Best Pv Stromspeicher 2026

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Last Updated - 27.03.2026

Best Choice

01

ECO-WORTHY

ECO-WORTHY 48 V 314 Ah LiFePO4 Battery 16.1 kWh Power Storage and Circuit Breakers 200 A PACE BMS RS485/CAN/RS232 for Emergency Power Supply at Home Off-Grid Applications Solar Systems

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9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Zuverlässiger doppelter Schutz: Die ECO-WORTHY 48V 314Ah LiFePO4 Batterie verfügt über ein robustes PACE 200A Batteriemanagementsystem (BMS) und Leistungsschalter (125A*2). Das BMS bietet sechs Sicherheitsstufen, während doppelte Leistungsschalter sowohl die Plus- als auch die Minuspole vor Überlastung oder Kurzschlüssen schützen. Durch die Verwendung von Original-Batteriezellen der Klasse A erreicht sie 6000 Ladezyklen bei einem Gesundheitszustand (SOH) von 80% und gewährleistet so langfristige Zuverlässigkeit und stabile Leistung.Enthält ein 2AWG (150A) Schnellanschlusskabel für einen werkzeuglosen, mühelosen Plug-and-Play-Betrieb mit erhöhter Sicherheit.
Mühelose Einrichtung und Bewegung: Mit integrierten Griffen und Rollen für eine einfache und flexible Positionierung ist die Installation sowohl unkompliziert als auch sicher.
Mehrkanalüberwachung: Bleiben Sie über den Echtzeitstatus und die Kommunikationseinstellungen über das helle 7-Zoll-Farbdisplay (800×480) oder über den Fernzugriff per Bluetooth/WLAN auf dem Laufenden. Die RS232-Schnittstelle ermöglicht außerdem eine einfache PC-Anbindung über eine spezielle Software.
Intelligente Kompatibilität: Ausgestattet mit RS485/CAN Schnittstellen ermöglicht die Batterie eine nahtlose Kommunikation mit gängigen Wechselrichtern und erleichtert so die Regelung und Systemkoordination.
Hinweise zum Transport: Aufgrund ihrer Abmessungen und ihres Gewichts wird die 48V 314Ah Batterie sicher verpackt und auf einer LKW-Palette transportiert, um eine sichere Lieferung zu gewährleisten. Bitte stellen Sie sicher, dass Ihre Lieferadresse für LKWs zugänglich ist. Überprüfen Sie außerdem Ihre Amazon-Nachrichten – unser Kundenservice-Team wird Sie nach Ihrem Kauf kontaktieren, um die Lieferdetails zu bestätigen.
Extra große Kapazität, kompaktes Design: Diese Batterie verfügt nun über eine verbesserte Kapazität von 16,076 kWh und liefert so erhebliche Energie bei geringerem Platzbedarf. Bis zu 15 Einheiten können parallel geschaltet werden, wodurch sich die Kapazität auf 241 Kilowattstunden erhöht – so sind Sie bestens für Stromausfälle gerüstet.
0% MwSt.: 0% MwSt. sind im Preis enthalten. Dieser Preis ist nur für Privatkunden geeignet, die die Voraussetzungen für eine umsatzsteuerfreie Lieferung nach § 12 Abs. 3 UstG erfüllen. Für Geschäftskunden fallen zusätzlich 19 % MwSt. an, die im Kaufpreis enthalten sind.

1.799,99 €
02

Anker

Anker SOLIX Balcony Power Station with Memory, Solar Bank 3 E2700 Pro (2680Wh), up to 16 kWh Capacity, 4 x 500 W Solar Panels, 4 MPPTs (3600W), 1200W Bi-Directional Charging, Anker Intelligence, Plug

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18% Off
9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Sets of solar bank and module are sent in several deliveries. Delivery takes place within the specified time period. Due to the restrictions, we can only display a single tracking number. Your goods and accessories will be shipped separately from different logistics service providers.
Save up to €1566 per year: 4 MPPTs for up to 3600W solar input, connection of up to 8 PV panels and 5 batteries (16,128kWh), plus zero energy loss thanks to smart meter – maximum efficiency, maximum savings.
Save even more with dynamic rate: 1200W bi-directional inverter makes optimal use of price fluctuations. The Anker app shows electricity prices based on North Pool wholesale prices - charge cheap, use expensive.
Box contents: solar bank 3 E2700 Pro, 1 x 3 m AC cable with Schuko, 4 x 500 W solar panel, mounting material, safety instructions.
Anker Intelligence for maximum savings: Anker Intelligence predicts excess energy and automatically schedules usage to maximize energy efficiency. Also optimises your usage to save even more.
0% VAT: The price is already shown with 0% VAT. The price is only valid for private customers who meet the requirements for VAT-free delivery according to § 12 para. 3 UstG. For business customers, an additional VAT of 19% will be charged and added to the purchase price.

1.234,05 € 1.499,00 €(18% Off off)
03

GreenSun Solar

Marstek Solar Storage B2500D 2025 Updated, 2240 Wh for Balcony Power Plant, Plug & Play Storage for PV System, 2.24 kW Power Storage Solar Bank for Home Balcony, B2500-D Expandable, IP65

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9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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The price is already with 0% VAT. designated. The price is only for sale to private customers. For business customers, an additional 19% VAT will be charged. due and added to the purchase price
The manufacturer Marstek no longer produces expansion memory P2500. If you are using two main B2500-D memories, a connection cable between 2 memories is not necessary.
The Marstek memory B2500-D with 4x 2m MC4 extension cable. Note: The smart meter or inverter is NOT included. Please note: the Marstek memory B2500 is shipped in available colour (black or white).
The Marstek B2500D - 2240W storage for solar panels is the ideal solution for decentralized energy generation on your balcony. With a lightning-fast installation of just 15 minutes, you can immediately benefit from solar energy. Please note: the Marstek memory B2500 is shipped in available colour (black or white).
Powerful: with a capacity of 2.24 to 8.96 kWh and a maximum input power of 1600 W, the balcony power plant reliably delivers clean energy. The maximum output power of 800 W ensures efficient use of the generated solar power.
Battery type: lithium iron phosphate (LiFePO4) Cycle performance: 6000 cycles
App control: With an intuitive app, you have full control of your balcony power plant at any time and can control it comfortably from your smartphone.

359,90 €
04

ZINNZGREEN

Marstek B2500 Balcony Power Station with Memory & Intelligent Meter: 0% VAT, 2240Wh LiFePO4 Solar Bank Memory, 2 MPPTs, 1600W Max. PV Solar Input & 800W DC Output, App Control, IP65, Plug & Play

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15% Off
9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

【0% VAT】 The price is already with 0% VAT. designated. The price is only valid for private customers who meet the requirements for VAT-free delivery according to § 12 para. 3 UStG. For business customers, an additional 19% VAT will be charged. due and added to the purchase price.
Package includes: Marstek B2500 balcony power station memory x 1, intelligent counter x 1, MC4 extension cable x 4, warranty card x 1, tool x 1.
Maximum compatibility solar storage and efficiency: Marstek power storage for balcony power plant, compatible with 99% of all balcony power plants, solar modules and micro inverters. 2 MPPT supports 800W output power and 1600W PV input for more energy gain per day. Optimized 0 feed in <3 seconds for minimal losses. Suitable for beginners and professionals - installation in just 10 minutes.
Intelligent app monitoring: Step into the future of energy management with our intelligent Marstek app. Thanks to the real-time monitoring, it keeps you informed about the energy consumption of your solar balcony power plant and your production patterns. In addition, the app intelligently calculates your energy savings and gives you a clear picture of your benefits. Bluetooth, Wi-Fi and Ethernet support.
Higher quality balcony power plant memory: Marstek solar 2240 Wh LiFePO4 memory for balcony power plant, 6000+ charging cycles and a service life of up to 15 years. IP65 protected against dust and splashes of water, easy to use on balconies, roofs, garages, patios or in gardens. Plug & Play: connect, charge, detach and move in seconds without additional installation costs. Nonstop performance, protected by a 10 year manufacturer's warranty.
Expand up to 8.96 kWh: Marstek B2500 balcony power plant with memory, based on a capacity of 8.96 kWh per day / 2688 kWh per year, can save up to €1074 annually. Full payback is possible in less than 2 years.

339,99 € 399,99 €(15% Off off)
Value for Money

05

EF ECOFLOW

ECOFLOW STREAM AC Pro 0% VAT, Balcony Power Station with Memory, 1.92 kWh Solar Storage, 100% Compatible with All Balcony Power Plants, 2300 W Dual AC Connections, Expandable up to 11.52 kWh, Plug

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20% Off
9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

[0% VAT] The price is already with 0% VAT. designated. The price is only valid for private customers who meet the requirements for VAT-free delivery according to § 12 para. 3 UstG. For business customers, an additional 19% VAT will be charged. due and added to the purchase price.
Smart AI Control & Power Management - EcoFlow app connects to AI, analyzes electricity prices, usage behaviour and system status to optimize energy savings. It updates the TOU strategy every hour for maximum cost efficiency. With real-time monitoring and customizable power strategies, you can track performance at any time. The 24-hour AI assistant provides smarter and more efficient power management.
Save up to $416 per year on your electricity bills: EcoFlow STREAM AC Pro uses solar energy from the panels while simultaneously powering devices, maximizing the use of solar energy. Generates 1041kWh of electricity annually and thus saves 416€ in energy costs. With two AC ports, two devices can be connected at the same time. The output power of 1200-2300W supports 99% of all household appliances.
Safe, durable and space-saving: the LFP battery ensures 10 years shelf life with 6000 charge cycles. IP65 waterproof and it works reliably even in temperatures down to -20°C. It is designed for quiet operation and does not disturb the peace of your home. At only 26 cm wide, the compact design fits into tight spaces, while concealed wiring seamlessly integrates into any home.
EASY INSTALLATION & PLUG & PLAY EcoFlow STREAM AC Pro features a plug & play design that requires no electrician or technical expertise. Install it easily without drilling or damaging your home and adjust the position as needed. Thanks to easy portability, it is ideal for renters and homeowners and ensures a straightforward conversion and installation.
100% COMPATIBLE WITH ALL MICRO INVERTERS Easily expand your balcony power plant with the EcoFlow STREAM AC Pro. It is designed for 100% compatibility with all balcony power plants and integrates seamlessly into your existing system. Unlike traditional solutions, it expands capacity without stacking battery packs, making for a more efficient setup. Easily store excess solar energy by plugging it into any outlet, optimize energy consumption and reduce your electricity costs.
1.92-11.52kWh Flexible expansion: EcoFlow STREAM AC Pro supports a scalable capacity from 1.92 kWh to 11.52 kWh and allows the connection of up to six units for larger energy storage. With two expansion methods, you can connect units via parallel connections or plug any device into any outlet, allowing seamless storage and utilization of power throughout your home.

521,00 € 649,00 €(20% Off off)
06

Solakon

Solakon ONE Expansion Storage with 2.11 kWh Capacity for Balcony Power Plant, Modular Expandability up to a Total of 6 Units (12.66 kWh)

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15% Off
8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Intelligent energy management and app control: Monitoring of solar generation, power consumption and battery status in real time. AI-powered software optimises charging, supports dynamic rates, and provides features such as boost mode, zero feed-in, and smart schedules.
High level of efficiency with 4 MPPTs and emergency power supply (EPS): Up to 2600 W PV input via 4 MPP trackers for maximum energy yield, also supports AC charging up to 1200 W via a conventional conventional household socket. Stay powered during power outages with 1200W off-grid or up to 2200W on-grid emergency power output. Built-in inverter and EPS socket ensure instant emergency power supply when you need it.
Extendable capacity up to 12.66 kWh: Base unit with 2.11 kWh capacity, stackable with up to 5 additional modules. The modular design ensures long-term flexibility and a future-proof investment.
Durable and reliable power: up to 8000 charging cycles at 70% SOH for many years of stable operation. Equipped with Wi-Fi + LAN connectivity, external antenna for stronger reception and built-in touch display for live system data. Developed and supported in Germany with data protection architecture based on the principle "Privacy First".
All-in-one storage for balcony power plants: Plug & Play installation without electricians. Store solar power, optimise self-consumption and enjoy full control with the Solakon app.

539,71 € 634,95 €(15% Off off)
07

VALE

Growatt NOAH 2000 0% VAT §12 III UstG 2.048kWh Low Voltage Battery for Balcony Power Plants

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8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

The solar storage can be set up via plug and play and expanded modularly. Up to 4 modules can be stacked in total
Tax exemption: the purchase of this product is eligible for the tax exemption of photovoltaic goods! By purchasing a tax-privileged (zero tax rate) photovoltaic system or essential components of such a photovoltaic system, you declare that you are an operator of the photovoltaic system and that it is either a beneficiary building or that the gross installed capacity of the photovoltaic system is or will not exceed 30 kW (peak) according to MaStR.
Supports WiFi and Bluetooth with easy installation
Protection class IP66, which makes it dust-proof and protected against strong jet water
Good addition to your grow balcony power plant with a capacity of 2.048 kWh

375,00 €
08

Solakon

Solakon ONE All-in-One Balcony Power Station Memory with 2.11 kWh Capacity, 2600 W over 4 MPPTs, AI Functions, Zero Feed, Uniform App Ecosystem, Plug & Play

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10% Off
8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Intelligent energy management and app control: Monitoring of solar generation, power consumption and battery status in real time. AI-powered software optimises charging, supports dynamic rates, and provides features such as boost mode, zero feed-in, and smart schedules.
High level of efficiency with 4 MPPTs and emergency power supply (EPS): Up to 2600 W PV input via 4 MPP trackers for maximum energy yield, also supports AC charging up to 1200 W via a conventional conventional household socket. Stay powered during power outages with 1200W off-grid or up to 2200W on-grid emergency power output. Built-in inverter and EPS socket ensure instant emergency power supply when you need it.
Extendable capacity up to 12.66 kWh: Base unit with 2.11 kWh capacity, stackable with up to 5 additional modules. The modular design ensures long-term flexibility and a future-proof investment.
Durable and reliable power: up to 8000 charging cycles at 70% SOH for many years of stable operation. Equipped with Wi-Fi + LAN connectivity, external antenna for stronger reception and built-in touch display for live system data. Developed and supported in Germany with data protection architecture based on the principle "Privacy First".
All-in-one storage for balcony power plant: Plug & Play installation without electricians. Store solar power, optimise self-consumption and enjoy full control with the Solakon app.

617,49 € 684,95 €(10% Off off)
09

ZINNZGREEN

Marstek Jupiter C Plus Balcony Power Plant with Memory & Inverter, 0% VAT, 2.56 kWh LFP Battery with Counter, App Control, 4 MPPT 2.4 kW PV Input Power/800 W On-Grid Output, IP65, Plug & Play

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15% Off
8.3

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

【0% Vat】 The price is already with 0% VAT. designated. The price is only valid for private customers who meet the requirements for VAT-free delivery according to § 12 para. 3 UstG. For business customers, an additional 19% VAT will be charged. due and added to the purchase price.
Powerful storage for balcony power plant: all-in-one 2.56 kWh balcony power plant storage with solar inverter. The Jupiter C Plus solar storage unit supports a solar power supply of up to 2400 W with 4 independent MPPT, which ensure fast charging. With an MPPT efficiency of up to 99.8%, it delivers excellent energy conversion performance.
Package includes: Marstek Jupiter C Plus × 1, AC cable ×1, warranty card ×1, cover ×1, tool ×1, feet ×4, counter ×1. Each battery is sent as a separate package, so your order can be divided into multiple packages.
Intelligent app monitoring: Step into the future of energy management with our intelligent Marstek app. Thanks to the real-time monitoring, it keeps you informed about the energy consumption of your solar balcony power plant and your production patterns. In addition, the app intelligently calculates your energy savings and gives you a clear picture of your benefits. Bluetooth, Wi-Fi and Ethernet support.
Expand up to 10.24 kWh: Marstek Jupiter C Plus balcony power plant with memory and 800 W micro inverter, based on a capacity of 10.24 kWh per day/3737.6 kWh per year, save up to 1018 € annually. Full payback is possible in less than 2 years. Easy to use on balconies, roofs, garages, patios or in gardens.
15 years of performance: Marstek power storage for balcony power plant with automotive LFP cells, the Jupiter C Plus solar balcony power station offers 6000+ charging cycles with 80% capacity retention over 15+ years. Backed by a 10-year warranty and continuous support for long-lasting, safe and efficient performance. IP65 protection, built to last. Fully protected against dust and water for reliable operation in any environment. Wide temperature range from -20°C to 60°C. Works reliably even in extreme temperatures and stable all year round.

449,64 € 529,00 €(15% Off off)
10

XORO SOLAR

XORO SOLAR SPS 2155 Solar Storage - Balcony Power Station Storage with 2 kWh LiFePO4 Battery, Dual MPPT 2 x 800 W Input, 800 W Output for Indoor and Outdoor Use IP65, Plug & Play

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8.0

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

【Durable and durable】With a service life of up to 15 years and a 5-year warranty, the SPS 2155 is a durable and reliable solution for your energy storage. . Rely on quality and sustainability for your energy transition
【Natural and environmental protection】With the SPS 2155, you rely on green energy and make an active contribution to environmental protection. By using self-generated solar power, you contribute to the reduction of fossil fuels and CO2 emissions.
【Flexible setup】 and effective and effective protection: the power output of the SPS 2155 can be flexibly configured via the app or controlled with up to 5 separately available smart plugs SPP 16A2. An integrated battery management system (BMS) continuously monitors all critical parameters. Thanks to the easy installation, you have your system ready to use quickly and can monitor it in real time
Safe and reliable: the SPS 2155 has durable LiFePO4 battery cells (lithium iron phosphate), which are known for their high safety and long service life. These battery cells provide protection against overheating, overcharging and short circuiting. With a storage capacity of 2016 Wh (2 kWh), you can efficiently store your solar power and use it reliably at any time
Plug and play – Easy to install in the following ways: the XORO SOLAR SPS 2155 is the perfect extension for your balcony solar system. With the included cable set, you can quickly and easily connect the solar power storage between the existing solar modules and the inverter. In just a few minutes, the installation is complete.
For inside and outside - Thanks to protection class IP65, the SPS 2155 is perfect for installation both indoors and outdoors. Whether on the balcony, in the garden or in the cellar – the storage is protected against dust and splashes of water and therefore extremely robust

322,15 €