The TAGLab C8 battery charger is an intelligent 9-stage automatic battery charger with trickle charging capabilities. Short Circuit Protection (defective battery), Reverse Charge Protection (connected with reversed polarity), Sparking, Over Heat Protection, Over Current Protection, Over Charge Protection. Battery Capacity : 12V : 5 ~ 280 Ah / 24V : 14 ~ 150 Ah. Vehicle Compatibility: Bike, Motorcycle, Car, Sedan, MPV, SUV, Taxi, Rickshaw, Pick-up Van, Tempo, Truck, Bus, Tractor Applicable for 12-Volt Car batteries and 24-Volt Commercial batteries. Fully Automatic 9 stages charging and maintenance controlled by an internal MCU (Micro Computer Unit). Trickle charging for optimum battery care. Dust and splash water proof IP65. Power backup and Regeneration functions. Product doesn’t work on Dead or Defective batteries. Product will only charge the Battery. Charge holding will solely depend on Battery quality / life. Register your unit with TAGLab site for extended warranty.