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POW-HVM3.2H-24V vs SPF 3000 ES 7 of 14 identical Swap Change inverters

PowMr POW-HVM3.2H-24V vs Growatt SPF 3000 ES

PowMr
POW-HVM3.2H-24V
3 kW Off-grid
Open inverter page Datasheet PDF
VS
Growatt SPF 3000 ES
Growatt
SPF 3000 ES
3 kW Off-grid
Open inverter page Datasheet PDF
The verdict

POW-HVM3.2H-24V leads on the differences that matter

The largest is max efficiency: 1.0 pp more efficient. 7 of 14 comparable parameters are identical, with 18 more left out because at least one datasheet does not publish them.

See all 7 differences
How alike are they
7 of 14 comparable
parameters are identical
identical differs not published
01

What actually differs

7 of 14 parameters
Parameter POW-HVM3.2H-24V SPF 3000 ES Difference
Max efficiency 94.0 % 93.0 % 1.0 pp more efficient
Max PV power 3.00 kW 4.00 kW 1.00 kW apart
DC/AC ratio 1.00 1.33 0.33 more oversizing headroom
Weight 5.4 kg 11.5 kg 6.1 kg lighter
Weight per kW 1.8 kg/kW 3.8 kg/kW 2.0 kg/kW lighter
Max operating temperature 50 °C 55 °C 5 °C more heat tolerant
MPPT voltage range 90-430 V 120-430 V 90-430 V vs 120-430 V
02

Full specification

Parameter POW-HVM3.2H-24V SPF 3000 ES Difference
AC output
Rated AC power 3.00 kW 3.00 kW Same
Max AC power 3.00 kW 3.00 kW Same
Grid connection Single-phase Single-phase Same
Nominal AC voltage 230 V 230 V Same
Max AC current - - Neither datasheet publishes this
PV input
Max PV power 3.00 kW 4.00 kW 1.00 kW apart
DC/AC ratio 1.00 1.33 +0.33 for SPF 3000 ES
Max DC voltage 450 V 450 V Same
MPPT voltage range 90-430 V 120-430 V 90-430 V vs 120-430 V
Start voltage - - Neither datasheet publishes this
MPP trackers 1 1 Same
Strings per tracker - 1 Not published by PowMr
Max input current per tracker - - Neither datasheet publishes this
Efficiency
European efficiency - - Neither datasheet publishes this
Max efficiency 94.0 % 93.0 % +1.0 pp for POW-HVM3.2H-24V
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage - 48VDC Not published by PowMr
Max charge current 80 A - Not published by Growatt
Backup power - - Neither datasheet publishes this
Physical
Weight 5.4 kg 11.5 kg -6.1 kg for POW-HVM3.2H-24V
Weight per kW 1.8 kg/kW 3.8 kg/kW -2.0 kg/kW for POW-HVM3.2H-24V
Dimensions - 485x330x135 mm Not published by PowMr
Ingress protection - IP20 Not published by PowMr
Cooling forced-air - Not published by Growatt
Noise - - Neither datasheet publishes this
Max operating temperature 50 °C 55 °C +5 °C for SPF 3000 ES
Connectivity and safety
Wi-Fi - - Neither datasheet publishes this
Ethernet - - Neither datasheet publishes this
Arc fault protection - - Neither datasheet publishes this
Integrated DC switch - - Neither datasheet publishes this
Warranty
Warranty - - Neither datasheet publishes this
03

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04

Written summary

Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.