Best Pv Akku 2026

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Last Updated - 22.07.2026

Best Choice

01

ECO-WORTHY

ECO-WORTHY 2 Pack 48 V 314 Ah LiFePO4 Battery 32.2 kWh Power Storage and Circuit Breakers 200 A PACE BMS RS485/CAN/RS232 with Bluetooth WLAN for Emergency Power Supply at Home Mains Independent Solar

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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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Main highlights

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.

2.999,99 €
02

TZIPower

300AH, 400AH, 560AH LiFePO4 48V/51.2V, 15.36KWh, 20.48kWh, 28.67kWh Memory PV Solar Battery LiFePO4 Lithium with Wheels for Stand Mounting Bluetooth & WiFi (15.36kWh 300AH)

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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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Main highlights

Thanks to the long service life, you can return the additional costs + the value of the battery.
Large touch screen.
Large LED charge status indicator.
Intelligent solution in the long run: 200% savings, despite higher purchase costs compared to lead gel or conventional lithium batteries.
Easy to set up thanks to app with Bluetooth + WiFi

1.709,00 €
03

XORO SOLAR

XORO SOLAR Atlas-F, 7200 Wh AC-Coupled Solar Storage for Balcony Power Plant and Roof Systems, 2400 W Charge/Discharge Power, Emergency Power, IP65, App Controlled, Expandable to 12 kWh

10% Off

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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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Main highlights

Powerful & fail-proof: battery inverter with up to 2400W charge/discharge power (limited to 800W) The integrated backup socket allows important devices to continue operating even in the event of a power failure. Robust LiFePO4 battery technology with wide temperature range (-20 to +55 °C).
Modular & Easy to Connect: Lightweight, stackable module system for quick installation. The connection can be easily made via the supplied power cord with earthing contact plug directly to a house socket. IP65 protection, suitable for indoor and outdoor use.
Expandable up to 12 kWh total capacity: The system supports a total of up to five SPB 246X expansion batteries. This allows you to flexibly expand the storage capacity from 7.2 kWh to up to 12 kWh – to match your future energy needs.
Easy to get started with solar power storage: Ready-to-use AC‑coupled storage system (7.2 kWh storage capacity) for optimal use of your self-generated solar power – ideal for existing PV systems and balcony power plants, without conversions.
Automatically avoids mains feeding: In combination with a smart meter, the system automatically prevents stored solar power from being fed into the public grid – ideal for zero feed-in operation. Control via the new XORO SOLAR Manager app.

1.308,99 € 1.459,00 €(10% Off off)
Value for Money

04

Marstek

Marstek B2500 Balcony Power Station with Memory 2026 Updated, 2240Wh LiFePO4 Battery, 2 MPPT, 1600W PV Input, 800W DC Output, Expandable to 8.96kWh, Plug & Play, 0% VAT

20% Off Limited Time Deal

20% Off

Limited Time Deal

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9.3

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

Perfect for: MARSTEK B2500 balcony power plant memory × 1, MC4 extension cable × 4, warranty card × 1, tool × 1. Note: Micro inverters, smart meters and solar panels are to be purchased separately.
High quality and easy to use: MARSTEK B2500 with 2240 Wh LiFePO4 battery offers over 6000 charging cycles and a service life of up to 15 years. IP65 protected against dust and splashes of water - ideal for balcony, roof, garage, patio or garden. Plug & Play: Just plug and play - install in just 10 minutes, no extra cost. Backed by 10 year manufacturer's warranty.
Good value for 2000: Stores excess solar power during the day and delivers it exactly when needed – increases self-consumption and reduces electricity costs by up to €1,074 per year*. Expandable up to 8.96 kWh for even more self-sufficiency. Full payback possible in less than 2 years.
Easy to use: the MARSTEK solar storage unit is compatible with 99% of all balcony power plant solar modules and micro inverters. 2 MPPT support 800W output and 1600W PV input for maximum energy yield per day. Optimized 0 feed in less than 3 seconds for minimal losses. Suitable for beginners and professionals.
Easy to use: Experience the future of energy management with the Marstek app. With real-time monitoring, you can always keep track of your energy consumption and production patterns. The app intelligently calculates your savings and gives you a clear picture of your benefits. Supports Bluetooth, Wi-Fi & Ethernet.
10% metre. : For private customers who meet the requirements according to § 12 para. 3 UStG, the price shown includes 0% VAT. (net price). Business customers pay plus 19% VAT.

310,82 € 389,00 €(20% Off off)
05

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, Expandable, IP65, LiFePO4 Battery

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9.1

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

Weatherproof design: protection class IP65 for reliable outdoor use, protects against dust and jet water for long-lasting use on balcony or terrace
Powerful operation: supports up to 1600 W PV input and a maximum output power of 800 W, designed for typical balcony power plant applications in private living areas
Marstek B2500D solar storage 2240Wh for balcony power plant: 2240Wh base capacity, expandable up to 6.72 kWh, for temporary storage of solar energy for time-delayed use in the household - suitable for balcony, terrace or small PV systems
Long lasting battery and complete kit: LiFePO4 battery with up to 6000 recharge cycles at 25 degrees Celsius. Note: The smart meter or inverter is not included. To ensure maximum efficiency and compatibility of memory, the B2500 should be connected to a Marstek inverter and not to other brands' inverters
Easy installation and app control: connection via MC4 connections, suitable for integration into existing or new balcony power plant systems; control and monitoring via app via WLAN or Bluetooth, with display of energy flow and device status in real time

338,00 €
06

Marstek

MARSTEK Venus E 3.0 Balcony Power Station with Memory: AC Coupled Energy Storage System, 0% VAT, 5.12 kWh LFP Memory for Balcony Power Plant, 2500 W Input, Plug & Play, Expandable up to 15.36 kWh

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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

Expandable to 15.36 kWh - Up to 1310 € savings per year: MARSTEK Venus E 3.0 balcony power plant with storage expandable to 15.36 kWh. Daily capacity of up to 15.36 kWh corresponds to an annual saving of approx. €1310. Full payback possible in less than 2 years. Ideal for balcony, roof, garage, patio or garden - just plug in and go.
Box contents: MARSTEK Venus E 3.0 x 1, warranty card x 1, AC cable x 1, mounting material x 1. Note: Each battery is shipped as a separate package - your order may arrive in multiple packages.
AI Mode with MARSTEK Intelligence - Real-time Energy Management: Intelligent AI mode automatically optimises the energy flow in your home. MARSTEK app with real-time monitoring of consumption, production and savings. Compatible connection via Bluetooth, Wi-Fi and Ethernet. Transparent display of your benefits – anytime and anywhere.
AC Coupled All-in-One System - 2500 W Continuous Power: 5.12 kWh Solar Storage for Balcony Power Station as an AC-Coupled Energy Storage System. Power multiple household appliances such as microwave and refrigerator at the same time. Ideal for households with high power consumption during the day - e.g. in the home office – as well as for 1 to 2 person households, apartments, balconies, terraced houses, tool sheds, garages, storage rooms, senior households and environmentally conscious users.
15 years of performance - LFP cells with 6000 cycles: high-quality automotive LFP battery cells with 6000 charge cycles at 80% capacity retention. Over 15 years of service life + 10 year warranty. IP65 protection against dust and jet water, temperature range from -20°C to 55°C. Safe, durable and maintenance-free.
0% VAT - Only for private customers: The price shown already includes 0% VAT. According to § 12 para. 3 UStG. Applies exclusively to private customers when delivered within Germany. For business customers, the regular tax rate of 19% VAT. raised.

1.063,00 €
07

Marstek

MARSTEK B2500 Memory for Balcony Power Station 2025 Last Upgrade Version 0% VAT, 1600W Solar Input 2240Wh LiFePO4 Battery 6000 Charging Cycles, Expandable to 8960Wh, IP65 Waterproof & Dustproof

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8.6

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

The B2500-D's Plug & Play feature makes installation done in just 15 minutes – no electrician or complicated settings. Our user-friendly design philosophy ensures easy, quick setup so you can immediately benefit from your power source.
Efficient solar storage for balcony power plants with expandable capacity and smart control for reliable energy supply
During the day: the generated solar power flows through the B2500-D to the micro inverter, powering your household appliances and reducing your dependence on the public grid. With a smart meter, excess energy is efficiently stored in the memory without being fed in.
At night: The power stored in the B2500-D is fed into the grid via the micro inverter and powers the household appliances efficiently. With flexible expansion, the memory easily covers the power needs of devices such as routers, refrigerators and more.
0% VAT (Offer according to §12 para. 3 VAT exempt) - only for private users

328,64 €
08

Hoymiles

Hoymiles HiBattery AC 1.92 kWh Solar Battery, Plug and Play Storage Solution for Balcony Power Plant & Photovoltaic, Expandable up to 11.52 kWh (0% according to §12 Paragraph 3 UStG, 1x HiBattery AC)

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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

Superior efficiency (bi-directional DC/AC efficiency: 96.5% / AC circular efficiency: 86%)
Smart control via app
Hoymiles Memory with AC pairing
Easy to use
Box contents: 1x Hoymiles HiBattery AC, 1x Hoymiles mounting accessories
1.92 kWh capacity (expandable up to 11.52 kWh)

559,00 €
09

Mentech

Updated Balcony Power Station with Memory B2500, Marstek 2240 Wh LiFePO4 Battery 6000 Charging Cycles, 1600 W Max. 1600 W PV Input and 800 W Output, Expandable to 8960 Wh, IP65 Waterproof and

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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

You will receive: Marstek B2500 balcony power station with memory x 1, MC4 charging cable x 2, instruction manual x 1 (English language not guaranteed).
Higher quality: Reliable energy for up to 6,000 charging cycles with IP65 dust and splash proof, easy to use on balconies, roofs, garages, patios or gardens. Plug and play, connect, charge, remove and move in seconds without additional installation costs. Nonstop performance.
App monitoring: Step into the future of energy management with our intelligent app. With real-time monitoring, it keeps you informed of your energy consumption and production patterns. In addition, the app also intelligently calculates your energy savings and gives you a clear picture of your benefits.
99% Micro Inverter Compatible: Experience unsurpassed compatibility with all MC4 connectors, giving you the freedom to combine with a variety of solar panels and micro inverters on the market. Whether you are integrating an existing solar system or starting from scratch, the B2500 will fit effortlessly into your setup. The B2500 is suitable for both solar newcomers and experienced enthusiasts and offers a smooth 15-minute DIY solar system installation.
8.96 Wh expandable capacity: Marstek B2500 thanks to the support of 4 expansion batteries, which can be used by simple stacking, up to 8.96 Wh, you can provide plenty of storage space for your balcony power plant. You can adjust the capacity according to your solar power needs.
- - 3 UstG. -

338,98 €
10

Powerness

Growatt NOAH 2000 Balcony Power Station with 1800 W PV Input Power IP66 for Balcony Power Plant (NOAH 2000 x 1)

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8.2

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

Why choose Powerness: Powerness specialises in the expansion of renewable energies. - - -
The installation code is: ECVBR6.
Superior water protection IP66: The NOAH 2000 has IP66 certification for superior water protection and is therefore perfect for outdoor use. This high degree of water resistance ensures reliable performance and durability, even in extreme weather conditions.
Expandable capacity thanks to easy stacking: The NOAH 2000 offers expandable capacity by simply stacking without the need for complex connections and installations. You can stack up to four units for a maximum capacity of 8192 Wh. This user-friendly design allows you to effortlessly customise your energy storage to meet growing demands.
2048 Wh balcony power station memory: With an impressive capacity of 2048 Wh, the NOAH 2000 offers exceptional energy storage at excellent value for money. This high capacity ensures that you have enough energy available to meet your needs and makes it a wise investment for your energy systems.
1800 W PV input power: AH 2000 provides scalable solar energy input power, so you can easily stack the capacity. Each NOAH unit has two MPPT inputs and supports 1800 W solar energy input. By stacking up to four units, you can achieve a total of eight MPPT inputs and 7200 W solar energy input. This flexibility allows you to install the number of solar panels based on your needs and available space, ensuring optimal use of solar energy.
0% VAT for private customers with a delivery address in Germany: The price includes 0% VAT (no VAT). Individuals from Germany receive tax relief when buying balcony power plants and photovoltaic systems as of 1 January 2023. The price only applies to private customers who meet the requirements for VAT-free delivery as per § 12 para. 3 UstG. For business customers, an additional 19% VAT will be added to the purchase price.

379,00 €