---
title: "Growatt WIT 18K-HU vs Huawei SUN5000-17K-MB0 - Inverter Comparison | ComparePV"
description: "Compare Growatt WIT 18K-HU vs Huawei SUN5000-17K-MB0 side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification."
source: "https://comparepv.com/compare-inverters/growatt-wit-18k-hu/huawei-sun5000-17k-mb0"
updated: 2026-01-16
---

# Growatt WIT 18K-HU vs Huawei SUN5000-17K-MB0

SUN5000-17K-MB0 leads on the differences that matter

The largest is rated ac power: 1.00 kW apart. 10 of 25 comparable parameters are identical, with 7 more left out because at least one datasheet does not publish them.


## The two inverters


| Attribute | A | B |
| --- | --- | --- |
| Inverter | [Growatt WIT 18K-HU](https://comparepv.com/inverter/growatt-wit-18k-hu) | [Huawei SUN5000-17K-MB0](https://comparepv.com/inverter/huawei-sun5000-17k-mb0) |
| Manufacturer | Growatt | Huawei |
| Rated AC power | 18 kW | 17 kW |
| Type | Hybrid | Hybrid |


## Where they differ

Ranked by how much the difference matters, not by datasheet order.


| Parameter | WIT 18K-HU | SUN5000-17K-MB0 | Difference |
| --- | --- | --- | --- |
| Rated AC power | 18.00 kW | 17.00 kW | 1.00 kW apart |
| European efficiency | 97.0 % | 98.1 % | +1.1 pp for SUN5000-17K-MB0 |
| Max DC voltage | 1000 V | 1100 V | 100 V apart |
| Max input current per tracker | 40.0 A | 30.0 A | +10.0 A for WIT 18K-HU |
| Max efficiency | 97.6 % | 98.4 % | +0.8 pp for SUN5000-17K-MB0 |
| Max AC power | 18.00 kW | 18.70 kW | 0.70 kW apart |
| Max PV power | 36.00 kW | 25.50 kW | 10.50 kW apart |
| DC/AC ratio | 2.00 | 1.50 | +0.50 for WIT 18K-HU |
| Max charge current | 420 A | 26 A | +394 A for WIT 18K-HU |
| Weight | 55.0 kg | 21.0 kg | -34.0 kg for SUN5000-17K-MB0 |
| Weight per kW | 3.1 kg/kW | 1.2 kg/kW | -1.8 kg/kW for SUN5000-17K-MB0 |
| MPPT voltage range | 150-850 V | 200-1000 V | 150-850 V vs 200-1000 V |
| Start voltage | 180 V | 200 V | -20 V for WIT 18K-HU |
| Battery voltage | 40-60V | 600 V-980 V | 40-60V vs 600 V-980 V |
| Dimensions | 695x475x254 mm | 460x546x228 mm | 695x475x254 mm vs 460x546x228 mm |


## Every compared parameter


| Parameter | WIT 18K-HU | SUN5000-17K-MB0 |
| --- | --- | --- |
| Rated AC power | 18.00 kW | 17.00 kW |
| Max AC power | 18.00 kW | 18.70 kW |
| Grid connection | 3-phase | 3-phase |
| Nominal AC voltage | 400 V | 400 V |
| Max AC current | - | 28.6 A |
| Max PV power | 36.00 kW | 25.50 kW |
| DC/AC ratio | 2.00 | 1.50 |
| Max DC voltage | 1000 V | 1100 V |
| MPPT voltage range | 150-850 V | 200-1000 V |
| Start voltage | 180 V | 200 V |
| MPP trackers | 2 | 2 |
| Strings per tracker | 2 | 2 |
| Max input current per tracker | 40.0 A | 30.0 A |
| European efficiency | 97.0 % | 98.1 % |
| Max efficiency | 97.6 % | 98.4 % |
| CEC efficiency | - | - |
| Battery input | Yes | Yes |
| Battery voltage | 40-60V | 600 V-980 V |
| Max charge current | 420 A | 26 A |
| Backup power | - | - |
| Weight | 55.0 kg | 21.0 kg |
| Weight per kW | 3.1 kg/kW | 1.2 kg/kW |
| Dimensions | 695x475x254 mm | 460x546x228 mm |
| Ingress protection | IP66 | IP66 |
| Cooling | forced-air | forced-air |
| Noise | 55 dB | - |
| Max operating temperature | 60 °C | 60 °C |
| Wi-Fi | Yes | Yes |
| Ethernet | - | Yes |
| Arc fault protection | - | Yes |
| Integrated DC switch | Yes | Yes |
| Warranty | - | - |


## Related comparisons

- [Growatt WIT 18K-HU vs Ginlong Solis S6-EH1P18K03-NV-YD-L](https://comparepv.com/compare-inverters/growatt-wit-18k-hu/ginlong-solis-s6-eh1p18k03-nv-yd-l) - 13 differences, the largest is max dc voltage
- [Growatt WIT 18K-HU vs Fronius Verto 17.5 Plus](https://comparepv.com/compare-inverters/growatt-wit-18k-hu/fronius-international-fronius-verto-17-5-plus) - 15 differences, the largest is rated ac power
- [Growatt WIT 18K-HU vs Growatt MID 17KTL3-XH](https://comparepv.com/compare-inverters/growatt-wit-18k-hu/growatt-mid-17ktl3-xh) - 14 differences, the largest is rated ac power
- [Huawei SUN5000-17K-MB0 vs Huawei SUN2000-17K-MB0](https://comparepv.com/compare-inverters/huawei-sun5000-17k-mb0/huawei-sun2000-17k-mb0) - 4 differences, the largest is max pv power
- [Huawei SUN5000-17K-MB0 vs Growatt WIT 17K-XHU](https://comparepv.com/compare-inverters/huawei-sun5000-17k-mb0/growatt-wit-17k-xhu) - 14 differences, the largest is european efficiency
- [Huawei SUN5000-17K-MB0 vs Growatt WIT 17K-HU](https://comparepv.com/compare-inverters/huawei-sun5000-17k-mb0/growatt-wit-17k-hu) - 14 differences, the largest is european efficiency


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Source: https://comparepv.com/compare-inverters/growatt-wit-18k-hu/huawei-sun5000-17k-mb0

Not in this file, on the page: a written summary generated on request.