Battery

Aquion Aspen 48S-2.2 battery

ZTE Li-ion 2.4kWh battery

LG Chem 6.4EX

Victron 220Ah 12V AGM battery

Storage

2.2kWh

2.4kWh

6.4kWh

2.4kWh

Cycle life

3000 cycles

(at 70% depth of discharge)

4000 cycles

(at 80% depth of discharge)

6000 cycles

(at 90% depth of discharge)

600 cycles

(at 50% depth of discharge)

Useable capacity for daily cycling

1.54kWh @ 70% DOD

1.92kWh @ 80% DOD

5.76kWh @ 90% DOD

1.2kWh @ 50% DOD

Available operating temperature range

-5 to 40°C

-25 to 60°C

0 to 40°C

10 to 30°C

Manufacturer’s warranty

5 years full warranty, then 3 additional years pro-rated

5 year warranty

5 year remaining value warranty

2 year warranty when installed with Victron BMV monitor

Safety

The aqueous electrolyte is non-toxic, non-caustic and non-flammable.

In the event of over-charging the battery remains safe.

Classified as Class 9 hazardous goods. Special provisions are required for shipping.

Built-in cell manager protects the battery.

Classified as Class 9 hazardous goods. Special provisions are required for shipping.

Lead acid has a proven safety record.

Lead is a carcinogen and the sulfuric acid electrolyte is caustic.

Is the system expandable?

Yes – additional batteries can be added for more storage.

For commercial projects a 25.9kW battery is available supplied on a pallet.

Yes – up to 5no ZTE batteries can be installed offering a total of 12kWh capacity.

Yes – up to two 3.2kWh expansion modules can be added offering a total of 12.8kWh capacity.

The 3.2kWh expansion is currently not available until October.

Yes – additional batteries can be connected for more capacity.

Weight

118kg

28kg

60kg

65kg

Typical no. batteries for 4kWp PV system

2 no.

2 no.

1 no.

4 no.