Description: UltraSafe – safe, compact, powerful, portable lithium battery booster. Completely renewed model, the latest PX lithium technology, more efficient and faster starts, lightning fast turbo charging (up to 5x faster), incl. 99Wh lithium battery. Really versatile and easy to use, non-sparking, protected against wrong polarity connection. Safe connection to any battery. Improved thermal efficiency and power regulation guarantee better operation and a longer service life for the battery. Ultra-bright 500lm LED lamp: several brightness options as well as SOS and emergency flash, turbo charging: via the bi-directional 60W USB-C connector, fully charged in 2h 42min and from empty to ready to start in 5min. Also suitable as a portable power source and for charging various USB devices, such as smartphones, tablets and handheld microphones. The most versatile starter boosters on the market, 4250A starting current for up to 10l petrol and 8l diesel engines.