Batteries

Both are high voltage BYD battery systems that use safe, cobalt-free LFP (lithium iron phosphate) chemistry. The difference is in how they're built. HVM batteries use larger 2.76 kWh modules stacked from three to eight units, giving capacities from about 8.3 kWh up to 22.1 kWh. HVS batteries use smaller 2.56 kWh modules stacked from two to five units, giving capacities from 5.1 kWh up to 12.8 kWh. Both come with a 10 year warranty and are CEC approved. You can view the size range on the HVM and HVS product pages, where you'll also find current pricing.

No. The Fronius Primo GEN24 Plus only supports BYD's high voltage batteries, the HVS and HVM ranges. The LVS and LVL batteries run on 48 volts (low voltage) and are built for 48V inverters instead. If you already have a Fronius Primo GEN24 Plus, you'll want to look at the HVS or HVM range rather than LVS or LVL. If you're not sure which inverter you have, check the model plate or your installation paperwork, and get in touch if you'd like a hand confirming which battery family suits it.

Yes, one setting matters. The Pylontech US5000-B is built with 15 cells in series rather than the usual 16. If your Victron system charges it all the way to its normal 53.2V setting, the individual cells come under more stress than they're designed for and you may see high voltage warnings. To avoid this, set the maximum charge voltage on your Victron system to 52.4V. This is a straightforward settings change for your installer to make during setup, and it's worth checking before the system is switched on.

It depends on the cabinet. The indoor RK2000 cabinet holds up to 10 US5000-B units. If you need the batteries outdoors, the IP55 outdoor cabinet holds up to six units and is weatherproof rated for outside installation. Both cabinets are built specifically to house the US5000-B in a tidy, rack mounted way. Working out how many batteries you actually need is a separate question that depends on your household's energy use, so get in touch and we can help point you in the right direction.

No, not all of them. PowerPlus Energy's LiFe4838P battery cannot be paralleled (connected together) with the ECO4840P, ECO4847P or LiFe4833P models. If you're expanding an existing PowerPlus system, stick to the same model as what you already have. Mixing different models can cause the batteries to charge and discharge unevenly, which isn't good for their lifespan. If you're not sure which model you currently have installed, check your paperwork or the label on the battery itself, and reach out if you'd like help confirming compatibility before you buy.

All three are 48 volt LiFePO4 batteries designed for Deye hybrid inverters, but they suit different setups. The AI-W5.1-B is a modular system, so you can add modules (up to six per cluster) as your storage needs grow. The RW-M6.1-B is a single fixed wall mounted unit, suited to smaller systems that don't need to expand. The RW-F10.2 is a larger floor standing unit for homes wanting more storage in one box. All three are IP65 rated, meaning they can handle both indoor and outdoor installation, and all carry a 10 year warranty.

Sigenergy's battery module is designed as part of a closed ecosystem. It only works together with the SigenStor Energy Controller (the Sigenergy inverter) and can't be used on its own or mixed into a system built around another brand's inverter or battery. If you already have an LG battery running on a different inverter, adding a Sigenergy system generally means starting a separate, self contained setup rather than combining the two. Because every property's wiring and existing equipment is different, this is worth confirming with a licensed electrician or SAA accredited installer before you buy, so the two systems don't conflict with each other.

Buzz Energy stocks several brands that are eligible under the federal Cheaper Home Batteries Program, including BYD, Sigenergy, Pylontech, Sungrow and Deye. To qualify, a battery needs to be CEC (Clean Energy Council) approved and VPP (Virtual Power Plant) capable, and it needs to be paired with an existing or new solar system. Exactly how much rebate you're entitled to depends on your state, your battery's usable capacity and any state level top ups that may stack with the federal amount. For current eligibility details and to check a specific product's rebate status, get in touch with our team or check the product page.