Scope

Nominal energy conversion only. Usable energy depends on chemistry, depth of discharge, temperature, and inverter losses.

Lookup table

Convert battery amp-hours to nominal kilowatt-hours at common DC voltages.

Scroll sideways to keep row labels aligned with hidden columns.

Formula basis: nominal kWh = amp-hours x nominal volts / 1000.
Battery capacity (Ah)12 V kWh24 V kWh48 V kWh
500.61.22.4
1001.22.44.8
1501.83.67.2
2002.44.89.6
3003.67.214.4
4004.89.619.2
50061224
Notes
  • Check table values for preliminary lookup and arithmetic checks only.
  • Confirm equipment ratings, product markings, installation conditions, utility requirements, and the local authority requirements before design or field use.