Meet the powerful RB 4000 portable booster. Compact in size, yet packed with 4000A battery peak current, it is built to jump start most 12V batteries with ease. It has advanced safety features, including spark-proof technology and reverse polarity protection, so you can use it confidently to get back on the move. But it’s more than just a jump starter. It’s also a versatile, long-lasting power bank with USB charging ports for all your devices, and has a built-in LED flashlight with three lighting modes. You’ll never miss a moment, no matter where your adventures take you – with the peace of mind that comes from Sweden’s charging pioneers, CTEK.
Instant starting power – for up to 45 starts on a single charge.
Jump starts all kinds of 12V lead-acid batteries, including AGM, EFB, WET, GEL and Ca/Ca.
Spark-proof technology & reverse polarity protection for safe use.
Powerful, yet compact for easy portability and storage.
High-capacity USB powerbank plus a built-in flashlight with 3 lighting modes.
Robust Swedish-inspired design for dependable performance.
Charges phones, tablets and other electronics through built-in USB-A and USB-C ports.
Comes with clamps, storage bag and user guide.
Ergonomic design with intuitive LED indicators.
Download spec sheet here: ETCTEK 40-624
Download manual here: ETCTEK 40-624 Manual
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