---
title: "Growatt WIT 12K-HU vs Huawei SUN2000-12KTL-M1 (High current version) - Inverter Comparison | ComparePV"
description: "Compare Growatt WIT 12K-HU vs Huawei SUN2000-12KTL-M1 (High current version) side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification."
source: "https://comparepv.com/compare-inverters/growatt-wit-12k-hu/huawei-sun2000-12ktl-m1-high-current-version"
updated: 2026-01-16
---

# Growatt WIT 12K-HU vs Huawei SUN2000-12KTL-M1 (High current version)

SUN2000-12KTL-M1 (High current version) leads on the differences that matter

The largest is european efficiency: 1.2 pp more efficient. 6 of 21 comparable parameters are identical, with 11 more left out because at least one datasheet does not publish them.


## The two inverters


| Attribute | A | B |
| --- | --- | --- |
| Inverter | [Growatt WIT 12K-HU](https://comparepv.com/inverter/growatt-wit-12k-hu) | [Huawei SUN2000-12KTL-M1 (High current version)](https://comparepv.com/inverter/huawei-sun2000-12ktl-m1-high-current-version) |
| Manufacturer | Growatt | Huawei |
| Rated AC power | 12 kW | 12 kW |
| Type | Hybrid | Hybrid |


## Where they differ

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


| Parameter | WIT 12K-HU | SUN2000-12KTL-M1 (High current version) | Difference |
| --- | --- | --- | --- |
| European efficiency | 97.0 % | 98.2 % | +1.2 pp for SUN2000-12KTL-M1 (High current version) |
| Max DC voltage | 1000 V | 1100 V | 100 V apart |
| Max efficiency | 97.6 % | 98.6 % | +1.0 pp for SUN2000-12KTL-M1 (High current version) |
| Max AC power | 13.20 kW | 12.00 kW | 1.20 kW apart |
| Max PV power | 19.20 kW | 18.00 kW | 1.20 kW apart |
| Max charge current | 290 A | 17 A | +273 A for WIT 12K-HU |
| Weight | 38.0 kg | 17.0 kg | -21.0 kg for SUN2000-12KTL-M1 (High current version) |
| Weight per kW | 3.2 kg/kW | 1.4 kg/kW | -1.7 kg/kW for SUN2000-12KTL-M1 (High current version) |
| DC/AC ratio | 1.60 | 1.50 | +0.10 for WIT 12K-HU |
| Ingress protection | IP66 | IP65 | IP66 vs IP65 |
| MPPT voltage range | 150-850 V | 140-980 V | 150-850 V vs 140-980 V |
| Start voltage | 180 V | 200 V | -20 V for WIT 12K-HU |
| Battery voltage | 40-60V (rated 51.2V) | 600 V ~ 980 V | 40-60V (rated 51.2V) vs 600 V ~ 980 V |
| Dimensions | 698x475x240 mm | 470x525x166 mm | 698x475x240 mm vs 470x525x166 mm |
| Cooling | forced-air | natural | forced-air vs natural |


## Every compared parameter


| Parameter | WIT 12K-HU | SUN2000-12KTL-M1 (High current version) |
| --- | --- | --- |
| Rated AC power | 12.00 kW | 12.00 kW |
| Max AC power | 13.20 kW | 12.00 kW |
| Grid connection | 3-phase | 3-phase |
| Nominal AC voltage | 400 V | 400 V |
| Max AC current | - | 18.4 A |
| Max PV power | 19.20 kW | 18.00 kW |
| DC/AC ratio | 1.60 | 1.50 |
| Max DC voltage | 1000 V | 1100 V |
| MPPT voltage range | 150-850 V | 140-980 V |
| Start voltage | 180 V | 200 V |
| MPP trackers | - | 2 |
| Strings per tracker | - | 1 |
| Max input current per tracker | - | 13.5 A |
| European efficiency | 97.0 % | 98.2 % |
| Max efficiency | 97.6 % | 98.6 % |
| CEC efficiency | - | - |
| Battery input | Yes | Yes |
| Battery voltage | 40-60V (rated 51.2V) | 600 V ~ 980 V |
| Max charge current | 290 A | 17 A |
| Backup power | - | 3.3 kW |
| Weight | 38.0 kg | 17.0 kg |
| Weight per kW | 3.2 kg/kW | 1.4 kg/kW |
| Dimensions | 698x475x240 mm | 470x525x166 mm |
| Ingress protection | IP66 | IP65 |
| Cooling | forced-air | natural |
| Noise | 50 dB | - |
| Max operating temperature | 60 °C | 60 °C |
| Wi-Fi | - | Yes |
| Ethernet | - | Yes |
| Arc fault protection | - | Yes |
| Integrated DC switch | Yes | Yes |
| Warranty | 5 yrs | - |


## Related comparisons

- [Growatt WIT 12K-HU vs Growatt MID 12KTL3-XH](https://comparepv.com/compare-inverters/growatt-wit-12k-hu/growatt-mid-12ktl3-xh) - 13 differences, the largest is european efficiency
- [Growatt WIT 12K-HU vs Huawei SUN5000-12K-MAP0](https://comparepv.com/compare-inverters/growatt-wit-12k-hu/huawei-sun5000-12k-map0) - 14 differences, the largest is european efficiency
- [Growatt WIT 12K-HU vs Huawei SUN2000-12K-MAP0](https://comparepv.com/compare-inverters/growatt-wit-12k-hu/huawei-sun2000-12k-map0) - 14 differences, the largest is european efficiency
- [Huawei SUN2000-12KTL-M1 (High current version) vs Huawei SUN2000-12KTL-M1](https://comparepv.com/compare-inverters/huawei-sun2000-12ktl-m1-high-current-version/huawei-sun2000-12ktl-m1) - The same specification on paper


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Source: https://comparepv.com/compare-inverters/growatt-wit-12k-hu/huawei-sun2000-12ktl-m1-high-current-version

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