The RB 4000 booster gives you instant power to start vehicles with dead 12V vehicle batteries up to 45 times, before needing a recharge. Packed with safety features, additional USB charging ports and a built-in flashlight, its as versatile as it is reliable. Powerful, compact and ready to go, it ensures nothing gets in the way of lifes journeys.

12V | Instant starting power

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 its more than just a jump starter. Its 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. Youll never miss a moment, no matter where your adventures take you with the peace of mind that comes from Swedens charging pioneers, CTEK.

Features

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.
2-year warranty.