CTEK RB 4000 4000A 12V Portable Battery Booster & Jump Starter

The CTEK RB 4000 is a powerful portable battery booster designed to provide instant starting power when a 12V vehicle battery is flat or unable to start the vehicle.

With a 4000A peak current, the compact RB 4000 is designed to jump start most 12V vehicle batteries and can provide enough starting assistance for up to 45 starts before requiring a recharge, according to the manufacturer.

The RB 4000 is more than a jump starter. Built-in USB-A and USB-C charging ports allow it to function as a portable power bank for compatible electronic devices, while the integrated LED flashlight offers three lighting modes for additional convenience when working around a vehicle or in low-light conditions.

Safety features include spark-proof operation and reverse polarity protection. The ergonomic design features intuitive LED indicators, while the supplied clamps and storage bag make the booster convenient to keep in a vehicle and ready when needed.

Key Features

• 4000A peak current
• Designed for 12V vehicle batteries
• Portable jump starter and battery booster
• Can provide up to 45 starts before recharging, according to the manufacturer
• Spark-proof technology
• Reverse polarity protection
• Built-in USB-A charging port
• Built-in USB-C charging port
• Can charge phones, tablets and other compatible electronics
• Integrated LED flashlight
• Three flashlight lighting modes
• Ergonomic design with LED indicators
• Supplied with battery clamps and storage bag
• 2-year warranty

Specifications

Compatibility / Applications

Designed for providing emergency starting assistance to 12V vehicle batteries.

Suitable for use with many 12V vehicles where additional starting power is required, subject to the vehicle and battery being within the booster's intended operating requirements.

The built-in USB-A and USB-C ports also allow the unit to be used as a portable power bank for compatible devices such as:

• Mobile phones
• Tablets
• Other USB-powered electronics