CTEK, Inc.

Chicago, IL 60656


About CTEK, Inc.


5521 N. Cumberland Ave, Suite 1104
Chicago, IL 60656
United States of America

More Info on CTEK, Inc.

CTEK manufactures a complete range of new generation high-quality, reliable battery chargers and accessories for private and professional use that are effective, user-friendly and safe to use. CTEK has become the most trusted name in battery charging, manufacturing and distributing both CTEK and OEM branded chargers, according to the company.  A provider of Switch Mode Technology, CTEK’s cutting-edge innovations have made it a global industry leader selling more than four million chargers in over 60 countries worldwide.


Shop Equipment

CTEK launches portable battery charger

July 13, 2021
The CS FREE is four products in one portable unit: Adaptive Boost safe start, battery charger, smart maintainer, and hi-tech power bank.
Pro25 S
Shop Equipment

PRO25S 25A Battery Charger and Power Supply

Sept. 18, 2020
The CTEK PRO25S 25A Battery Charger and Power Supply is designed to meet the needs of the automotive professional. Combining power and advanced technology with safety, portability...
Shipping Eeeb6596 B423 44df B6ba Fc3616e13302
Shop Equipment

CTEK’s battery chargers help power frontline emergency vehicles and equipment

Sept. 15, 2020
For most, a flat vehicle battery is an inconvenience, but in the fight against COVID-19, it could mean life or death.
Ctek Multi Us 25000
Shop Equipment

Multi US 25000 Battery Charger

May 27, 2020
CTEK’s Multi US 25000 Battery Charger is an 8-step charger for 12V batteries requiring rapid charging, ranging from RVs, boats, trucks, cars, and professional garages. The Multi...

Articles & News

Photo courtesy of PulseTech
The City of Houston Fire Department restores lost capacity in batteries with PulseTech’s SolarPulse on standby equipment stored outside.
Battery & Electrical

Better battery maintenance for commercial vehicles

Feb. 5, 2019
A good preventive maintenance program can identify battery issues early.
Matt Ingram, CTEK Ask the Expert
Diagnostic & Repair

Ask the Expert: What causes sulphation in a lead acid battery, and are there solutions to fix this?

April 25, 2014
More often than not, sulphation is caused by user neglect or in many cases, just not paying attention to your battery.
Matt Ingram, CTEK Ask the Expert
Diagnostic & Repair

Ask the Expert: What are some the advancements in modern battery chargers and maintainers?

March 5, 2014
Some new-generation battery chargers feature updated microprocessor technology for better battery service.
Matt Ingram, CTEK Ask the Expert
Diagnostic & Repair

Ask the Expert: What is the proper way to care for a battery in cold climates or freezing conditions?

Feb. 17, 2014
Batteries need special care in the cold because they will drastically lose cranking power when the mercury drops.

Videos & Resources

Ctek Logo Cmyk Hr 11294800
Diagnostic & Repair

This is what happens if you don't look after your battery

April 25, 2014
An infographic with details on what happens to a battery without proper routine maintenance.

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All content from CTEK, Inc.

Ctek Dcdc Onboard Charging Solution
Shop Equipment

DC/DC Onboard Charging Solution

March 19, 2020
The CTEK DC/DC Onboard Charging Solution, featuring the D250SE and Smartpass 120S, provides a powerful 140A charging capability for a RV or commercial vehicle battery. The D250SE...
Smartpass 120 S, Side
Shop Equipment

Smartpass 120S

Nov. 13, 2019
The CTEK Smartpass 120S is a fully automatic 120A power management system that distributes power between the starter battery, the service battery, and onboard equipment, without...
D250 Se, Side
Shop Equipment


Nov. 13, 2019
The CTEK D250SE is designed to deliver 20A of power to charge, condition, and maintain any 12V service battery while on the move. It's compatible with smart alternators and its...
D250 Se + Smart Pass 120 S W Connection Brackets, Top
Shop Equipment

CTEK announces improved on-board charging solution

Nov. 13, 2019
The D250SE and Smartpass 120S, give technicians an on-board power solution – compatible with all 12V service batteries, including lithium (12V LiFePO4).
Ctek Mxs 5 0
Shop Equipment

MXS 5.0 Smart Charger/Maintainer

May 23, 2018
The CTEK MXS 5.0 Smart Charger/Maintainer has an automatic temperature sensor to help ensure the duration and rate of charge is the exact amount needed. The MXS 5.0 smart charger...
Download (3)
Battery & Electrical

CTEK enters electric vehicle charging market

May 7, 2018
CTEK acquires Swedish electric vehicle charging product developer Chargestorm.
Battery Sense App Battery 58b8264da0db4
Shop Management

Battery Sense 2.0 Smartphone App

Feb. 27, 2017
The CTEK Battery Sense 2.0 Smartphone App is a Bluetooth enabled battery monitor designed to prevent unnecessary breakdowns and help maximize vehicle performance. Battery sense...
ctek mus 4 3 polar 54cbc45a670f8
Diagnostic & Repair

MUS 4.3 Polar, No. 56-958

Jan. 30, 2015
The CTEK MUS 4.3 Polar, No. 56-958, is a fully automatic "connect and forget" 12V charger with eight charging steps and it offers selectable 0.8A, and 4.3A programs. The Recond...