Heckert Solar

Zeus Smartsystem 800+ Flachdach (890Wp Glass-Glass Bifacial + Marstek MST-MI0800W)

BalconyVDE-AR-N 4105

Stiftung Warentest 2025 price-performance winner ('Gut 2,4', ~329 EUR). German-engineered kit: two 445 Wp bifacial Heckert ZEUS 1.0 glass-glass modules, a Marstek MST-MI0800W microinverter (IP67, 96.5% efficiency, 10-year warranty), NuaSol adjustable flat-roof/ground bracket and 2 m AC cable with Schuko. VDE-AR-N 4105 compliant for German grid feed-in.

890W

DC panel total

800W

AC output

Price not listed — check retailer for current pricing.

View priceManufacturer

System

Kit typeBalcony
Total DC wattage890 W
AC output800 W
Panel count2
SKUHECKERT-ZEUS-SS800-FD-DE

Panel

BrandHeckert Solar
ModelZEUS 1.0
Wattage each445 W
Cell typeMonocrystalline (Glass-Glass)
BifacialYes

Inverter

BrandMarstek
ModelMST-MI0800W
TypeMicroinverter
Efficiency1%
Warranty10 years

Mounting & Install

Mounting includedYes
Mounting typeGround stand
Cable length2 m
Plug typeSchuko
Install difficultyDIY

Smart Features

App monitoringMarstek App
Wi-Fi enabledYes

Compliance & Certifications

UK G98 (≤16A)No
UK G99No
VDE-AR-N 4105 (DE)Yes
CE markedYes
CertificationsCE, VDE-AR-N 4105, IP67 (inverter)

Warranty

Overall25 years (panel) / 10 years (inverter)
Panel25 years
Inverter10 years

Availability

Country of manufactureGermany
Available inGermany, AT
balconybalkonkraftwerkbifacialglass-glasstestsiegermade-in-germanymarstekpreis-leistung

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