High performance 66Ah AGM battery, specially formulated to jump-start up to 8-cylinder engines, 9L diesel and 12L petrol. Highly durable casing and totally portable thanks to a retractable handle and puncture proof wheels. Easy-to-read digital voltmeter. 0/12/24V Rotary switch for spark-free connection. Supplied with heavy-duty brass clamps with inbuilt short circuit protection fuse (in the + clamp). Reverse polarity alarm, both visual and audible. 12V Fused output socket can be used as a memory saver, as well as to power accessories such as mini compressors. Supplied with an automatic 12/24V 7A smart charger and maintainer. Made in Switzerland.