Freedom Won eTower 2
The Freedom Won eTower 2 is a battery pack with a rated capacity of 100Ah and dimensions of 224x442x384.
Last updated: 27 October 2026
Battery and charging
- Battery chemistry
- LiFePO4
- Energy (kilowatt-hours)
- at least 5kWh
- Voltage
51,2V
eTower-2-Guarantee.pdf · retrieved 18 October 2026
“The eTower 2 battery modules contain an energy capacity when new of at least 5kWh and 100Ah at a nominal voltage of 51,2V.”
Source: freedomwon.co.za/wp-content/uploads/eTower-2-Guarantee.pdf
Freedom-Won-eTower-2-Overview-Sheet-2.pdf · retrieved 27 October 2026
“Nominal Voltage [V] 51.2V, to suit 48V Inverters, min 47V, max 56V.”
Source: freedomwon.co.za/wp-content/uploads/Freedom-Won-eTower-2-Overview-Sheet-2.pdf
- Rated capacity
- 100Ah
- Depth of discharge it is rated at
- Each eTower 2 battery is preconfigured to prevent ordinary discharge below 90% DoD by commanding the connected inverter over the applicable communication interface to stop discharging.
“Freedom Won eTower 2 modular stackable LiFePO4 battery”
Source: freedomwon.co.za/wp-content/uploads/Freedom-Won-eTower-2-Overview-Sheet-2.pdf
“The eTower 2 battery modules contain an energy capacity when new of at least 5kWh and 100Ah at a nominal voltage of 51,2V.”
Source: freedomwon.co.za/wp-content/uploads/eTower-2-Guarantee.pdf
The maker’s own documents give the same figure
“The eTower 2 battery modules contain an energy capacity when new of at least 5kWh and 100Ah at a nominal voltage of 51,2V.”
Source: freedomwon.co.za/wp-content/uploads/eTower-2-Guarantee.pdf
“Each eTower 2 battery is preconfigured to prevent ordinary discharge below 90% DoD by commanding the connected inverter over the applicable communication interface to stop discharging.”
Source: freedomwon.co.za/wp-content/uploads/eTower-2-Guarantee.pdf
Battery care and safety
- Where it may be used
- The eTower 2 must be installed indoors away from direct sunlight, precipitation, moisture, and sea mist.
- Operating temperature range
- -20 to +50 degrees Celsius
“The eTower 2 must be installed indoors away from direct sunlight, precipitation, moisture, and sea mist.”
Source: freedomwon.co.za/wp-content/uploads/eTower-2-Guarantee.pdf
“The extreme safe ambient operating range is -20 to +50 degrees Celsius, however operation in the extreme range will significantly reduce the life of the battery, of which the impact is not covered by the warranty.”
Source: freedomwon.co.za/wp-content/uploads/eTower-2-Guarantee.pdf
Size and fit
- Overall dimensions
- 224x442x384
“Dimensions - H x W x D (excluding busbars on front) [mm] Single unit without pedestal: 224x442x384”
Source: freedomwon.co.za/wp-content/uploads/Freedom-Won-eTower-2-Overview-Sheet-2.pdf
Sources
- Archived document
Source: freedomwon.co.za/wp-content/uploads/Freedom-Won-eTower-2-Overview-Sheet-2.pdf
Retrieved October 27, 2026
- Archived document
Source: freedomwon.co.za/wp-content/uploads/eTower-2-Guarantee.pdf
Retrieved October 18, 2026