Sync Energy SEFB512G3 3 Battery 15.4kWh + Floor Stand, Module Cover & 2m Cable Extension

Specifications

Capacity	15.4kWh
Storage battery battery type	LiFePo4 Batteries
Storage battery connectio	Integrated Stack & Cable Extension to AllinOne
Storage battery cooling method	Integrated Heating Packs
Storage battery depth of discharge	90
Storage battery handling	Fold Down Handles
Storage battery life cycles	6000 Cycles 10-Year Warranty
Storage battery total capacity hwh	15.4 scalable up to 35.84kWh

Description

The Sync Energy Flow SEFB512G3 is a modular battery stack with 3 LiFePO4 battery modules, providing a total storage capacity of 15.36kWh. It is intended for residential installations requiring higher stored energy availability and greater flexibility for self-consumption or off-peak energy use.

The battery stack uses LiFePO4 chemistry, known for its stability, safety and long cycle life. With 90% depth of discharge, integrated heating control and integrated stack connections, the SEFB512G3 provides a practical solution for expanding compatible Sync Energy storage systems.

Its enclosure is rated IP65 for weather resistance and IK10 for impact protection, supporting durable installation indoors or outdoors. Important: these battery modules are ONLY compatible with Sync Energy AllinOne systems.

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Frequently Asked Questions

Find quick answers to the most common questions about ordering, delivery and support.

When will my order be delivered?

We aim to deliver your order as quickly as possible (7–10 business days). Delivery is handled by an external logistics partner and shipped to the address you provided during checkout. We guarantee delivery no later than 30 days after order confirmation.

What are the shipping costs?

Shipping costs are calculated based on the order size and delivery address. In some cases, shipping is free above a certain order volume. This is clearly shown before you complete your purchase. If shipping costs apply, they are always visible at checkout.

Can I return my order?

Yes. You can return products within 14 days of receiving them. Please submit a return request first via the return form or by email. Once confirmed, the product must be sent back within 14 days, preferably in the original packaging and in the same condition.

Are there any costs for returns?

Yes. Returns are subject to an administration fee of 5% of the total order value. Return shipping costs are at your expense. After we receive and inspect the returned product, the remaining amount will be refunded within 7 days.

What warranty applies to the products?

Products are supplied by manufacturers or distributors. The manufacturer's warranty conditions apply to each product and may vary by brand and product type. Please consult the product documentation for exact coverage and duration. For inverter repairs performed via our service, we provide a 3-year warranty on proper operation of the repaired inverter.

Which payment methods are accepted?

We accept: American Express, Bancontact, iDEAL, Maestro, Mastercard and Visa. In some cases, and subject to credit approval, payment by invoice may also be possible. All available options are shown during checkout.

Can I cancel or change my order?

Cancellation is only possible before the order is processed. Please submit your cancellation request in writing. Cancellations without valid reason are subject to a fee of 5% of the total order value, with a minimum of €25. For custom-made or specially ordered products already processed, full costs may apply.

What should I do if my order arrives damaged?

If your order arrives damaged, contact us as soon as possible by email or phone. Include clear photos and a description of the issue. We will review your case and advise next steps. Reporting damage promptly helps us resolve it efficiently.

What happens if my delivery is delayed?

If a delay occurs, you will be informed in writing. We guarantee delivery no later than 30 days after confirmation. If delivery cannot be completed within that period, you may request a refund or a replacement product of equal value.

How can I contact customer support?

You can contact us by phone (+31 180 810402) or email (sales@search4solar.com). Our office is located in Barendrecht, the Netherlands, and we also operate from Valencia, Spain. We aim to respond to complaints within 7 days; if more time is needed, you will receive confirmation within 2 days with an estimated response date.