AlphaESS
SMILE-G3
97/100 guide matchScales for high household demand
Watch: Overlapping SMILE and SMILE-G3 names make exact battery and inverter codes essential.
View product →Australian buying guide · Home batteries
Best home batteries for a house with a pool and EV
A pool pump and EV can use substantial energy, but both are flexible loads that are often better moved into solar or cheap tariff periods.
- Updated
- Reading time
- 6 minutes
- Author
- Patryk Lazarz (TechManPat)
Quick recommendations
The shortlist.
Ranked from the current catalogue using this guide's rules.
SAJ
B2S HV
97/100 guide matchScales for high household demand
Watch: A large B2S stack does not automatically provide equally large AC output; the selected H2 inverter remains the household power limit.
View product →
Fox ESS
CQ7
97/100 guide matchScales for high household demand
Watch: The smallest approved configuration is already close to 14 kWh, which can be oversized for low overnight use.
View product →Things to consider
What to check before buying.
01Move flexible demand
Schedule pool filtration and most EV charging into solar or cheap periods wherever the equipment allows.
02Use winter data
Summer exports can hide a winter refill problem. Seasonal interval data is much stronger than annual averages.
03Check simultaneous power
EV charging, cooking and air-conditioning can overlap. Dynamic load control may matter more than extra battery kWh.
Product comparison
Compare the guide-qualified products.
The match score measures fit against this guide's published rules. It is not a universal product rating.
| Product | Price | Warranty | Key specifications | Guide match | Actions |
|---|---|---|---|---|---|
| AlphaESSSMILE-G3 | $9,250 | 10 years / conditions apply |
| 97/100 | View productCompare |
| SAJB2S HV | $11,250 | 10 years |
| 97/100 | View productCompare |
| Fox ESSCQ7 | $11,250 | 10 years / current Australian terms apply |
| 97/100 | View productCompare |
 BYDBattery-Box Premium HVM | $12,000 | 10 years |
| 97/100 | View productCompare |
 iStoreSmart String ESS | $12,000 | 10 years / throughput conditions apply |
| 97/100 | View productCompare |
 PylontechForce H3 | $12,250 | 10 years / current Australian terms apply |
| 97/100 | View productCompare |
 FroniusReserva | $12,250 | 10 years |
| 97/100 | View productCompare |
 SungrowSBH100–400 | $12,250 | 10 years / current Australian terms apply |
| 97/100 | View productCompare |
Frequently asked questions
Quick answers before you compare.
Should a battery charge the EV overnight?
It can, but direct solar or cheap-grid charging may be more economical.
How large should it be?
Use measured consumption and the full planner rather than a generic household average.
Is three-phase required?
Not automatically; the car, charger, inverter and desired speed determine the design.
Ready to narrow it down?