Compact electronic battery charger with pressed steel casing and carrying handle. Intelligent charge control and selectable slow or fast charge output makes this unit perfect for long term maintenance of batteries on irregularly or seasonally used vehicles. Suitable for lead-acid or low maintenance batteries, charger reacts continuously to battery condition and delivers whatever charge rate is required. Reverse polarity protection prevents inadvertent damage to charger. An LED display confirms the status of charger and an analogue ammeter gives an accurate indication of charge rate. This electronic charger can be connected to a battery for an indefinite period - the intelligent circuitry constantly monitoring the voltage and maintaining the charge level at optimum.