Sofar BTS-5K Energy Storage (5.12 kWh / 2.5 kW)

Manufacturer: SofarSKU: BTS-5K

4887,50 zł net

≈ 1.120 € (settled in PLN, NBP rate of 2026-09-18)

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Category: Domowe magazyny energii
Manufacturer: Sofar
SKU: BTS-5K
Availability: Made to order

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The high-voltage Sofar Solar BTS 5K battery expansion module allows you to easily increase the capacity of a home backup power system.

It is a reliable Sofar energy storage designed for complete energy independence of your home or business.

For which installation and for whom

This dedicated battery module was created as a building block for a flexible power storage system.

It is perfectly suited for users who consider the Sofar 5kW energy storage as a base for future expansion with additional units.

This solution is dedicated to single-family homes and small businesses focusing on energy self-consumption from photovoltaics.

The device works with dedicated hybrid inverters by Sofar, ensuring a stable backup power supply.

Key benefits

See why you should choose this model for your photovoltaic system:

Flexible expansion of system capacity depending on the growing needs of the household.
Safe cell technology guaranteeing long life and operational stability under load.
High resistance to external conditions allowing safe installation in utility rooms.
Simple Plug and Play installation significantly reducing setup time for the customer.

Why choose the Solmix wholesaler

At Solmix, we offer exclusively original RES components from official distribution with a full manufacturer's warranty.

We provide attractive commercial terms for installers, expert technical advice, and lightning-fast shipping of orders.

Discover our full range of Energy storage systems and complete the perfect setup for your customer.

Frequently asked questions

Is the Sofar BTS 5K battery module suitable for outdoor installation?+

Yes, the module features an IP65 protection rating, making it resistant to weather conditions and safe for both indoor and outdoor setups.

What cell chemistry is used in this energy storage module?+

The module uses high-grade LiFePO4 (Lithium Iron Phosphate) cells, recognized for high safety standards, long operational life, and excellent thermal stability.

Can I expand my storage system capacity later with additional units?+

Yes, the BTS 5K is designed as a stackable high-voltage module, allowing seamless system expansion whenever energy demands increase.