Marstek Venus D Expansion Battery
inkl. 0% USt. - § 12 Abs. 3 UStG
20Auf Lager, Lieferzeit: 3-7 Werktage
20Auf Lager, Lieferzeit: 3-7 Werktage

15-year warranty

TÜV & CE certified
Free shipping
Your benefits
- Annual savings up to €1,797
- 4-MPPT design for 4.4 kW solar input
- 2.2 kW bidirectional power
- 2.2 kW emergency power supply (2.5 kW peak)
- EPS < 15ms
- Expandable storage (starts at 2.56 kWh, up to 15.36 kWh)
- MARSTEK Intelligence (AI) for intelligent energy management
- Plug & Play: Quick setup in 5 minutes
- Long-lasting LFP batteries (6000+ cycles, 15-year lifespan, 10-year warranty)
- IP65 protection & wide temperature range
€1,797 saved – 3,932 kg CO₂ saved
Find out how much the MARSTEK VENUS D can really save – both in costs and emissions.
4-MPPT design for 4kW solar input
Four independent MPPT channels optimize solar energy and efficiently capture up to 4kW.
Modular battery system – expandable up to 15.36kWh
Starts at 2.56 kWh and can be easily expanded to 15.36 kWh as your energy needs grow.
Whole-home emergency power with Smart Box
Power your entire home by connecting multiple Marstek Venus D modules to the SmartBox – with up to 6.6 kW / 46.08 kWh in single-phase or 19.8 kW / 138.24 kWh in three-phase operation.
<15 ms EPS switchover
Switches to emergency power within 15 ms, ensuring uninterrupted operation.
2.2kW emergency power supply
Provides reliable emergency power for essential devices, with short peak loads of up to 2.5kW.
2.2kW bidirectional inverter
Enables both grid charging and feed-in for flexible home energy management.
Self-consumption around the clock
Solar energy powers your home first – any excess is stored immediately. AI intelligently schedules charging during off-peak hours, while the Smart Meter ensures nothing goes to waste. From morning to night: your energy flows efficiently – no feed-in, no interruptions.
AI Mode with MARSTEK Intelligence
With MARSTEK Intelligence at its core, the AI Mode optimizes the energy flow in your home. It automatically schedules charging processes to maximize self-consumption, reduce electricity costs, and ensure a reliable power supply at all times.
Smart control with the MARSTEK app
Enables real-time monitoring and flexible mode selection for complete control over your home energy system.
Maximum self-consumption rate thanks to Smart Meter
Real-time load tracking ensures that every ray of sunshine is stored, not wasted. The system automatically detects when your household needs energy – and stores the rest for later. This way, you maximize your self-consumption without any effort.
Versatile connectivity – complete insights
Bleiben Sie verbunden, wie es Ihnen am besten passt – Bluetooth, Wi-Fi oder Ethernet. Dank zusätzlicher Ethernet-Unterstützung bleibt Ihr System stabil und Ihre Daten sind sicher, auch bei schwankendem Wi-Fi.
Solid reliability – for lasting performance
Venus A offers over 6,000 charge cycles and retains 80% of its capacity for over 15 years. With a 10-year warranty and ongoing support, it ensures long-term, safe, and efficient performance.