Ctek Booster RB 4000

CTEK RB 4000 Booster, 4000A RB 4000 Booster

With the RB 4000 Booster, you can start vehicles with dead 12V batteries up to 45 times before it needs to be recharged. Equipped with safety features, additional USB charging ports, and a built-in flashlight, it is as versatile as it is reliable. Powerful, compact, and ready to use, it ensures that nothing stands in the way of life's journeys.

Features:

• Sturdy, Swedish-inspired design for reliable performance.
• Charges phones, tablets, and other electronic devices via integrated USB-A and USB-C ports.
• Comes with clamps, a storage bag, and a user manual.
• Ergonomic design with intuitive LED indicators.
• 2-year warranty.
• Instant starting power – for up to 45 starts on a single charge.
• Jump-starts all types of lead-acid batteries (12V), including AGM, EFB, WET, GEL, and Ca/Ca.
• Spark-free technology and reverse polarity protection for safe use.
• Powerful yet compact for easy transport and storage.
• High-capacity USB power bank with a built-in flashlight featuring 3 brightness modes.
• Input USB-C PD 30W.
• Output 12V, USB-A QC3.0, USB-C PD30W.
• Battery chemistry: Lead-acid.
• 12V battery types: WET, MF, Ca/Ca, AGM, EFB, GEL.
• Power supply cable type: USB-C.
• Power supply cable length: 1 m.
• Fast charging time: 3.5 h.
• Peak battery current: 4000A / 45 starts.
• Starting current: Up to 1300A.
• Maximum starting current: 2060 A.