CTEK RB 4000 Booster, 4000A RB 4000 Booster

With the RB 4000 Booster, you can start vehicles with flat 12 V batteries up to 45 times before it needs to be recharged. Equipped with safety functions, additional USB charging ports and an integrated torch, it is as versatile as it is reliable. Powerful, compact and ready to go, it ensures that nothing stands in the way of life's journeys.

Functions:

• Robust, Swedish-inspired design for reliable performance.
• Charges phones, tablets and other electronic devices via integrated USB-A and USB-C ports.
• Supplied with clamps, storage bag and instruction manual.
• Ergonomic design with intuitive LED indicators.
• Instant starting power - for up to 45 starts on a single charge
• Jump starter for all types of lead-acid batteries (12 V), including AGM, EFB, WET, GEL and Ca/Ca.
• Non-sparking technology and reverse polarity protection for safe use.
• Powerful yet compact for easy transport and storage.
• USB power bank with high capacity and integrated torch with 3 light modes.
• Input USB-C PD 30W.
• Output 12V, USB-A QC3.0, USB-C PD30W.
• Battery chemistry: lead-acid.
• Battery types 12 V: WET, MF, Ca/Ca, AGM, EFB, GEL.
• Power supply cable type: USB-C.
• Length of power supply cable: 1 m.
• Fast charging time: 3.5 h.
• Peak current of the battery: 4000A / 45 starts.
• Starting current: Up to 1300A.
• Maximum starting current: 2060 A.