Compare inverters.
Exact market specifications side by side, limited to one reviewed comparison category.
Comparison does not establish module compatibility, string sizing, grid approval or safety. W and VA remain separate ratings.
String inverter
2 exact records
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| Specification | GW75K-HTGoodWe Technologies Co., Ltd. · BrazilDeep comparison fields reviewed | G9.9-VBFox ESS · Global / ROW — current -VB manual variantDeep comparison fields reviewed |
|---|---|---|
| AC output | ||
| Rated AC active power | 75000 WNominal output power Official source ↗ | 9900 Wnominal active AC output; scope: AC output; Exact model/market manufacturer evidence; no compatibility, string-sizing, grid or safety approval. Official source ↗ |
| Maximum AC apparent output | 75000 VAMax AC apparent power Official source ↗ | 9900 VAmaximum apparent AC output; scope: AC output; Exact model/market manufacturer evidence; no compatibility, string-sizing, grid or safety approval. Official source ↗ |
| Connection phases | three-phaseConnection phases stated by exact-family official manufacturer source Official source ↗ | 1Official exact-model/family phase identity: single-phase. For North-American split-phase, the literal split-phase descriptor is retained rather than converted to a false phase count. No grid-approval inference. Official source ↗ |
| PV input & tracking | ||
| Independent MPPT trackers | 10MPP trackers Official source ↗ | 2independent MPP trackers; scope: inverter; Exact model/market manufacturer evidence; no compatibility, string-sizing, grid or safety approval. Official source ↗ |
| MPPT operating window minimum | 180 VMPPT operating range Official source ↗ | 60 Voperating MPPT range; scope: MPPT; Exact model/market manufacturer evidence; no compatibility, string-sizing, grid or safety approval. Official source ↗ |
| MPPT operating window maximum | 1000 VMPPT operating range Official source ↗ | 550 Voperating MPPT range; scope: MPPT; Exact model/market manufacturer evidence; no compatibility, string-sizing, grid or safety approval. Official source ↗ |
| DC operating voltage minimum | Unknown | Unknown |
| DC operating voltage maximum | Unknown | Unknown |
| Maximum PV input voltage | 1100 VMax input voltage Official source ↗ | 600 Vmaximum DC voltage; scope: inverter; Exact model/market manufacturer evidence; no compatibility, string-sizing, grid or safety approval. Official source ↗ |
| Maximum input current per tracker/input | 30 AMax input current per MPPT Official source ↗ | 20 / 32 Amaximum input current; scope: input A/input B; raw source cell retained: 20/32; Exact model/market manufacturer evidence; no compatibility, string-sizing, grid or safety approval. Official source ↗ |
| Maximum PV short-circuit current | 45 AMax short circuit current per MPPT Official source ↗ | 26 / 42 Amaximum short-circuit current; scope: input A/input B; raw source cell retained: 26/42; Exact model/market manufacturer evidence; no compatibility, string-sizing, grid or safety approval. Official source ↗ |
| Efficiency & environment | ||
| Maximum conversion efficiency | 98.6 %Max efficiency Official source ↗ | 97.8 %maximum conversion efficiency; scope: efficiency; Exact model/market manufacturer evidence; no compatibility, string-sizing, grid or safety approval. Official source ↗ |
| European efficiency | 98.3 %European efficiency Official source ↗ | 97.4 %European efficiency; scope: efficiency; Exact model/market manufacturer evidence; no compatibility, string-sizing, grid or safety approval. Official source ↗ |
| Operating ambient temperature minimum | -30 °COperating temperature Official source ↗ | -25 °Cambient range and derating threshold; scope: environment; Exact model/market manufacturer evidence; no compatibility, string-sizing, grid or safety approval. Official source ↗ |
| Operating ambient temperature maximum | 60 °COperating temperature Official source ↗ | 60 °Cambient range and derating threshold; scope: environment; Exact model/market manufacturer evidence; no compatibility, string-sizing, grid or safety approval. Official source ↗ |
| Enclosure protection | IP66Ingress Protection Rating Official source ↗ | IP65ingress protection rating; scope: enclosure; Exact model/market manufacturer evidence; no compatibility, string-sizing, grid or safety approval. Official source ↗ |
| Surge protection | DC Type II; AC Type IIProtection table Official source ↗ | Unknown |
| Warranty | ||
| Warranty and eligibility | Unknown | Unknown |