GT3000 and GT4000 have all the smart protections through GOOLOO built-in smart clip, just like other series of GOOLOO jump starters that are equipped with smart jumper cables for safety protection. All GOOLOO jump starters are designed with a wide compatibility range that can jump-start all your 12V vehicles easily and conveniently, from cars and motorcycles to RVs, ATVs, SUVs, tractors, and boats.
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