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5.4 – 21.6 kWh towerDOCK LiFePO4 (LFP) StorageDOCK Battery

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

Key Technical Specifications

  • Total energy capacity: 5400 Wh
  • Usable energy: 4320 Wh (80% depth of discharge)
  • Current capacity: 106 Ah
  • Nominal voltage: 51.2 VDC
  • Maximum charge current: 70 A
  • Discharge current: 100 A (max) / 90 A (continuous)
  • Recommended inverter: 5 kVA
  • Scalability : Max. 4 units in parallel (5.4 kWh- 21.6kWh)

Advanced Battery Management

  • Charging logic: BMS-controlled charging with 56.2 VDC (bulk/absorption) and 55.6 VDC (float)
  • Communication: Integrated CAN-bus for system monitoring
  • Cell balancing: 300 mA passive balancer for long-term performance
  • Scalability: Supports parallel expansion within the towerDOCK range

Design & Durability

  • Enclosure: Powder-coated galvanised steel
  • Dimensions: 480 × 320 × 250 mm
  • Weight: 51 kg
  • Warranty: 5 years or 4000 cycles (80% DOD)

Installation Requirements

Install this floor-standing unit in a dry, well-ventilated indoor area. The system includes the required cables to support a straightforward installation.
Technical Specifications towerDOCK Series
Description ED-TD 5.4 ED-TD 10.8 ED-TD 16.2 ED-TD 21.6
Battery type LiFePO₄ LiFePO₄ LiFePO₄ LiFePO₄
Nominal voltage 51.2 VDC 51.2 VDC 51.2 VDC 51.2 VDC
Nominal Ah 106 Ah 212 Ah 318 Ah 424 Ah
Total energy capacity 5.4 kWh 10.8 kWh 16.2 kWh 21.6 kWh
Available energy @ 80% DOD 4.32 kWh 8.64 kWh 12.96 kWh 17.28 kWh
Maximum charge current 70 A 140 A 210 A 280 A
Bulk / Absorption charge voltage 56.2 VDC 56.2 VDC 56.2 VDC 56.2 VDC
Float voltage 55.6 VDC 55.6 VDC 55.6 VDC 55.6 VDC
Maximum discharge current 100A / 90A 180A / 160A 270A / 240A 360A / 320A
Passive balancer 300 mA 300 mA 300 mA 300 mA
Recommended inverter size 5 kVA 8 kVA 10 kVA 15 kVA
CAN-bus communication Yes Yes Yes Yes
Warranty period 5 Years / 4000 cycles 5 Years / 4000 cycles 5 Years / 4000 cycles 5 Years / 4000 cycles
Nett weight 51 kg 102 kg 153 kg 204 kg
Dimensions (w x d x h) 480 x 320 x 250 mm 480 x 320 x 500 mm 480 x 320 x 750 mm 480 x 320 x 1000 mm
Installation type Floor standing Floor standing Floor standing Floor standing
Enclosure Powder coated steel Powder coated steel Powder coated steel Powder coated steel

energyPOD Range – Containerized Energy. Anywhere

Factory-built, climate-controlled energy systems designed for fast deployment, flexible use and reliable power in all conditions.

storageDOCK Residential & Lite Commercial Batteries

A full range of LiFePO4 batteries for homes, apartments and light commercial sites. Choose compact, mid-voltage and 51.2V storage options that scale with your energy needs.