BYD Battery-Box HVM 16.6 vs GoodWe ESA 16kWh: Which Home Ba…

Side-by-side comparison of the BYD Battery-Box HVM 16.6 and GoodWe ESA 16kWh home battery systems for Australian homes.

Spec	BYD Battery-Box HVM 16.6	GoodWe ESA 16kWh
Price (supply)	$8,500	$5,300
Capacity	16.6 kWh	16 kWh
Continuous power	8 kW	6 kW
Peak power	12 kW	12 kW
Chemistry	LFP	LFP
Round-trip efficiency	96%	95%
Warranty	10 years	10 years
IP rating	IP55	IP66
Scalable	Yes	Yes
AC coupled	No	Yes
DC coupled	Yes	Yes
Grid forming	Yes	Yes

Spec

BYD Battery-Box HVM 16.6

GoodWe ESA 16kWh

Price (supply)

$8,500

$5,300

Capacity

16.6 kWh

16 kWh

Continuous power

8 kW

6 kW

Peak power

12 kW

Chemistry

LFP

Round-trip efficiency

96%

95%

Warranty

10 years

IP rating

IP55

IP66

Scalable

Yes

AC coupled

Yes

DC coupled

Yes

Grid forming

Yes

Which should you choose?

Cost per kWh

The BYD Battery-Box HVM 16.6 costs $512/kWh of storage and the GoodWe ESA 16kWh costs $331/kWh. The GoodWe ESA 16kWh delivers more storage per dollar.

Storage capacity

The BYD Battery-Box HVM 16.6 stores 16.6 kWh compared to 16 kWh for the GoodWe ESA 16kWh. The difference is modest and may not change your daily experience.

Output power

The BYD Battery-Box HVM 16.6 delivers 8 kW continuous vs 6 kW for the GoodWe ESA 16kWh. Higher continuous power means the battery can run more appliances simultaneously during an outage or when discharging for self-consumption.

Coupling compatibility

The GoodWe ESA 16kWh supports AC coupling, making it compatible with any existing solar inverter. The BYD Battery-Box HVM 16.6 is DC-coupled only and needs a compatible hybrid inverter.

On price

The GoodWe ESA 16kWh is $3,200 less than the BYD Battery-Box HVM 16.6. That is a substantial price difference. Consider whether the extra capacity or features of the BYD Battery-Box HVM 16.6 justify the premium.