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SPF 4000TL HVM vs POW-HVM4.2M-24V-N 2 of 8 identical Swap Change inverters

Growatt SPF 4000TL HVM vs PowMr POW-HVM4.2M-24V-N

Growatt SPF 4000TL HVM
Growatt
SPF 4000TL HVM
4 kW Off-grid
Open inverter page Datasheet PDF
VS
PowMr
POW-HVM4.2M-24V-N
4.2 kW Off-grid
Open inverter page Datasheet PDF
The verdict

POW-HVM4.2M-24V-N leads on the differences that matter

The largest is rated ac power: 0.20 kW apart. 2 of 8 comparable parameters are identical, with 24 more left out because at least one datasheet does not publish them.

See all 6 differences
How alike are they
2 of 8 comparable
parameters are identical
identical differs not published
01

What actually differs

6 of 8 parameters
Parameter SPF 4000TL HVM POW-HVM4.2M-24V-N Difference
Rated AC power 4.00 kW 4.20 kW 0.20 kW apart
Max AC power 4.00 kW 4.20 kW 0.20 kW apart
Max PV power 4.50 kW 6.20 kW 1.70 kW apart
DC/AC ratio 1.12 1.48 0.35 more oversizing headroom
Weight 11.0 kg 9.5 kg 1.5 kg lighter
Weight per kW 2.8 kg/kW 2.3 kg/kW 0.5 kg/kW lighter
02

Full specification

Parameter SPF 4000TL HVM POW-HVM4.2M-24V-N Difference
AC output
Rated AC power 4.00 kW 4.20 kW 0.20 kW apart
Max AC power 4.00 kW 4.20 kW 0.20 kW apart
Grid connection Single-phase - Not published by PowMr
Nominal AC voltage 230 V - Not published by PowMr
Max AC current - 18.2 A Not published by Growatt
PV input
Max PV power 4.50 kW 6.20 kW 1.70 kW apart
DC/AC ratio 1.12 1.48 +0.35 for POW-HVM4.2M-24V-N
Max DC voltage 145 V - Not published by PowMr
MPPT voltage range 30-115 V - Not published by PowMr
Start voltage - - Neither datasheet publishes this
MPP trackers - - Neither datasheet publishes this
Strings per tracker - - Neither datasheet publishes this
Max input current per tracker - - Neither datasheet publishes this
Efficiency
European efficiency - - Neither datasheet publishes this
Max efficiency 93.0 % - Not published by PowMr
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 24VDC or 48VDC (model-dependent) - Not published by PowMr
Max charge current - - Neither datasheet publishes this
Backup power - - Neither datasheet publishes this
Physical
Weight 11.0 kg 9.5 kg -1.5 kg for POW-HVM4.2M-24V-N
Weight per kW 2.8 kg/kW 2.3 kg/kW -0.5 kg/kW for POW-HVM4.2M-24V-N
Dimensions 455x350x130 mm - Not published by PowMr
Ingress protection - - Neither datasheet publishes this
Cooling - - Neither datasheet publishes this
Noise - - Neither datasheet publishes this
Max operating temperature 55 °C - Not published by PowMr
Connectivity and safety
Wi-Fi Yes Yes Same
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.