Keyless entry systems drain car batteries by staying constantly active, reducing battery life from five years to three and causing unexpected $300 replacements.

LONDON, June 27 (Reuters) - British battery sensor firm Metis Engineering said on Tuesday it has developed a sensor to measure electric vehicle (EV) battery health that should allow insurers to ...

Integrating a shunt resistor and Hall-based current sensor into a single device helps simplify EV architectures and enhances safety. LEM has introduced a unique current sensor for electric-vehicle (EV ...