---
title: "Growatt MID 17KTL3-XH vs Growatt WIT 18K-HU - Inverter Comparison | ComparePV"
description: "Compare Growatt MID 17KTL3-XH vs Growatt WIT 18K-HU side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification."
source: "https://comparepv.com/compare-inverters/growatt-mid-17ktl3-xh/growatt-wit-18k-hu"
updated: 2026-01-16
---

# Growatt MID 17KTL3-XH vs Growatt WIT 18K-HU

MID 17KTL3-XH leads on the differences that matter

The largest is rated ac power: 1.00 kW apart. 10 of 24 comparable parameters are identical, with 8 more left out because at least one datasheet does not publish them.


## The two inverters


| Attribute | A | B |
| --- | --- | --- |
| Inverter | [Growatt MID 17KTL3-XH](https://comparepv.com/inverter/growatt-mid-17ktl3-xh) | [Growatt WIT 18K-HU](https://comparepv.com/inverter/growatt-wit-18k-hu) |
| Manufacturer | Growatt | Growatt |
| Rated AC power | 17 kW | 18 kW |
| Type | Hybrid | Hybrid |


## Where they differ

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


| Parameter | MID 17KTL3-XH | WIT 18K-HU | Difference |
| --- | --- | --- | --- |
| Rated AC power | 17.00 kW | 18.00 kW | 1.00 kW apart |
| European efficiency | 98.5 % | 97.0 % | +1.5 pp for MID 17KTL3-XH |
| Max DC voltage | 1100 V | 1000 V | 100 V apart |
| Max input current per tracker | 32.0 A | 40.0 A | +8.0 A for WIT 18K-HU |
| Max efficiency | 98.8 % | 97.6 % | +1.2 pp for MID 17KTL3-XH |
| Max AC power | 17.00 kW | 18.00 kW | 1.00 kW apart |
| Max PV power | 34.00 kW | 36.00 kW | 2.00 kW apart |
| Max charge current | 25 A | 420 A | +395 A for WIT 18K-HU |
| Weight | 31.0 kg | 55.0 kg | -24.0 kg for MID 17KTL3-XH |
| Weight per kW | 1.8 kg/kW | 3.1 kg/kW | -1.2 kg/kW for MID 17KTL3-XH |
| MPPT voltage range | 160-1000 V | 150-850 V | 160-1000 V vs 150-850 V |
| Start voltage | 200 V | 180 V | -20 V for WIT 18K-HU |
| Battery voltage | 600-980 V | 40-60V | 600-980 V vs 40-60V |
| Dimensions | 435x580x230 mm | 695x475x254 mm | 435x580x230 mm vs 695x475x254 mm |


## Every compared parameter


| Parameter | MID 17KTL3-XH | WIT 18K-HU |
| --- | --- | --- |
| Rated AC power | 17.00 kW | 18.00 kW |
| Max AC power | 17.00 kW | 18.00 kW |
| Grid connection | 3-phase | 3-phase |
| Nominal AC voltage | 400 V | 400 V |
| Max AC current | 28.3 A | - |
| Max PV power | 34.00 kW | 36.00 kW |
| DC/AC ratio | 2.00 | 2.00 |
| Max DC voltage | 1100 V | 1000 V |
| MPPT voltage range | 160-1000 V | 150-850 V |
| Start voltage | 200 V | 180 V |
| MPP trackers | - | 2 |
| Strings per tracker | 2 | 2 |
| Max input current per tracker | 32.0 A | 40.0 A |
| European efficiency | 98.5 % | 97.0 % |
| Max efficiency | 98.8 % | 97.6 % |
| CEC efficiency | - | - |
| Battery input | Yes | Yes |
| Battery voltage | 600-980 V | 40-60V |
| Max charge current | 25 A | 420 A |
| Backup power | - | - |
| Weight | 31.0 kg | 55.0 kg |
| Weight per kW | 1.8 kg/kW | 3.1 kg/kW |
| Dimensions | 435x580x230 mm | 695x475x254 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 | - | - |
| Arc fault protection | Yes | - |
| Integrated DC switch | Yes | Yes |
| Warranty | 5 yrs | - |


## Related comparisons

- [Growatt MID 17KTL3-XH vs Huawei SUN5000-17K-MB0](https://comparepv.com/compare-inverters/growatt-mid-17ktl3-xh/huawei-sun5000-17k-mb0) - 12 differences, the largest is max input current per tracker
- [Growatt MID 17KTL3-XH vs Huawei SUN2000-17K-MB0](https://comparepv.com/compare-inverters/growatt-mid-17ktl3-xh/huawei-sun2000-17k-mb0) - 12 differences, the largest is max input current per tracker
- [Growatt MID 17KTL3-XH vs Growatt WIT 17K-XHU](https://comparepv.com/compare-inverters/growatt-mid-17ktl3-xh/growatt-wit-17k-xhu) - 13 differences, the largest is european efficiency
- [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


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Source: https://comparepv.com/compare-inverters/growatt-mid-17ktl3-xh/growatt-wit-18k-hu

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