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Home battery · Alpha ESS · CEC approved August 2023
A 13.34 kWh home battery — smaller home size, the 10–15 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
How long the manufacturer stands behind it
Battery chemistry
Lithium iron phosphate — the long-cycle-life type
Every figure on file for the Alpha ESS SMILE-BAT-13.3P, by section.
| Specification | Value |
|---|---|
| Cell & chemistry | |
| Chemistry | LFP |
| Cell type | EVE |
| Capacity & power | |
| Nominal capacity | 13.34 kWh |
| Usable capacity | 13.34 kWh |
| Continuous power | 5 kW |
| Peak power | 0 kW |
| Depth of discharge | 100% |
| Round-trip efficiency | 96.5% |
| Nominal voltage | 48 V |
| Lifespan & degradation | |
| Cycle life | 8000 cycles |
| Modularity & stacking | |
| Modular / stackable | Yes |
| Maximum stack | 0 kWh |
| Backup & grid services | |
| Backup capable | No |
| VPP ready | No |
| Physical | |
| Dimensions (H×W×D) | 210 × 610 × 627 mm |
| Weight | 30 kg |
| IP rating | IP65 (Outdoor) |
| Operating environment | |
| Operating temperature | -10°C to 50°C |
| Installation requirements | |
| Cable gauge | 25 mm² |
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.
Alpha ESS provides a 5-year warranty for its solar products, covering defects and major performance failures. This warranty does not cover damages due to improper installation, non-compliance with guidelines, environmental exposure, or normal wear and tear.
5
years
∞
MWh
50°
celsius
Level 0
No Backup
Alpha ESS Australia
Direct manufacturer warranty. Australian consumer law applies.
Rated to 50°C, which covers Perth's hottest days.
CSIP-AUS compliant
On the Synergy Supported Solutions List (SSL) for remote management.
Synergy SSL approved inverter
Pairs with ALPHA ESS CO LTD SMILE.
VPP activation ready
Ready for Synergy VPP participation.
WA Battery Scheme rebate
Up to $1,300 for Synergy customers (10kWh max eligible).
Synergy Battery Rewards
Earns credits during VPP activation events (up to 30/year).
Interest-free loan
Qualifies for up to $10,000 interest-free.
Under current WA rules, new rebate applications require VPP enrolment and CSIP-AUS compliance. How the scheme works · Estimate VPP earnings
9 years in the Australian market
Extracted from the installation manual
Showing 14 of 14. The official install manual is the authoritative source — always confirm before acting.
100007criticalCall your installerInsulation Fault
100008criticalCall your installerGround Fault Circuit Interrupter Fault
100025criticalCall your installerBattery Over Voltage
100026criticalCall your installerBattery Under Voltage
100027criticalCall your installerBattery Connection Fault
100042criticalCall your installerOutput Short Circuit
100005warningBus Over Voltage
100010warningCall your installerGrid Relay Fault
100012warningPV Reverse
100030warningBattery Discharge Over Current
100038warningCall your installerOutput DC Over Current
100041warningCall your installerOutput DC Over Voltage
100043warningOutput Overload
110006warningCall your installerOver Temperature Alarm
$12,006
Typical installed price, before rebates
The WA Battery Scheme pays $1,300 on this size when it is installed with a Synergy-approved inverter and enrolled in a VPP. 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 smaller 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 13.34 kWh battery
The Alpha ESS SMILE-BAT-13.3P against the closest-sized batteries from other brands.
| Specification | Alpha ESS SMILE-BAT-13.3PAlpha ESS | Redx RX-5013PlusRedx | Redx RX-7013PlusRedx |
|---|---|---|---|
| Usable capacity? | 13.34 kWh | 13.37 kWhbest value | 13.37 kWhbest value |
| Continuous power? | 5 kW | Not verified | Not verified |
| Peak power? | 0 kW | Not verified | Not verified |
| Round-trip efficiency? | 97%best value | 92% | 92% |
| Warranty | 5 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 AlphaESS 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.