Madrid deploys mobile electric vehicle charging unit. The roaming L-Charge rapid mobile charging van can be summoned via an app like a taxi It is also possible to book and assign the mobile charging van to a convenient location. The mobile charging van claims to provide rapid charging – from 0 per cent to 80 per cent in 15-25 minutes.L-Charge's charging van incorporates a mini-power station onboard that uses clean fuels to produce electricity.