---
title: "Deye SUN-40K-G-LV vs Growatt MID 40KTL3-X - Inverter Comparison | ComparePV"
description: "Compare Deye SUN-40K-G-LV vs Growatt MID 40KTL3-X side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification."
source: "https://comparepv.com/compare-inverters/deye-sun-40k-g-lv/growatt-mid-40ktl3-x"
updated: 2026-01-17
---

# Deye SUN-40K-G-LV vs Growatt MID 40KTL3-X

MID 40KTL3-X leads on the differences that matter

The largest is max dc voltage: 300 V apart. 9 of 23 comparable parameters are identical, with 9 more left out because at least one datasheet does not publish them.


## The two inverters


| Attribute | A | B |
| --- | --- | --- |
| Inverter | [Deye SUN-40K-G-LV](https://comparepv.com/inverter/deye-sun-40k-g-lv) | [Growatt MID 40KTL3-X](https://comparepv.com/inverter/growatt-mid-40ktl3-x) |
| Manufacturer | Deye | Growatt |
| Rated AC power | 40 kW | 40 kW |
| Type | Grid-tie | Grid-tie |


## Where they differ

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


| Parameter | SUN-40K-G-LV | MID 40KTL3-X | Difference |
| --- | --- | --- | --- |
| Max DC voltage | 800 V | 1100 V | 300 V apart |
| Max input current per tracker | 40.0 A | 26.0 A | +14.0 A for SUN-40K-G-LV |
| Max PV power | 52.00 kW | 60.00 kW | 8.00 kW apart |
| Weight | 60.0 kg | 30.5 kg | -29.5 kg for MID 40KTL3-X |
| DC/AC ratio | 1.30 | 1.50 | +0.20 for MID 40KTL3-X |
| Weight per kW | 1.5 kg/kW | 0.8 kg/kW | -0.7 kg/kW for MID 40KTL3-X |
| European efficiency | 98.3 % | 98.5 % | +0.2 pp for MID 40KTL3-X |
| Nominal AC voltage | 220 V | 400 V | 180 V apart |
| Max AC current | 115.5 A | 66.6 A | 48.9 A apart |
| Max operating temperature | 65 °C | 60 °C | +5 °C for SUN-40K-G-LV |
| Ingress protection | IP65 | IP66 | IP65 vs IP66 |
| MPPT voltage range | 200-700 V | 200-1000 V | 200-700 V vs 200-1000 V |
| Strings per tracker | 1 | 2 | 1 string apart |
| Dimensions | 575x700x297 mm | 435x580x230 mm | 575x700x297 mm vs 435x580x230 mm |


## Every compared parameter


| Parameter | SUN-40K-G-LV | MID 40KTL3-X |
| --- | --- | --- |
| Rated AC power | 40.00 kW | 40.00 kW |
| Max AC power | 44.00 kW | 44.00 kW |
| Grid connection | 3-phase | 3-phase |
| Nominal AC voltage | 220 V | 400 V |
| Max AC current | 115.5 A | 66.6 A |
| Max PV power | 52.00 kW | 60.00 kW |
| DC/AC ratio | 1.30 | 1.50 |
| Max DC voltage | 800 V | 1100 V |
| MPPT voltage range | 200-700 V | 200-1000 V |
| Start voltage | 250 V | 250 V |
| MPP trackers | 4 | - |
| Strings per tracker | 1 | 2 |
| Max input current per tracker | 40.0 A | 26.0 A |
| European efficiency | 98.3 % | 98.5 % |
| Max efficiency | 98.7 % | 98.8 % |
| CEC efficiency | - | - |
| Battery input | - | - |
| Battery voltage | - | - |
| Max charge current | - | - |
| Backup power | - | - |
| Weight | 60.0 kg | 30.5 kg |
| Weight per kW | 1.5 kg/kW | 0.8 kg/kW |
| Dimensions | 575x700x297 mm | 435x580x230 mm |
| Ingress protection | IP65 | IP66 |
| Cooling | forced-air | forced-air |
| Noise | 55 dB | - |
| Max operating temperature | 65 °C | 60 °C |
| Wi-Fi | Yes | Yes |
| Ethernet | Yes | Yes |
| Arc fault protection | - | Yes |
| Integrated DC switch | Yes | Yes |
| Warranty | - | 5 yrs |


## Related comparisons

- [Deye SUN-40K-G-LV vs Huawei SUN2000-40KTL-M3](https://comparepv.com/compare-inverters/deye-sun-40k-g-lv/huawei-sun2000-40ktl-m3) - 14 differences, the largest is max dc voltage
- [Deye SUN-40K-G-LV vs Solis-40K](https://comparepv.com/compare-inverters/deye-sun-40k-g-lv/ginlong-solis-solis-40k) - 10 differences, the largest is max dc voltage
- [Deye SUN-40K-G-LV vs Sungrow SG40CX-P2](https://comparepv.com/compare-inverters/deye-sun-40k-g-lv/sungrow-sg40cx-p2) - 15 differences, the largest is max dc voltage
- [Growatt MID 40KTL3-X vs Sungrow SG40CX](https://comparepv.com/compare-inverters/growatt-mid-40ktl3-x/sungrow-sg40cx) - 5 differences, the largest is weight


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Source: https://comparepv.com/compare-inverters/deye-sun-40k-g-lv/growatt-mid-40ktl3-x

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