Solar inverters · Compare

Deye SUN-7K-SG05LP1-EU vs KOSTAL PLENTICORE G3 7.0

AC power: Deye SUN-7K-SG05LP1-EU 7 kW, KOSTAL PLENTICORE G3 7.0 7 kW. The KOSTAL PLENTICORE G3 7.0 is better on 6 of 11 comparable points.

Who wins where

  • Deye SUN-7K-SG05LP1-EU
  • KOSTAL PLENTICORE G3 7.0
PerformanceEfficiencyNoiseElectricalConnectivity & smartDimensions & weight
Performance: Deye SUN-7K-SG05LP1-EU 63, KOSTAL PLENTICORE G3 7.0 73; Efficiency: Deye SUN-7K-SG05LP1-EU 17, KOSTAL PLENTICORE G3 7.0 51; Noise: Deye SUN-7K-SG05LP1-EU 68, KOSTAL PLENTICORE G3 7.0 40; Electrical: Deye SUN-7K-SG05LP1-EU 43, KOSTAL PLENTICORE G3 7.0 54; Connectivity & smart: Deye SUN-7K-SG05LP1-EU 68, KOSTAL PLENTICORE G3 7.0 68; Dimensions & weight: Deye SUN-7K-SG05LP1-EU 26, KOSTAL PLENTICORE G3 7.0 36

Biggest differences

FactSUN-7K-SG05LP1-EUPLENTICORE G3 7.0
MPPT voltage max.425 V800 V
Max. input current per MPPT32 A17 A
MPP trackers23
Max. PV array power14 kWp10.25 kWp
Noise30 dB(A)39 dB(A)
Weight24.9 kg21.8 kg
All specifications ↓

Score per area = position (0–100) relative to all 238 models in this category; higher is better.

Technical specifications DeyeSUN-7K-SG05LP1-EU KOSTALPLENTICORE G3 7.0
Performance
AC power 7 kW 1 7 kW 2
Max. PV array power 14 kWp ✓ 1 10.25 kWp 2
MPP trackers 2 1 3 ✓ 2
Efficiency
Max. efficiency 97.6 % 1 98.03 % ✓ 2
European efficiency 96.5 % 1 97.2 % ✓ 2
Noise
Noise 30 dB(A) ✓ 1 39 dB(A) 2
Electrical
MPPT voltage min. 150 V 1 140 V ✓ 2
MPPT voltage max. 425 V 1 800 V ✓ 2
Max. input current per MPPT 32 A ✓ 1 17 A 2
Phases 1 1 3 2
Connectivity & smart
Hybrid (battery-ready) Yes 1 Yes 2
Backup power – Yes 2
Wi-Fi / monitoring – Yes 2
Dimensions & weight
Width – 409 mm 2
Height – 561 mm 2
Depth – 237 mm 2
Weight 24.9 kg 1 21.8 kg ✓ 2
Warranty & lifespan
Warranty – 10 years 2

Sources

  1. Single Phase Hybrid Inverter SUN-3.6/5/6/7/7.6/8K-SG05LP1-EU-AM2-P, zonder versienummer — Ningbo Deye Inverter Technology Co., Ltd. · accessed 29 Sept 2026
  2. PLENTICORE Hybrid inverter - G3 4.0-20 kW, 09 / 2025 — KOSTAL Industrie Elektrik GmbH · accessed 29 Sept 2026