VARTA.wall

Our new DC high-voltage storage system stands for quality made in Germany.

Ultra-slim system with high energy density – fits behind any door

Flexible in three expansion stages: 10/15/20 kWh

Meets the highest German safety standards in product design and data protection

Simple and fast installation thanks to plug-in system and app-based setup

Ultra-slim system with high energy density – fits behind any door

Flexible in three expansion stages: 10/15/20 kWh

Compliance with the highest German safety standards in product design and data protection

Easy and quick installation thanks to plug-in system and app-based setup

Downloads

VARTA.wall brochure Information brochure Datasheet

Securely store green energy

Certainly the best choice for your home

We meet the highest safety standards

Certainly flexible

Thanks to modular architecture and robust design

Certainly by your side

Our experienced local service team is here for you

Maximum security from product design to your data

Your safety comes first

Continuous quality inspection

Developed and manufactured in Germany according to the highest standards
Highly automated and precise production line with numerous quality tests
Automated verification of all production steps
Additional high-quality and testing standards by VARTA

Your data

Secured on German servers

Data from our customer portal VARTA.energy is stored on servers of the German company IONOS in Germany
IONOS processes data according to European standards

Install your VARTA energy storage

VARTA Calculation Tool

Find your optimal energy storage size here.

VARTA Certification

Become a certified installer now.

Compatible with leading inverters

We prioritize the highest quality and performance. That’s why our VARTA.wall is compatible with selected inverter manufacturers.

VARTA.wall - Compatibility List (Version March 2025)

Technical data

General Data
Cell type / cell technology	Round cell (21700) / Lithium ion (NCA)
Warranty	10 years ¹
Installation	Plug-in system incl. app commissioning
System	DC high voltage system
Mounting type / installation location	Upright with wall fixing / indoor and garage
Compatible inverters	KOSTAL PLENTICORE G3, KOSTAL PLENTICORE Plus G2 and PLENTICORE BI G2, SMA Sunny Tripower Smart Energy

Systemdata	VARTA.wall 10	VARTA.wall 15	VARTA.wall 20
Number of battery modules	2	3	4
Usable capacity	10 kWh	15 kWh	20 kWh
Nominal charging / discharging power	4.4 / 5.2 kWh ²	6.7 kW / 7.9 kW ²	8.9 kW / 10.5 kW ²
Dimensions (W x H x D) in mm	605 x 1,306 x 135	605 x 1,752 x 135	605 x 2,197 x 135
Weight	88 kg	124 kg	161 kg

¹When taking out the online warranty, 5 years when taking out the offline warranty
²With de-rating (may occur depending on the ambient temperature and other external influences)