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title: "New storage systems and summer campaigns"
description: "View the overview of Marstek energy storage and current summer campaigns from Sungrow, SolarEdge and APsystems. Order directly from stock at ESTG."
type: information-resource

---

# ESTG

# New storage systems and summer campaigns

To optimize your installation planning over the coming months, keeping track of new product arrivals and active manufacturer incentives is essential. Sourcing high-quality systems directly from a steady supply chain helps you maintain steady progress on your technical milestones. Below you will find a practical overview of our newest storage additions and current promotions available to support your upcoming installations.

### New arrival: Marstek Mars I Plus energy storage

We are excited to expand our warehouse selection with the arrival of the brand-new [Marstek Mars I Plus](https://www.estg.eu/en-gb/brands/marstek?system=Marstek%20MARS%20I). This advanced system offers a reliable option to help your customers optimize their energy efficiency. Adding high-quality batteries to your installations allows you to deliver complete energy systems that meet the growing market demand for energy independence during the sunny summer months.

### Extended Sungrow battery module promotion

[The Sungrow promotion](https://www.estg.eu/en-gb/brands/sungrow?promotion=Free%20BMS!) has been extended until August 31, 2026, due to great success. This means you can immediately grab extra margin on your upcoming battery projects. When purchasing 3 selected battery modules, you receive 1 matching accessory completely free of charge. Our product experts have processed this discount directly into complete set prices, meaning you see your advantage right away in your shopping cart for the complete sets SBH150, SBH200, SBH250, SBH300, SBH350, and SBH400.

### Boost your sales with new SolarEdge promotions

This is the moment to follow up on open quotes and close pending residential deals. SolarEdge updated the ChargedUp 2.0 terms and launched the brand-new [One2Charge 1-phase promotion](https://www.estg.eu/en-gb/p/SE-ONE2CHARGE-KIT1/solaredge-home-hub-storage-kit-1phase). Please note that this promotional campaign applies exclusively to installations within the Benelux region. We have all HomeHub inverters, 48V batteries, and One2Charge packages fully stocked so you can order directly.

- Act before July 31st: secure the maximum cashback up to €1,500 on 3-phase systems by uploading the signed quote before July 31st to lock in rates and install by December 31st, 2026.
- One2Charge 1-phase bundle: receive a high discount on a complete package including inverter, battery, and meter until late September 2026, with a 12-year factory warranty on the inverter.

### APsystems micro-inverter and storage campaign

Lower your total investment on storage installations with the brand-new[ APsystems summer campaign](https://www.estg.eu/en-gb/brands/apsystems?promotion=Free%20BMS!) running from July 1st until September 30th. This special campaign allows you to claim free storage inverters to maximize the financial efficiency of your upcoming projects. Please note that minimum order quantities apply per single order and single shipment.

- Free Lot A inverter: Purchase two APbattery 5 kWh modules and receive one ELS-5K inverter completely free, saving you €1,050.
- Free Lot B inverter: Get an ELT-12K or ELT-10K inverter completely free with two APbattery 10 kWh modules, saving up to €1,250.

## Our logistics and office remain operational

To ensure your installation workflows continue without friction, our office and warehouse remain fully operational during the summer holidays. Your projects on site move forward continuously, and our logistics run at standard capacity to keep your product deliveries completely predictable. You can count on our account managers and technical support lines every weekday from 8:30 to 17:30 to handle your technical inquiries and order processing immediately.