📘 CEN-TECH manuals • Free online PDFs

CEN-TECH Manuals & User Guides

CEN-TECH is a private label brand strictly distributed by Harbor Freight Tools, known for affordable automotive diagnostic tools, digital multimeters, and battery charging solutions.

Tip: include the full model number printed on your CEN-TECH label for the best match.

CEN-TECH Support

Official site: https://www.harborfreight.com
General support: https://www.harborfreight.com/customer-service-contact-us.html
Warranty & registration: Warranty info
Support phone: 1-800-444-3353
Support email: productsupport@harborfreight.com
Contact form: Contact manufacturer support

CEN-TECH manuals

Selected manuals from manuals+ curated for this brand.

CEN-TECH 6/12 Volt Battery Load Tester Owner's Manual & Safety Instructions

Owner's Manual

Comprehensive owner's manual and safety instructions for the CEN-TECH 6/12 Volt Battery Load Tester (Model BT-100). Covers operation, testing procedures, maintenance, specifications, and warranty information.

CEN-TECH 6/12V Automatic Battery Charger with Engine Jump Start Owner's Manual & Safety Instructions

Owner's Manual

Comprehensive owner's manual and safety instructions for the CEN-TECH 6/12V Automatic Battery Charger with Engine Jump Start. Covers setup, operation, safety precautions, maintenance, and troubleshooting.

CEN-TECH 4-IN-1 Portable Jump Pack Owner's Manual & Safety Instructions

manual

Comprehensive owner's manual and safety instructions for the CEN-TECH 4-IN-1 Portable Jump Pack, covering operation, maintenance, specifications, and warranty. Includes safety warnings, setup procedures, operating instructions, and parts list.

CEN-TECH 630 Peak Amp Portable Jump Pack Owner's Manual and Safety Instructions

Owner's Manual

This manual provides safety warnings, assembly, operating, inspection, maintenance, and cleaning procedures for the CEN-TECH 630 Peak Amp Portable Jump Pack. Learn how to charge, jump-start a vehicle, and use…

Cen-Tech 6 Function Mini Digital Clamp Meter Owner's Manual and Safety Instructions

Owner's Manual

This manual provides safety warnings, precautions, assembly, operating, inspection, maintenance, and cleaning procedures for the Cen-Tech 6 Function Mini Digital Clamp Meter. Learn how to measure AC current, AC/DC voltage,…

CEN-TECH 2/6 Amp 6/12 Volt Battery Charger Owner's Manual & Safety Instructions

manual

This manual provides essential safety warnings, operating instructions, and maintenance procedures for the CEN-TECH 2/6 Amp 6/12 Volt Battery Charger (Item 60322). Learn how to safely connect, charge, and maintain…

CEN-TECH 6/12V Automatic Battery Charger with Engine Jump Start - Owner's Manual & Safety Instructions

manual

Comprehensive owner's manual and safety instructions for the CEN-TECH 6/12V Automatic Battery Charger with Engine Jump Start. Covers safety precautions, assembly, operation, maintenance, specifications, and parts list.

CEN-TECH Stainless Postal/Shipping Scale Owner's Manual & Safety Instructions

manual

This manual provides safety instructions, specifications, functions, operating procedures, calibration, troubleshooting, and warranty information for the CEN-TECH Stainless Postal/Shipping Scale (Item 59492).

CEN-TECH 750 Peak Amps Jump Starter Quick Start Guide - Instructions and Maintenance

quick start guide

Comprehensive quick start guide for the CEN-TECH 750 Peak Amps Jump Starter. Learn how to safely jump-start a vehicle, charge the unit, and maintain battery life for optimal performance. Includes…