---
title: "GoodWe GW125K-GT vs Growatt MAX 125KTL3-X LV - Inverter Comparison | ComparePV"
description: "Compare GoodWe GW125K-GT vs Growatt MAX 125KTL3-X LV side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification."
source: "https://comparepv.com/compare-inverters/goodwe-gw125k-gt/growatt-max-125ktl3-x-lv"
updated: 2026-01-16
---

# GoodWe GW125K-GT vs Growatt MAX 125KTL3-X LV

6 differences, and they point both ways

The largest is max ac power: 12.50 kW apart. 12 of 18 comparable parameters are identical, with 14 more left out because at least one datasheet does not publish them.


## The two inverters


| Attribute | A | B |
| --- | --- | --- |
| Inverter | [GoodWe GW125K-GT](https://comparepv.com/inverter/goodwe-gw125k-gt) | [Growatt MAX 125KTL3-X LV](https://comparepv.com/inverter/growatt-max-125ktl3-x-lv) |
| Manufacturer | GoodWe | Growatt |
| Rated AC power | 125 kW | 125 kW |
| Type | Grid-tie | Grid-tie |


## Where they differ

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


| Parameter | GW125K-GT | MAX 125KTL3-X LV | Difference |
| --- | --- | --- | --- |
| Max AC power | 137.50 kW | 125.00 kW | 12.50 kW apart |
| Weight | 88.0 kg | 84.0 kg | -4.0 kg for MAX 125KTL3-X LV |
| Max efficiency | 99.0 % | 98.5 % | +0.5 pp for GW125K-GT |
| Nominal AC voltage | 380 V | 400 V | 20 V apart |
| Max AC current | 199.4 A | 198.5 A | 0.9 A apart |
| Dimensions | 650x930x300 mm | 640x970x345 mm | 650x930x300 mm vs 640x970x345 mm |


## Every compared parameter


| Parameter | GW125K-GT | MAX 125KTL3-X LV |
| --- | --- | --- |
| Rated AC power | 125.00 kW | 125.00 kW |
| Max AC power | 137.50 kW | 125.00 kW |
| Grid connection | 3-phase | 3-phase |
| Nominal AC voltage | 380 V | 400 V |
| Max AC current | 199.4 A | 198.5 A |
| Max PV power | - | - |
| DC/AC ratio | - | - |
| Max DC voltage | 1100 V | 1100 V |
| MPPT voltage range | 180-1000 V | 180-1000 V |
| Start voltage | 200 V | 195 V |
| MPP trackers | - | 10 |
| Strings per tracker | 2 | 2 |
| Max input current per tracker | - | 32.0 A |
| European efficiency | - | 98.4 % |
| Max efficiency | 99.0 % | 98.5 % |
| CEC efficiency | - | - |
| Battery input | - | - |
| Battery voltage | - | - |
| Max charge current | - | - |
| Backup power | - | - |
| Weight | 88.0 kg | 84.0 kg |
| Weight per kW | 0.7 kg/kW | 0.7 kg/kW |
| Dimensions | 650x930x300 mm | 640x970x345 mm |
| Ingress protection | IP66 | IP66 |
| Cooling | forced-air | forced-air |
| Noise | - | - |
| 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

- [GoodWe GW125K-GT vs Ginlong Solis S5-GC125K-HV](https://comparepv.com/compare-inverters/goodwe-gw125k-gt/ginlong-solis-s5-gc125k-hv) - 4 differences, the largest is weight
- [GoodWe GW125K-GT vs Sungrow SG125CX-P2](https://comparepv.com/compare-inverters/goodwe-gw125k-gt/sungrow-sg125cx-p2) - 6 differences, the largest is max ac power
- [GoodWe GW125K-GT vs SOFAR 125KTLX-G4-A](https://comparepv.com/compare-inverters/goodwe-gw125k-gt/sofar-solar-sofar-125ktlx-g4-a) - 6 differences, the largest is max ac power
- [Growatt MAX 125KTL3-X LV vs Ginlong Solis S6-GC125K](https://comparepv.com/compare-inverters/growatt-max-125ktl3-x-lv/ginlong-solis-s6-gc125k) - 7 differences, the largest is max input current per tracker


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Source: https://comparepv.com/compare-inverters/goodwe-gw125k-gt/growatt-max-125ktl3-x-lv

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