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5.4kWh towerDOCK LiFePO4 Battery

The towerDOCK 5.4 is a 51.2V LiFePO4 battery manufactured in South Africa. Designed for high-performance energy storage, this 5.4kWh unit is optimized for 5 KVA inverters and is a recommended choice for Victron Energy systems.

Retail price: R15,649.00R14,400.00 excl. VAT


EnergyDock manufactures and supports the premium towerDOCK 5.4, a high-performance 51.2V Lithium Iron Phosphate (LiFePO4) battery, right here in South Africa. Consequently, this unit provides a reliable and efficient energy storage solution for both residential and commercial solar installations.

Key Technical Specifications

  • Total Energy Capacity: This unit delivers a robust 5400 Wh of total energy.
  • Usable Energy: Users can safely access 4320 Wh at an 80% Depth of Discharge.
  • Current Capacity: The battery features a 106 Ah current capacity.
  • Nominal Voltage: It operates at a steady 51.2 VDC.
  • Charge Current: The system handles a maximum constant charge current of 70 A.
  • Discharge Current: It supports a discharge current of 100/90 A.
  • Recommended Inverter: Furthermore, we recommend a 5 KVA inverter for optimal performance.
  • Scalability : Max. 4 units in parallel (5.4 kWh- 21.6kWh)

Advanced Battery Management

  • Charging Logic: The BMS controls the charging logic, utilizing 56.2 VDC for Bulk/Absorption and 55.6 VDC for Float stages.
  • Communication: Additionally, the integrated Can-Bus connectivity enables smart system monitoring.
  • Active Balancing: A 300 mA passive balancer actively maintains long-term cell health.
  • Scalability: While this is a single unit, the design allows for parallel connections within the towerDOCK series.

Design & Durability

  • Enclosure: A high-quality powder-coated galvanised steel enclosure protects the internal components.
  • Dimensions: The compact frame measures 480 x 320 x 250 mm.
  • Weight: This sturdy unit weighs 51 kg.
  • Warranty: Therefore, we offer a 5-year warranty covering 4000 cycles at 80% DOD.

Installation Requirements

For best results, installers must place this floor-standing unit in a dry, well-ventilated indoor area. Because we value simple setups, each kit includes the necessary cables for a straightforward installation.

Technical Specifications ED-TD 5.4 – 51.2V
Product code ED-TD 5.4
Battery type LiFePO₄ (Lithium Iron Phosphate)
Nominal voltage 51.2 VDC
Nominal Ah 106 Ah
Total energy capacity 5.4 kWh
Available energy @ 80% DOD 4.32 kWh
Maximum charge current 70 A
Bulk / Absorption charge voltage 56.2 VDC
Float voltage 55.6 VDC (BMS controlled)
Maximum discharge current 100 A / 90 A
Passive balancer 300 mA
Recommended inverter size 5 kVA
CAN-bus communication Yes
Recommended operating temp: Charge 5° – 45°C
Recommended operating temp: Discharge 0° – 50°C
Warranty period 5 Years / 4000 cycles @ 80% DOD
Nett weight 51 kg
Dimensions (h x w x d) 480mm x 320mm x 250mm
Installation type Indoors – Floor standing
Installation conditions Dry, clean, well-ventilated area
Enclosure Powder coated galvanised steel

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      Victron Energy Products Range

      Specialized Solar Systems: Victron Power, Perfected. As a certified Victron Energy distributor, Specialized Solar Systems delivers the ultimate in power solutions. We stand behind Victron’s unmatched quality, providing everything from inverters and chargers to advanced monitoring systems. Whether it’s off-grid, commercial, or mobile applications, Victron’s seamless ecosystem – with VictronConnect and VRM portal integration – ensures reliability, flexibility, and smart energy management. More importantly, you get complete system design, expert support, and full warranty coverage throughout Southern Africa. We’re with you every step of the way, ensuring your power is truly perfected.