---
title: "GoodWe GW12KT-DT vs Sungrow SG12KTL-M - Inverter Comparison | ComparePV"
description: "Compare GoodWe GW12KT-DT vs Sungrow SG12KTL-M side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification."
source: "https://comparepv.com/compare-inverters/goodwe-gw12kt-dt/sungrow-sg12ktl-m"
updated: 2026-01-16
---

# GoodWe GW12KT-DT vs Sungrow SG12KTL-M

9 differences, and they point both ways

The largest is max dc voltage: 100 V apart. 9 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 GW12KT-DT](https://comparepv.com/inverter/goodwe-gw12kt-dt) | [Sungrow SG12KTL-M](https://comparepv.com/inverter/sungrow-sg12ktl-m) |
| Manufacturer | GoodWe | Sungrow |
| Rated AC power | 12 kW | 12 kW |
| Type | Grid-tie | Grid-tie |


## Where they differ

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


| Parameter | GW12KT-DT | SG12KTL-M | Difference |
| --- | --- | --- | --- |
| Max DC voltage | 1000 V | 1100 V | 100 V apart |
| European efficiency | 97.7 % | 98.1 % | +0.4 pp for SG12KTL-M |
| Max AC power | 13.20 kW | 12.00 kW | 1.20 kW apart |
| Weight | 18.0 kg | 20.0 kg | -2.0 kg for GW12KT-DT |
| Max efficiency | 98.3 % | 98.6 % | +0.3 pp for SG12KTL-M |
| Start voltage | 160 V | 250 V | -90 V for GW12KT-DT |
| MPPT voltage range | 180-850 V | 200-1000 V | 180-850 V vs 200-1000 V |
| Dimensions | 433x354x155 mm | 485x370x160 mm | 433x354x155 mm vs 485x370x160 mm |
| Cooling | forced-air | natural | forced-air vs natural |


## Every compared parameter


| Parameter | GW12KT-DT | SG12KTL-M |
| --- | --- | --- |
| 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 | 20.3 A | 20.0 A |
| Max PV power | - | - |
| DC/AC ratio | - | - |
| Max DC voltage | 1000 V | 1100 V |
| MPPT voltage range | 180-850 V | 200-1000 V |
| Start voltage | 160 V | 250 V |
| MPP trackers | 2 | 2 |
| Strings per tracker | - | 1 |
| Max input current per tracker | - | 11.0 A |
| European efficiency | 97.7 % | 98.1 % |
| Max efficiency | 98.3 % | 98.6 % |
| CEC efficiency | - | - |
| Battery input | - | - |
| Battery voltage | - | - |
| Max charge current | - | - |
| Backup power | - | - |
| Weight | 18.0 kg | 20.0 kg |
| Weight per kW | 1.5 kg/kW | 1.7 kg/kW |
| Dimensions | 433x354x155 mm | 485x370x160 mm |
| Ingress protection | IP65 | IP65 |
| Cooling | forced-air | natural |
| Noise | - | - |
| Max operating temperature | 60 °C | 60 °C |
| Wi-Fi | Yes | - |
| Ethernet | Yes | - |
| Arc fault protection | Yes | - |
| Integrated DC switch | Yes | Yes |
| Warranty | - | - |


## Related comparisons

- [GoodWe GW12KT-DT vs Growatt MOD 12KTL3-X](https://comparepv.com/compare-inverters/goodwe-gw12kt-dt/growatt-mod-12ktl3-x) - 10 differences, the largest is european efficiency
- [GoodWe GW12KT-DT vs Growatt MOD 12KTL3-X2(Pro)](https://comparepv.com/compare-inverters/goodwe-gw12kt-dt/growatt-mod-12ktl3-x2-pro) - 10 differences, the largest is european efficiency
- [GoodWe GW12KT-DT vs Sungrow SG12RT-20](https://comparepv.com/compare-inverters/goodwe-gw12kt-dt/sungrow-sg12rt-20) - 8 differences, the largest is max dc voltage
- [Sungrow SG12KTL-M vs GoodWe GW12KLN-DT](https://comparepv.com/compare-inverters/sungrow-sg12ktl-m/goodwe-gw12kln-dt) - 6 differences, the largest is max dc voltage


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Source: https://comparepv.com/compare-inverters/goodwe-gw12kt-dt/sungrow-sg12ktl-m

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