2 x High-output 22Ah AGM batteries Can also be used as a 12V power source or memory saver Ribbed and durable ABS chassis Colour-coded LED charge indicator allows the user to easily control the charge level of the internal battery and test the alternator of the vehicle Industrial-grade brass angled clamps with short-circuit protection fuse inside red clamp Heavy-duty connectors for voltage selection (12/24V) Reverse polarity alarm (visual and acoustic) activates when clamps are connected backwards Supplied with an automatic 12V charger and an optional 12V cable for charging unit in a vehicle Specificactions: Voltage- 12/24V Battery Capacity- 2 x 22Ah Cranking Amps - Peak Amps- 2000/1000 CA - 5000/2500 PA Voltmeter- Colour-coded LEDs (battery level + alternator status) Cable length/cross-section- 130 cm/50mm Automatic charger- 12V-3A Clamps- Fully insulated brass clamps Short-circuit protection fuse- 500A fuse built in clamp Cigarette-lighter socket- Inclu