Real Battery Performance Data from 1,450+ Verified Perth Installations
Australia's most comprehensive independent battery performance database. No manufacturer bias, no affiliate commissions—just real data from real Perth homeowners.
Verified Installations
1,450
+127 this month
Average Efficiency
95.7%
Roundtrip efficiency
Degradation Rate
1.5%
Per year average
Owner Satisfaction
4.5
Out of 5.0 stars
Why This Database Matters
100% Independent
No manufacturer sponsorships, no affiliate commissions. Just real data from real Perth homeowners.
Perth-Specific
All data from WA installations. Performance validated in Perth's unique climate and electricity market.
Community-Driven
Built by homeowners, for homeowners. Submit your data to help others make informed decisions.
Tracked Battery Models
Tesla Powerwall 3
450 installations tracked
Efficiency
97.5%
Excellent
Degradation
1.2%/yr
Low
Warranty Claims
0.8%
Very reliable
Satisfaction
4.7/5
Highly rated
Common Issues Reported
BYD Battery-Box Premium HVS
280 installations tracked
Efficiency
95%
Excellent
Degradation
1.5%/yr
Low
Warranty Claims
1.2%
Average
Satisfaction
4.5/5
Highly rated
Common Issues Reported
Sungrow SBR HV 9.6
320 installations tracked
Efficiency
94.5%
Good
Degradation
1.8%/yr
Moderate
Warranty Claims
1.5%
Average
Satisfaction
4.4/5
Good
Common Issues Reported
Enphase IQ Battery 5P
180 installations tracked
Efficiency
96%
Excellent
Degradation
1.3%/yr
Low
Warranty Claims
0.9%
Very reliable
Satisfaction
4.6/5
Highly rated
Common Issues Reported
Huawei LUNA2000-15-S0
220 installations tracked
Efficiency
95.5%
Excellent
Degradation
1.6%/yr
Moderate
Warranty Claims
1.8%
Average
Satisfaction
4.3/5
Good
Common Issues Reported
About This Data
Data collected from verified Perth/WA installations by CEC-accredited installers. Efficiency measured at 25°C. Degradation from systems 12+ months old. Community-submitted reports are verified before inclusion.
Last updated: January 2025