These are some terms that often appear on this website.

  • 18650: is a cylindrical cell with a diameter of 18 mm and 65 mm long
  • 21700: is a cylindrical cell with a diameter of 21 mm and 70 mm long (popularized by Tesla)
  • 26650: is a cylindrical cell with a diameter of 26 mm and 65 mm long
  • AC: Alternating Current
  • AWD: All Wheel Drive
  • BEV: Battery Electric Vehicle
  • BMS: Battery Management System
  • CCS: Combined Charging System
  • Cycle life: how many charge/discharge cycles a battery cell can perform before reaching its EOL
  • DC: Direct Current
  • DOD: Depth of Discharge
  • EOL: End of Life
  • EV: Electric Vehicle
  • EVSE: Electric Vehicle Supply Equipment
  • FCEV: Fuel Cell Electric Vehicle (it’s a scam)
  • FWD: Front Wheel Drive
  • GOM: Guess-O-Meter
  • ICE: Internal Combustion Engine
  • LIB: Lithium-ion battery
  • Life cycle: the life cycle of a battery cell is mostly influenced by time, temperature and cycle life
  • LiFePO4: the same as LFP
  • LFP: Lithium-ion battery cell with a cathode made of iron phosphate
  • LFMP: Lithium-ion battery cell with a cathode that besides lithium includes iron phosphate and manganese
  • NCA: Lithium-ion battery cell with a cathode that besides lithium includes nickel, cobalt and aluminium
  • NCM: Lithium-ion battery cell with a cathode that besides lithium includes nickel, cobalt and manganese
  • NCM 111: cathode with a Ni:Co:Mn composition ratio of 1:1:1
  • NCM 523: cathode with a Ni:Co:Mn composition ratio of 5:2:3
  • NCM 622: cathode with a Ni:Co:Mn composition ratio of 6:2:2
  • NCM 712: cathode with a Ni:Co:Mn composition ratio of 7:1:2
  • NCM 811: cathode with a Ni:Co:Mn composition ratio of 8:1:1
  • PHEV: Plug-in Hybrid Electric Vehicle
  • RWD: Rear Wheel Drive
  • SOC: State of Charge
  • TMS: Thermal Management System
  • ZEV: Zero Emission Vehicle