MARSTEK Unveils the VENUS Family, Ushering in a New Era for Residential Plug-in Batteries

MARSTEK Unveils the VENUS Family of Plug-in Batteries

On May 31, 2026, in a vibrant launch event held in Shenzhen, China, MARSTEK, a global leader in plug-in battery technology, showcased their latest innovation: the VENUS family of residential batteries. Over 100 distributors, partners, media representatives, and industry experts gathered to witness this significant milestone, emphasizing MARSTEK’s commitment to advancing energy storage solutions for modern homes.

The launch event featured an in-depth tour of MARSTEK’s R&D institute, including their state-of-the-art testing laboratory and production facilities. Attendees were given a first-hand look at the various battery operations, including the new VENUS E Gen 3.0 production line. This comprehensive visit highlighted MARSTEK's strong emphasis on innovation, quality control, and vertically integrated manufacturing capabilities.

Introducing the VENUS Family of Batteries

MARSTEK has introduced three pioneering products within the VENUS family, expanding the use of plug-in batteries beyond traditional applications. The new products include:

1. VENUS E Mini: Marketed as the world's thinnest plug-in battery, the VENUS E Mini is designed for beginners and users with limited space. It features a bidirectional power capacity of 1.5 kW and a backup output of 1.5 kW. Its peak power reaches 1.8 kW, ensuring reliable daily energy supply for homes. Equipped with MARSTEK AI, this compact battery optimizes electricity consumption through intelligent forecasting and time-of-use management. Weighing only 22 kg and designed for wall mounting, the VENUS E Mini presents a flexible energy storage solution for modern living.

2. VENUS E GEN 4.0: This optimized AC-coupled plug-in battery is tailored for households that already have solar systems installed. It supports full-home backup and smart integration with electric vehicle chargers. With a charging and discharging capability of 3 kW and a 5 kWh capacity, it guarantees stable and reliable home energy supply. Compared to predecessors, it is 21% lighter and occupies 7% less space. The clear segmented display enhances user experience, and the durable cells offer over 10,000 life cycles. Coupled with SMARTBOX, the system can expand flexibly, enabling up to 9 kW / 15 kWh installation in minutes.

3. VENUS E MAX: MARKTEK’s flagship product, the VENUS E MAX, marks the introduction of the world’s first all-in-one 10 kWh plug-in battery, designed for households with higher energy demands. It features a grid-connected backup power of 3.6 kW and 10 kWh of storage capacity, providing reliable energy support throughout the home. The smart parallel expansion architecture allows scaling up to 10.8 kW / 30 kWh quickly, accommodating both single-phase and three-phase systems. Its highly secure LFP cells ensure long-lasting performance and reliability, integrating seamlessly with MARSTEK’s EV chargers for holistic energy management.

A Step Towards Sustainable Living

With the VENUS family, MARSTEK is not just offering batteries; they are spearheading the transition towards a more energy-efficient and sustainable lifestyle. By expanding the range of applications for plug-in batteries, MARSTEK promotes comprehensive energy backup, intelligent energy management, and the integration with electric vehicle charging and scalable home energy ecosystems.

About MARSTEK

Founded in 2009, MARSTEK has positioned itself as a global leader in energy storage solutions. Their vertically integrated capabilities extend across research and development, manufacturing, and global market operations. MARSTEK's portfolio includes residential energy storage systems, portable power stations, and rechargeable batteries, dedicated to making smart and affordable energy accessible to homes worldwide.