The SOFAR BTS E5-E20 + BDU Intelligent Energy Storage Bundle is designed for modern residential applications, offering scalable storage capacity from 5 kWh to 50 kWh for 3 Phase HYD Inverter based systems.

Built around high-performance LiFePO4 battery modules and a dedicated Battery Distribution Unit (BDU), this CEC Approved battery system is modular and stackable, allowing for straightforward capacity expansion as energy needs grow and eligible for the Cheaper Home Battery rebate scheme.

Installation is streamlined with pre-configured quick-connect cables, ensuring a fast and simple setup. The system supports parallel operation of two units, enabling users to reach up to 50 kWh of total storage, ideal for households aiming for greater energy independence.

Engineered for seamless integration with SOFAR ESI inverters, the BTS series promotes efficient energy conversion and reliable system performance. Its compatibility ensures a smooth setup process and long-term stability across the full energy system.

The BTS 5K-BDU unit enables individual connection and management of up to five battery modules. It features advanced monitoring capabilities that track vital parameters such as voltage and temperature at the cell level. This detailed oversight supports balanced charging and discharging, contributing to extended battery life and consistent performance.

With the option to connect multiple batteries in parallel, the system offers flexibility to scale as needed, supporting continuous energy availability tailored to residential demands.

This Bundle Includes:

Up to 4 high-voltage BTS 5K LiFePO₄ batteries
BTS 5K-BDU (Battery Distribution Unit) Control Module
1 x SOFAR BTS 5K Battery Base Kit - Battery Modules 1 - 3
2 x SOFAR BTS 5K Battery Base Kit - Battery Modules 4 For 2 x 2 Battery Setup

The SOFAR BTS 5K-BDU features a plug-and-play and modular design, offering installers a premium experience with quick maintenance and simplified installation. Equipped with isolation switches, fuses, and power buttons, it significantly reduces operational risks and difficulties during use and installation, providing robust security and reliability for energy storage systems. As a battery cluster management unit, BTS 5K-BDU not only enables cluster-level monitoring and status display but also enhances the overall efficiency and stability of the system.

Main Features - SOFAR BTS 5K-BDU

Pre-wired cables for plug-and-play installation
All-weather performance from -20'c to +50'C, perfect for outdoor installation
Advanced 2-layer safety system keeps your family protected

Technical Specifications - SOFAR BTS 5K-BDU

Operating Voltage Range: 350-435 Vd.c.
Maximum Current: 30 A
Number of BTS 5K: 1-4
Protective Class: Class I
Enclosure Type: IP65
Communication: CAN
Display: LED
Installation: Wall/Floor Mounted
Dimensions(W*H*D): 708*200*170 mm
Weight 7 kg

The SOFAR BTS 5K features an advanced power management system, supporting up to 24 months of storage time. Its plug-and-play design provides installers with a premium experience of rapid maintenance and effortless installation. The product includes a pack-level energy optimiser, which allows for the mixing of old and new batteries, enhancing usable capacity and reducing maintenance risks compared to traditional batteries. This offers users greater backup power assurance. The product incorporates multiple layers of safety protection, including cell, module, isolation, and system protections, ensuring reliable electricity safety for customers.

Main Features - SOFAR BTS 5K

Store up to 2 years without charging
Pre-wired cables for plug-and-play installation
All-weather performance from -20'c to +50'c, perfect for outdoor installation
Expandable capacity by mixing new and existing batteries
Active Battery Balancing of 100% SOC in 2 hours
Advanced 5-layer safety system keeps your family protected

Quick Specs - SOFAR BTS 5K

Battery Type: LiFePO4 - Lithium Iron Phosphate Battery
Battery Total Energy: 5.12 kWh
Rated Capacity: 100 Ah
IP Rating IP65
Dimensions(W*H*D) 708*420*170 mm
Cooling Mode Natural
Weight 50 kg

About The Brand

SOFAR is a global leading provider of solar PV and energy storage solutions. Its comprehensive portfolio includes PV inverters with a power range from 1 kW to 350 kW, hybrid inverters ranging from 3 kW to 20 kW, battery storage systems, utility ESS solutions, and smart energy management solutions for residential, commercial, industrial, and utility-scale applications.

SOFAR is committed to driving the green energy transition through innovation and digital energy solutions, and contributing to a greener, low-carbon future

Specifications

SOFAR BTS E5-E20-DS5 + BDU Intelligent Energy Storage Bundle DATASHEET

SOFAR BTS 5K DATASHEET

SOFAR BTS 5K-BDU Battery Distribution Unit DATASHEET

Warranty

SOFAR Solar Factory Warranty Terms And Conditions

SOFAR Solar Battery Limited Product WARRANTY

Sofar Solar Battery Storage

SOFAR BTS 5K Battery Base Kit - for Powerall and DTS systems.

SOFAR BTS E5-E20-DS5 + BDU Intelligent Battery Energy Storage Bundle - CEC approved

SOFAR BTS 5K Lithium Battery Module for PowerAll or HYD based systems