---
title: "Ginlong Solis S6-EH3P60K-H(21A) vs Growatt WT 55K-H-US L2 / WT 55K-HU-US L2 - Inverter Comparison | ComparePV"
description: "Compare Ginlong Solis S6-EH3P60K-H(21A) vs Growatt WT 55K-H-US L2 / WT 55K-HU-US L2 side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification."
source: "https://comparepv.com/compare-inverters/ginlong-solis-s6-eh3p60k-h-21a/growatt-wt-55k-h-us-l2-wt-55k-hu-us-l2"
updated: 2026-01-17
---

# Ginlong Solis S6-EH3P60K-H(21A) vs Growatt WT 55K-H-US L2 / WT 55K-HU-US L2

S6-EH3P60K-H(21A) leads on the differences that matter

The largest is rated ac power: 5.00 kW apart. 5 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 | [Ginlong Solis S6-EH3P60K-H(21A)](https://comparepv.com/inverter/ginlong-solis-s6-eh3p60k-h-21a) | [Growatt WT 55K-H-US L2 / WT 55K-HU-US L2](https://comparepv.com/inverter/growatt-wt-55k-h-us-l2-wt-55k-hu-us-l2) |
| Manufacturer | Ginlong Solis | Growatt |
| Rated AC power | 60 kW | 55 kW |
| Type | Hybrid | Hybrid |


## Where they differ

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


| Parameter | S6-EH3P60K-H(21A) | WT 55K-H-US L2 / WT 55K-HU-US L2 | Difference |
| --- | --- | --- | --- |
| Rated AC power | 60.00 kW | 55.00 kW | 5.00 kW apart |
| Max DC voltage | 1000 V | 800 V | 200 V apart |
| Max input current per tracker | 42.0 A | 32.0 A | +10.0 A for S6-EH3P60K-H(21A) |
| Max AC power | 60.00 kW | 55.00 kW | 5.00 kW apart |
| Max PV power | 100.00 kW | 108.00 kW | 8.00 kW apart |
| DC/AC ratio | 1.67 | 1.96 | +0.30 for WT 55K-H-US L2 / WT 55K-HU-US L2 |
| MPP trackers | 4 | 2 | +2 trackers for S6-EH3P60K-H(21A) |
| Weight | 76.0 kg | 140.0 kg | -64.0 kg for S6-EH3P60K-H(21A) |
| Weight per kW | 1.3 kg/kW | 2.5 kg/kW | -1.3 kg/kW for S6-EH3P60K-H(21A) |
| Max efficiency | 97.7 % | 98.0 % | +0.3 pp for WT 55K-H-US L2 / WT 55K-HU-US L2 |
| Nominal AC voltage | 400 V | 208 V | 192 V apart |
| Max AC current | 152.0 A | 168.1 A | 16.1 A apart |
| MPPT voltage range | 150-850 V | 180-600 V | 150-850 V vs 180-600 V |
| Battery voltage | 150 - 800 V | 380-650V | 150 - 800 V vs 380-650V |
| Start voltage | 180 V | 195 V | -15 V for S6-EH3P60K-H(21A) |
| Dimensions | 880x530x290 mm | 1350x820x501 mm | 880x530x290 mm vs 1350x820x501 mm |


## Every compared parameter


| Parameter | S6-EH3P60K-H(21A) | WT 55K-H-US L2 / WT 55K-HU-US L2 |
| --- | --- | --- |
| Rated AC power | 60.00 kW | 55.00 kW |
| Max AC power | 60.00 kW | 55.00 kW |
| Grid connection | 3-phase | 3-phase |
| Nominal AC voltage | 400 V | 208 V |
| Max AC current | 152.0 A | 168.1 A |
| Max PV power | 100.00 kW | 108.00 kW |
| DC/AC ratio | 1.67 | 1.96 |
| Max DC voltage | 1000 V | 800 V |
| MPPT voltage range | 150-850 V | 180-600 V |
| Start voltage | 180 V | 195 V |
| MPP trackers | 4 | 2 |
| Strings per tracker | 2 | - |
| Max input current per tracker | 42.0 A | 32.0 A |
| European efficiency | 97.3 % | - |
| Max efficiency | 97.7 % | 98.0 % |
| CEC efficiency | - | - |
| Battery input | Yes | Yes |
| Battery voltage | 150 - 800 V | 380-650V |
| Max charge current | 168 A | - |
| Backup power | 60.0 kW | - |
| Weight | 76.0 kg | 140.0 kg |
| Weight per kW | 1.3 kg/kW | 2.5 kg/kW |
| Dimensions | 880x530x290 mm | 1350x820x501 mm |
| Ingress protection | IP66 | IP66 |
| Cooling | forced-air | forced-air |
| Noise | - | - |
| Max operating temperature | 60 °C | 60 °C |
| Wi-Fi | Yes | - |
| Ethernet | Yes | - |
| Arc fault protection | - | - |
| Integrated DC switch | Yes | - |
| Warranty | - | - |


## Related comparisons

- [Ginlong Solis S6-EH3P60K-H(21A) vs Growatt WIT 63K-A-US / WIT 63K-AU-US](https://comparepv.com/compare-inverters/ginlong-solis-s6-eh3p60k-h-21a/growatt-wit-63k-a-us-wit-63k-au-us) - 9 differences, the largest is rated ac power
- [Ginlong Solis S6-EH3P60K-H(21A) vs Growatt WIT 63K-AU-US](https://comparepv.com/compare-inverters/ginlong-solis-s6-eh3p60k-h-21a/growatt-wit-63k-au-us) - 11 differences, the largest is rated ac power
- [Ginlong Solis S6-EH3P60K-H(21A) vs Growatt WIT 63K-H-US / WIT 63K-HU-US](https://comparepv.com/compare-inverters/ginlong-solis-s6-eh3p60k-h-21a/growatt-wit-63k-h-us-wit-63k-hu-us) - 19 differences, the largest is rated ac power
- [Growatt WT 55K-H-US L2 / WT 55K-HU-US L2 vs Growatt WIT 55K-A-US L2 / WIT 55K-AU-US L2](https://comparepv.com/compare-inverters/growatt-wt-55k-h-us-l2-wt-55k-hu-us-l2/growatt-wit-55k-a-us-l2-wit-55k-au-us-l2) - 6 differences, the largest is max ac power
- [Growatt WT 55K-H-US L2 / WT 55K-HU-US L2 vs GoodWe GW50K-ET-10](https://comparepv.com/compare-inverters/growatt-wt-55k-h-us-l2-wt-55k-hu-us-l2/goodwe-gw50k-et-10) - 13 differences, the largest is rated ac power
- [Growatt WT 55K-H-US L2 / WT 55K-HU-US L2 vs Ginlong Solis S6-EH3P50K-H](https://comparepv.com/compare-inverters/growatt-wt-55k-h-us-l2-wt-55k-hu-us-l2/ginlong-solis-s6-eh3p50k-h) - 14 differences, the largest is rated ac power


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Source: https://comparepv.com/compare-inverters/ginlong-solis-s6-eh3p60k-h-21a/growatt-wt-55k-h-us-l2-wt-55k-hu-us-l2

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