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Home battery · RoyPow · CEC approved July 2025
A 25.44 kWh home battery — medium home size, the 20–30 kWh band.
Read from the figures on this page. No review written yet.
The numbers that matter for a home. The full datasheet is below.
Usable capacity
How much energy it stores for you to use
Continuous power
How much it can run at once — most of a home, but not everything at full tilt
Round-trip efficiency
How much of the energy you store comes back out
Depth of discharge
You can use the whole battery, not just part of it
Warranty
70% of capacity guaranteed at the end of it
Battery chemistry
Lithium iron phosphate — the long-cycle-life type
Every figure on file for the RoyPow RBmax5.5MH series, by section.
| Specification | Value |
|---|---|
| Cell & chemistry | |
| Chemistry | LFP |
| Capacity & power | |
| Nominal capacity | 27.65 kWh |
| Usable capacity | 25.44 kWh |
| Continuous power | 6 kW |
| Peak power | 17 kW |
| Depth of discharge | 100% |
| Round-trip efficiency | 96.2% |
| Nominal voltage | 384 V |
| Lifespan & degradation | |
| Capacity retained at year 10 | 70% |
| Warranted throughput | 150 MWh |
| Modularity & stacking | |
| Modular / stackable | Yes |
| Maximum stack | 0 kWh |
| Backup & grid services | |
| Backup capable | No |
| VPP ready | No |
| Physical | |
| Dimensions (H×W×D) | 200 × 850 × 550 mm |
| Weight | 55 kg |
| IP rating | IP65 |
| Operating environment | |
| Operating temperature | -10°C to 55°C |
Parsed from the manufacturer datasheet, install manual, and warranty document. Confirm against the linked PDFs before relying on a value for a quote or installation.
RoyPow offers a 10-year warranty on residential energy storage systems. It covers defects in material and workmanship, but not misuse or unauthorized repairs. To make a claim, contact support with your purchase details.
10
years
150
MWh
55°
celsius
Level 0
No Backup
We have not verified this brand's Australian support structure. Confirm warranty arrangements with the manufacturer or your installer.
Rated to 55°C, which covers Perth's hottest days.
CSIP-AUS compliant
Inverter must be CSIP-AUS compliant under the current WA framework.
Synergy SSL approved inverter
Needs pairing with a Synergy SSL approved inverter.
VPP activation ready
VPP activation requires a Synergy SSL approved inverter.
WA Battery Scheme rebate
Requires Battery Rewards participation under the current WA framework.
Synergy Battery Rewards
Requires a CSIP-AUS compliant system and reliable internet.
Interest-free loan
Not eligible for interest-free financing.
Under current WA rules, new rebate applications require VPP enrolment and CSIP-AUS compliance. How the scheme works · Estimate VPP earnings
1 year in the Australian market
$22,896
Typical installed price, before rebates
The WA Battery Scheme (up to $1,300) needs a Synergy-approved inverter and VPP enrolment. We don't know which inverter you'd pair this with, so it isn't deducted above — ask your installer. STCs assume about $39.9 a certificate. Estimates only; your quote will vary.
Usable capacity, for one battery system
This battery is one unit in the medium home band. The WA rebate caps at 10 kWh, but that is a rebate limit, not a sizing guide.
Estimated federal rebate (STCs) for this 25.44 kWh battery
The RoyPow 5*RBmax5.5MH against the closest-sized batteries from other brands.
| Specification | RoyPow 5*RBmax5.5MHRoyPow | Pylontech Powercube-H2-48-384VPylontech | Red Earth Energy Storage SRS-332Red Earth Energy Storage |
|---|---|---|---|
| Usable capacity? | 25.44 kWh | 25.56 kWhbest value | 25.56 kWhbest value |
| Continuous power? | 6 kW | Not verified | Not verified |
| Peak power? | 17 kW | Not verified | Not verified |
| Round-trip efficiency? | 96%best value | 92% | 92% |
| Warranty | 10 years | Not verified | Not verified |
| Chemistry | LFP | LFP | LFP |
Specs from the CEC register and datasheet enrichment. Indicative — confirm exact figures with your installer.
Other CEC-approved products from ROYPOW available in Australia.
Get a quote from an installer from our network that covers your area. You choose whether to act on it. No obligation.
This model is one entry in the desk's index of solar batteries for Perth — every CEC-approved battery on one comparable dataset.
Product specifications, pricing, and availability are subject to change without notice. We make no warranties regarding product performance, longevity, or suitability for your specific needs.
Always verify specifications with the manufacturer and installer before purchase. Warranty terms are set by manufacturers and may have conditions not disclosed here. Battery performance degrades over time.