- On sale!
High-voltage lithium battery for energy storage and self-consumption solar power, with optimised integration into the Sofar Solar ecosystem. LFP (LiFePO4) technology with BMS and CAN communication for reliable pack management and modular installation. Recommended for starting with 5 kWh and scaling up your storage capacity to match your inverter.
Sold without BDU (not required for Sofar Solar ESI inverters)
Currently being restocked: expected arrival 18 May 2026
The Sofar Solar BTS 5K redefines residential storage. Thanks to its high-voltage architecture, it offers superior conversion efficiency and simplified installation. This modular system allows you to start with a 5kWh module and scale up to 20kWh per tower, adapting precisely to your changing energy needs.
One button to start the whole system. Automatic configuration without complex settings.
Uses latest-generation LiFePO4 cells for ultra-compact design and total safety.
Simply stack the modules. No communication cables between batteries, everything is integrated.
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Important notice for our customers in Belgium: An environmental contribution of €144.50 excluding VAT will be applied to the purchase of each Sofar Solar BTS 5K lithium battery. |
Contact our Customer Service: We are available to answer all your questions and help you choose the best solution for your energy needs.
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Important notice for our customers in Belgium:
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Sofar Solar BTS 5K Lithium Battery – The Energy Storage Revolution by Sofar Solar is available in our Lithium battery catalog. Technical specifications: operating temperature: -20℃~ + 50℃ , technology: Li-Ion - LFP, battery capacity: 5,12 kWh, width: 708 mm, height: 420 mm, thickness: 170 mm, max. load current: 6 A, ip protection: IP65 , type of cooling: Natural convection, humidity: 5 % à 95 %, rated capacity: 100 Ah, maximum discharge current: 7,5 A, weight: 50 kg, operating voltage range: 350-435 V, communication: CAN, installation method: Wall/floor mounting, nominal battery voltage: 400 V, rated power: 2,5 kW. Product weight: 50.0 kg. Reference: SOFAR-BTS-5K.
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