Marstek

Saturn B2500-D Balcony Power Plant Storage (2.24 kWh, 2 MPPT, 1600W PV / 800W DC)

HybridBattery includedVDE-AR-N 4105

Plug-and-play DC-coupled storage that sits between balcony solar panels and a microinverter. 2.24 kWh LiFePO4 with 6,000 cycles, 2 MPPT inputs accepting up to 1,600 W of PV, 800 W DC output, IP65 housing, and app monitoring with smart-meter load balancing. Up to four units can be paralleled to 8.96 kWh / 4,800 W PV. Red Dot Design Award 2025 winner.

800W

AC output

2.24

kWh battery

Price not listed — check retailer for current pricing.

View priceManufacturerDatasheet

System

Kit typeHybrid
AC output800 W
Panel count0
SKUMK-SATURN-B2500-D-DE

Panel

BifacialNo

Inverter

Battery

BrandMarstek
ModelSaturn B2500-D
Capacity2.24 kWh
ChemistryLFP
Cycle life6,000 cycles
Warranty10 years

Mounting & Install

Mounting includedNo
Plug typeMC4 (DC pass-through)
Install difficultyPlug-and-play

Smart Features

App monitoringMarstek
Wi-Fi enabledYes

Compliance & Certifications

UK G98 (≤16A)No
UK G99No
VDE-AR-N 4105 (DE)Yes
CE markedYes
CertificationsCE, IP65

Warranty

Overall10 years
Battery10 years

Availability

Country of manufactureChina
Available inGermany, AT, European Union, NL, BE, FR
balconystoragedc-coupledlifepo4expandableip65red-dot-2025

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