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SUNSYNK NA SUNSYNK-L5.3: WA installer quotes & fit | WattMate
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Battery · SUNSYNK

SUNSYNK NA SUNSYNK-L5.3

CEC approved · Jan 2026

Usable capacity
4.79 kWh
Nominal capacity
5.32 kWh
Continuous power
0 kW
Peak power
0 kW

Value score

52/100
Fair value

Average specs — compare carefully with alternatives.

Usable capacity (DOD)11/15

90% DOD - Good usable capacity

Warranty & terms8/20

5yr | 80% retention - Limited warranty coverage

Round-trip efficiency8/15

90% efficiency - Above average (below mid-range tier standard of 92%)

Cycle life12/15

6,000 cycles - Excellent longevity

Degradation3/10

3%/year degradation - Moderate capacity loss (exceeds mid-range tier max of 2.5%/yr)

Capacity & power

Usable capacityⓘ
4.79 kWh
Nominal capacity
5.32 kWh
Continuous power
0 kW
Peak power
0 kW

Warranty

Warranty period
5 yrs
Warranted throughputⓘ
0 MWh
Capacity at year 10
80%

Chemistry & performance

Chemistry
Lithium Ferro Phosphate (LiFePO4)
Cycle life
6000 cycles
Round-trip efficiencyⓘ
90%
Depth of discharge
90%

Capabilities

VPP ready
—
Backup capable
—
Expandable
Yes

Documents & provenance

Datasheet
PDF
Warranty document
PDF
Specs verified
Verified 2026-05-28

Documents

  • Datasheet
  • Warranty document
  • Installation manual

Specs verified 2026-05-28

Considering this battery?

Get matched with SAA credential-checked WA installers who can quote on it for your home.

Value for money5/10

Price per kWh not available

Heat tolerance (Perth)5/15

Temperature specs not available — scored conservatively for Perth climate

What this means

  • Warranty throughput not specified - check terms before purchase
  • 5yr warranty below mid-range tier standard of 10yr
  • Degradation rate not specified — scored conservatively
  • No temperature data available — critical for Perth garage installations (40-50°C in summer)

Scored independently from manufacturer datasheets and the CEC register across usable capacity, warranty, efficiency, cycle life, degradation, value and heat tolerance. Missing specs are scored conservatively, never assumed.

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About SUNSYNK

We don't have a WattMate dossier for this brand yet — see its manufacturer profile on SolarBatteriesPerth instead.

View on SolarBatteriesPerth