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WIT 28K-A-US L2 / WIT 28K-AU-US L2 vs SUN-29.9K-SG01HP3-EU-BM3 3 of 12 identical Swap Change inverters

Growatt WIT 28K-A-US L2 / WIT 28K-AU-US L2 vs Deye SUN-29.9K-SG01HP3-EU-BM3

Growatt WIT 28K-A-US L2 / WIT 28K-AU-US L2
Growatt
WIT 28K-A-US L2 / WIT 28K-AU-US L2
28 kW Hybrid
Open inverter page Datasheet PDF
VS
Deye
SUN-29.9K-SG01HP3-EU-BM3
29.9 kW 97.0 % euro Hybrid
Open inverter page Datasheet PDF
The verdict

SUN-29.9K-SG01HP3-EU-BM3 leads on the differences that matter

The largest is rated ac power: 1.90 kW apart. 3 of 12 comparable parameters are identical, with 20 more left out because at least one datasheet does not publish them.

See all 9 differences
How alike are they
3 of 12 comparable
parameters are identical
identical differs not published
01

What actually differs

9 of 12 parameters
Parameter WIT 28K-A-US L2 / WIT 28K-AU-US L2 SUN-29.9K-SG01HP3-EU-BM3 Difference
Rated AC power 28.00 kW 29.90 kW 1.90 kW apart
Max AC power 30.80 kW 29.90 kW 0.90 kW apart
Weight 120.0 kg 80.0 kg 40.0 kg lighter
Weight per kW 4.3 kg/kW 2.7 kg/kW 1.6 kg/kW lighter
Max efficiency 98.0 % 97.6 % 0.4 pp more efficient
Max AC current 85.6 A 45.4 A 40.2 A apart
Ingress protection IP66/NEMA 4X IP65 IP66/NEMA 4X vs IP65
Battery voltage 380~450V 160-800 380~450V vs 160-800
Dimensions 820x1350x501 mm 894x527x294 mm 820x1350x501 mm vs 894x527x294 mm
02

Full specification

Parameter WIT 28K-A-US L2 / WIT 28K-AU-US L2 SUN-29.9K-SG01HP3-EU-BM3 Difference
AC output
Rated AC power 28.00 kW 29.90 kW 1.90 kW apart
Max AC power 30.80 kW 29.90 kW 0.90 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage - 400 V Not published by Growatt
Max AC current 85.6 A 45.4 A 40.2 A apart
PV input
Max PV power - 38.87 kW Not published by Growatt
DC/AC ratio - 1.30 Not published by Growatt
Max DC voltage - 1000 V Not published by Growatt
MPPT voltage range - 150-850 V Not published by Growatt
Start voltage - 180 V Not published by Growatt
MPP trackers - - Neither datasheet publishes this
Strings per tracker - 2 Not published by Growatt
Max input current per tracker - 36.0 A Not published by Growatt
Efficiency
European efficiency - 97.0 % Not published by Growatt
Max efficiency 98.0 % 97.6 % +0.4 pp for WIT 28K-A-US L2 / WIT 28K-AU-US L2
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 380~450V 160-800 380~450V vs 160-800
Max charge current - 100 A Not published by Growatt
Backup power - - Neither datasheet publishes this
Physical
Weight 120.0 kg 80.0 kg -40.0 kg for SUN-29.9K-SG01HP3-EU-BM3
Weight per kW 4.3 kg/kW 2.7 kg/kW -1.6 kg/kW for SUN-29.9K-SG01HP3-EU-BM3
Dimensions 820x1350x501 mm 894x527x294 mm 820x1350x501 mm vs 894x527x294 mm
Ingress protection IP66/NEMA 4X IP65 IP66/NEMA 4X vs IP65
Cooling - forced-air Not published by Growatt
Noise - 65 dB Not published by Growatt
Max operating temperature 60 °C 60 °C Same
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 - 5 yrs Not published by Growatt
03

More useful comparisons

Open all inverters
Same type, similar size
Growatt
Growatt WIT 28K-A-US L2 / WIT 28K-AU-US L2 vs Growatt WT 28K-H-US L2 / WT 28K-HU-US L2
6 differences, the largest is max ac power
Same type, similar size
Growatt
Growatt WIT 28K-A-US L2 / WIT 28K-AU-US L2 vs Growatt MID 29.9K-HU
9 differences, the largest is rated ac power
Same type, similar size
Growatt
Growatt WIT 28K-A-US L2 / WIT 28K-AU-US L2 vs Growatt WIT 29.9K-XHU
8 differences, the largest is rated ac power
Same type, similar size
Fronius International
Deye SUN-29.9K-SG01HP3-EU-BM3 vs Fronius Verto 30.0 Plus
15 differences, the largest is european efficiency
Same type, similar size
Ginlong Solis
Deye SUN-29.9K-SG01HP3-EU-BM3 vs Ginlong Solis S6-EH3P30K-H
13 differences, the largest is max input current per tracker
04

Written summary

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