CTEK RB4000 Portable Jump Starter – 4000A, booster for 12V batteries in vehicles

PRODUCT DESCRIPTION Never get caught out by a flat battery with the CTEK RB4000 portable jump starter. Delivering an impressive 4000A peak current, this compact yet powerful booster can jump-start most 12V batteries—from motorcycles to trucks—up to 45 times on a single charge. Designed with your safety in mind, it features spark-proof technology and reverse polarity protection for worry-free use. Beyond jump-starting, the RB4000 doubles as a reliable power bank with USB charging ports and includes a built-in LED flashlight with three multiple lighting modes—making it an essential companion for every journey.