RB 4000 Battery Booster by Ctek

The Ctek RB 4000 battery booster provides instant starting power for discharged 12 V batteries. Its compact design, anti-spark technology, and reverse polarity protection make troubleshooting on the go easy. It also serves as a USB power bank and features a three-mode LED light.

Usage and Performance

• With a peak current of 4000 A and a maximum starting current of 2060 A, it delivers the necessary power to start vehicles equipped with a 12 V battery.
• Up to 45 starts are available on a single charge, allowing for multiple jump-starts before needing to recharge the booster.
• The minimum starting voltage of 2.5 V helps revive a deeply discharged 12 V battery.
• Its internal capacity of 24000 mAh ensures a reserve of energy for starts and powering mobile devices.
• Compatibility with 12 V lithium, WET, MF, Ca/Ca, AGM, EFB, and GEL batteries covers various battery technologies.
• The operating temperature range of -20 °C to +55 °C for output supports use in varied temperatures.

Safety and Standards

• The anti-spark technology secures the connection of the booster to the battery.
• Reverse polarity protection minimizes risks associated with incorrect connections.
• The IP65 protection rating enhances the booster’s safety during mobile use.

Practicality and Features

• The 12 V, USB-A QC3.0, and USB-C PD 30 W outputs allow for powering multiple devices on the move.
• The integrated LED flashlight with three lighting modes provides a source of light during interventions.
• Its dimensions of 239 x 107 x 40 mm make it easy to store the booster in a compact space.
• Weighing in at 1210+/-10 g, it is easy to transport along with the cables.
• The quick charge time of 3.5 hours reduces waiting time before the booster can be reused.