12A fully automatic battery charger for 12V vehicles up to 3L. Protects from overcharging: detects when the battery is full and automatically switches to a lower charge rate. The LED display screen shows battery voltage and charge rate applied, and also includes reverse polarity indicating LED. Fast and slow charge rate settings. Includes storage compartments for cables and battery clamps, and rubber handle for comfortable grip. Ideal for DIY, enthusiasts and standard battery charging.