8 1/4 L x 4 1/4 W x 4 1/4 D.
) Analysts noted that The Best unit “required minimal cranking” and that it was “one of the easiest units to use. 1,000-Amp Jump Starter The Best model instantly started four- and six-cylinder engines ten times in a row, unlike inferior units that failed to start either. This rechargeable 1,000 Amp portable automotive jump starter earned The Best rating from the Hammacher Schlemmer Institute because it was one of the only jump pack units that consistently started multiple vehicles.” With short circuit spark-proof protection, a micro-USB port for charging tablets, smartphones, and tire inflators, and an integrated 100-lumen LED flashlight with multiple modes including an SOS and emergency strobe.