---
product_id: 593118909
title: "CS Free®, 12V Portable Battery Charger, 4-in-1 Charger with Hi-tech Power Bank, for Car, Phone, Computer, Smart Battery Maintainer, Jump Starter Alternative with Adaptive Boost Technology, Black"
brand: "ctek"
price: "€ 1072.42"
currency: EUR
in_stock: true
url: https://www.desertcart.sk/products/593118909-cs-free-12v-portable-battery-charger-4-in-1-charger
store_origin: SK
region: Slovakia
---

# 15-min Adaptive Boost jump start 4-in-1 charger + maintainer + power bank USB-C & USB-A ports for multi-device charging CS Free®, 12V Portable Battery Charger, 4-in-1 Charger with Hi-tech Power Bank, for Car, Phone, Computer, Smart Battery Maintainer, Jump Starter Alternative with Adaptive Boost Technology, Black

**Brand:** ctek
**Price:** € 1072.42
**Availability:** ✅ In Stock

## Summary

> 🔋 Charge smarter, start faster, stay unstoppable.

## Quick Answers

- **What is this?** CS Free®, 12V Portable Battery Charger, 4-in-1 Charger with Hi-tech Power Bank, for Car, Phone, Computer, Smart Battery Maintainer, Jump Starter Alternative with Adaptive Boost Technology, Black by ctek
- **How much does it cost?** € 1072.42 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/593118909-cs-free-12v-portable-battery-charger-4-in-1-charger)

## Best For

- ctek enthusiasts

## Why This Product

- Trusted ctek brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Hi-Tech Power Bank:** Dual USB ports deliver reliable power to laptops, phones, and tablets wherever you are.
- • **Plug & Play Simplicity:** No buttons or confusing modes—just clear LED countdowns and intuitive operation for busy pros.
- • **Power Up in 15 Minutes:** Adaptive Boost tech safely jump-starts dead batteries faster than traditional boosters.
- • **Smart Battery Maintenance:** Keeps your 12V lead acid or lithium batteries in peak condition, extending lifespan effortlessly.
- • **All-in-One Charging Freedom:** Seamlessly switch between outlet, solar, or 12V battery power for ultimate off-grid versatility.

## Overview

The CTEK CS Free® is a cutting-edge 4-in-1 portable battery charger, smart maintainer, power bank, and Adaptive Boost jump starter alternative. Designed for 12V lead acid and lithium batteries, it delivers a safe, rapid 15-minute jump start, supports charging via power outlets, solar panels, or 12V batteries, and powers your devices through USB-C and USB-A ports. Compact and user-friendly, it’s the ultimate all-in-one power solution for professionals who demand reliability and freedom on the go.

## Description

Full description not available

## Features

- 4 Cutting-Edge Products in 1 Portable Unit – Adaptive Booster, battery charger, smart maintainer and hi-tech power bank.
- Adaptive Boost Technology Replaces the Need for Jumper Starters: Adaptive Boost works out the safest way to power up your dead battery to get you going within 15 minutes.
- Smart Battery charging: Use CS FREE as a portable charger to top up your battery, connect to power outlet, or hook up to a solar panel kit or 12V battery for complete charging freedom anywhere you go.
- Smart maintainer: Keep your battery in peak condition at home or off grid.
- Hi-tech Power Bank: No power? No problem. Charge up your laptops, smartphones, tablets and cameras whenever they need it with USB-A and USB-C ports. (NEED TO INCLUDE Milliamps per hour here).
- Smart and simple – no buttons or modes, just clear, easy to read displays. Countdown LEDs show the time left before the battery is fully charged.
- Stay Off-Grid Longer: CTEK accessories let you connect to solar panels or stand-alone 12V batteries using CS FREE’s fast USB-C input socket for longer term maintenance charging.
- One Charger for All Battery Types: Charges and maintains all types of 12V lead acid and lithium (12V LiFePO4) batteries.
- 2-year "peace of mind" warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | CTEK |
| Manufacturer | CTEK |
| Model | 2005 |
| Model Name | CTEK CS Free® |
| Product Dimensions | 24.89 x 9.91 x 7.87 cm; 1.6 kg |
| Batteries | 1 Lithium Ion batteries required. (included) |
| Item model number | 2005 |
| Special Features | Portable |
| Mounting Hardware | CS Free charger, clamps, plug, USB cable, range of plug adaptors |
| Number of items | 1 |
| Voltage | 20 Volts |
| Charging Time | 15 Minutes |
| Batteries Included | Yes |
| Batteries Required | No |
| Battery cell composition | Lithium Ion |
| Number of Ports | 2 |
| Does it contain liquid? | No |
| Manufacturer | CTEK |
| Country of Origin | USA |
| Item Weight | 1 kg 600 g |

## Product Details

- **Brand:** CTEK
- **Colour:** Black
- **Product Dimensions:** 24.9D x 7.9W x 9.9H Centimeters
- **Item Weight:** 1.6 Kilograms
- **Output Voltage:** 12 Volts (DC)

## Images

![CS Free®, 12V Portable Battery Charger, 4-in-1 Charger with Hi-tech Power Bank, for Car, Phone, Computer, Smart Battery Maintainer, Jump Starter Alternative with Adaptive Boost Technology, Black - Image 1](https://m.media-amazon.com/images/I/61Q61JAth7L.jpg)

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.sk/products/593118909-cs-free-12v-portable-battery-charger-4-in-1-charger](https://www.desertcart.sk/products/593118909-cs-free-12v-portable-battery-charger-4-in-1-charger)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-02-03*