Australian start-up launches new home battery - One Step Off The Grid
onestepoffthegrid.com.au
Australian start-up launches its first dedicated small-scale residential battery, a 48V 5.12kWh battery that can be easily stacked to increase capacity.
  • No1
    23·
    11 months ago

    Yeah, but does that mean a 48V 5.12kWh would be (roughly) equivalent to a 240V 1 kWh battery?

    Sorry, I’m only kinda familiar with power tools and bikes etc where the motor/output is rated the same as the battery itself…

    meh, I guess the volts don’t matter. All the other batteries are rated at Ah, not kWh…

    • ⸻ Ban DHMO 🇦🇺 ⸻M
      11·
      11 months ago

      5.12kW is 5.12kW no matter what the voltage is. I think you might be confusing current (amps) with power (watts).

      P = IV

      P = power

      I = current

      V = potential difference (voltage)

      so 5.12*10^3 W / 240V = 2133.33A —> 2.13 kAh

      vs

      5.12*10^3 W / 48V = 10666.67A —> 10.67 kAh

      so yes, it will last longer at 48V but calling it 5.12kWh is not misleading

      • No1
        8·
        11 months ago

        Yeah, thanks. I kinda figured it out that I was confusing the other batteries being rated at Ah, not kWh.

        But I appreciate you spending the time to set it out clearly.

        Have a good one.