Maxwell Technologies has unveiled its 24-volt ultracapacitor-based Engine Start Module (ESM) for cranking vehicle engines.
The product, used alongside lead-acid batteries, doubles the voltage of the San Diego based firm’s previous ESM and adds to its Engine Starting Solutions line.
The ESM offers cranking capabilities at temperatures of -40 when the discharge and effective capacity of traditional lead-acid batteries is reduced.
By not using lead-acid batteries for cranking, the ESM allows them to provide stable power to vehicle electronics such as lighting.
Maxwell offers ultracapacitor cells ranging in capacitance from one to 3,400 farads and multi-cell modules ranging from 12 to 160 volts.