Book a battery assessment with Perth Solar Warehouse and we will size it to your inverter and your bill.
