Deye SE-G5.1 Pro-B 5.12kWh LV Rack Battery (LiFePO4)

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Specifications

Battery type	Low voltage
Communication	RS485, CAN
Degree of protection ip	IP20
Height	133 mm
Lenght	540 mm
Nominal voltage	51.2 V
Operating voltage	43.2-57.6 V
Usable energy	5,12 kWh
Weight	45 kg
Width	440 mm

Description

Overview

The Deye SE-G5.1 Pro-B is a 5.12 kWh low-voltage (51.2 V) LiFePO4 rack-mounted battery module. Cobalt-free LFP cells, intelligent BMS and a built-in circuit breaker; up to 64 modules in parallel (327 kWh). 19-inch rack compatible for residential and small commercial storage.

Key Features

5.12 kWh (100 Ah) LFP rack battery, 51.2 V low-voltage
Built-in circuit breaker (125 A); intelligent BMS
Scalable up to 64 units in parallel (max 327 kWh)
Rack / wall / floor mounting, IP20, natural cooling
CAN / RS485 communication, auto-networking
Wide temperature range -20 to 55 °C; 6000+ cycles

Technical Specifications

Compatible Inverters

Works with Deye low-voltage (48 V) single- and three-phase hybrid inverters (3/5/6/8 kW class and similar). Always confirm the exact pairing with the supplier.

Applications

Residential and small commercial solar self-consumption with storage
Rack-based capacity expansion by paralleling modules

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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.