CTEK RB 4000 Booster

Ctek Rb 4000 Battery Starter 12v. Introducing the CTEK CS FREE, your ultimate 4-in-1 portable 12V power solution! This revolutionary device goes beyond a simple starter, offering adaptive boost technology that safely gets your vehicle running in 15 minutes by intelligently assessing your battery. Beyond jump-starting, it functions as a smart charger, maintainer for peak battery health, and a high-tech power bank for all your USB devices. With its internal lithium battery, enjoy grid-free power anytime, anywhere for cars, motorcycles, and more. Simple, safe, and universally compatible with all 12V batteries, the CS FREE ensures reliability and peace of mind for every journey. CTEK CS FREE: The Ultimate 4-in-1 Portable 12V Battery Charger & Adaptive BoosterExperience true freedom from the grid and never worry about a dead battery again with the revolutionary CTEK CS FREE. This isn´t just a battery starter, it´s a complete, portable 12V power solution designed for the modern vehicle owner. Whether you´re at home, on the road, or deep in the great outdoors, the CS FREE provides the power you need, when you need it, for your car, motorcycle, boat, or any 12V vehicle.The core of the CS FREE is its groundbreaking Adaptive Boost technology. Unlike conventional battery boosters that deliver a harsh, uncontrolled jolt of power, the CS FREE intelligently analyzes the state of your flat battery. It then automatically calculates the safest and fastest way to give it just enough charge to start your vehicle, typically within 15 minutes. This smart, gentle process protects the sensitive electronics in today´s advanced vehicles, giving you total peace of mind.Key Benefits & Main Features:* Completely Portable Power: The internal lithium battery holds its charge for up to a year, allowing you to charge a flat battery anywhere without needing to be connected to a power outlet. Get back on the road from anywhere.* 4-in-1 Versatility: It's a multi-talented device.1. Adaptive Booster: Safely gets your flat battery started in 15 minutes.2. Battery Charger: Connect to a power source (mains, solar, or another battery) to use it as a full-featured smart battery charger.3. Smart Maintainer: Keeps your battery in peak condition during storage, extending its life and ensuring reliability.4. Hi-tech Power Bank: With USB-C and USB-A outputs, you can charge your laptops, smartphones, tablets, and other portable devices on the go.* Simple and Safe to Use: There are no complex modes to select. Simply connect the clamps to the battery, and the CS FREE does the rest. Easy-to-follow LEDs show you the progress of the charge and provide a countdown for when your vehicle is ready to start.* Universal Compatibility: The CS FREE works with all types of 12V lead-acid and lithium (LiFePO4) batteries, making it the only portable charger you´ll ever need.As one of the most advanced portable battery boosters available, the CTEK CS FREE is the perfect companion for adventurers, road trippers, and every car owner seeking reliability and independence. It's more than just an emergency tool, it´s a smart investment in your vehicle´s health and your own peace of mind.Technical Specifications:* Battery Compatibility: 12V, WET, MF, Ca/Ca, AGM, EFB, GEL, Lithium (LiFePO4)* Internal Battery Capacity: 66Wh* USB-C Input: 5 VDC – 25 VDC / 3 A / 60W max* USB-C Output: 5V, 9V, 12V, 15V, 20V / 3A / 60W max* USB-A Output: 5V / 2.4A / 12W max* Operating Ambient Temperature: -20 °C to +50 °C (-4 °F to +122 °F)* Enclosure Protection: IP54 (splash and dust proof)* Dimensions (L x W x H): 248x98 x 78 mm* Net Weight: 1.4 kg. tradeinn Waveinn

4000A of Power: Delivers instant 4000A battery peak current with up to 45 starts on a single charge. Suitable for regular cars yet powerful enough for larger vehicles and demanding conditions. Vehicle Capability: Built for a wider range of 12V vehicles – from cars to trucks – offering extra power for tougher starts. Safety First: Enhanced spark-proof and reverse polarity protection engineered for higher-power performance. Convenient: Detachable cables for quick setup and compact storage. Power and portability combined in one robust unit. High-Capacity Power Bank: USB-A and USB-C ports to charge phones, tablets, and other devices on the go. Flashlight Built-In: 3-mode LED flashlight (Standard, SOS, Strobe) for roadside emergencies and repairs. Confidence: Swedish-inspired design from charging experts CTEK for dependable performance. Easy to Use: Ergonomic grip and intuitive LED indicators for clear, simple operation. Value: Complete kit with clamps, user guide, and a durable protective case supplied as standard. Relax: Always ready when it matters most. Warranty: Peace of mind with a 2-year warranty.