Diagnostic & Battery Tools

Understand what your car is telling you before a small problem becomes a big repair bill. Our diagnostic and battery tools help you read check engine codes, test your battery and charging system, and keep stored vehicles ready to start.

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Battery Post & Terminal Cleaning Brush 1
Battery Post & Terminal Cleaning Brush 1

Battery Post & Terminal Cleaning Brush

Regular price $12.99
Sale price $12.99 Regular price
Unit price
A two-ended steel wire brush that scrubs corrosion off battery posts and cable clamps to...
6V/12V Smart Battery Maintainer - 1 Amp
6V/12V Smart Battery Maintainer - 1 Amp

6V/12V Smart Battery Maintainer - 1 Amp

Regular price $34.99
Sale price $34.99 Regular price
Unit price
A compact automatic battery maintainer for compatible 6V or 12V batteries. Check battery compatibility and...
Auto-Ranging Automotive Digital Multimeter
Auto-Ranging Automotive Digital Multimeter

Auto-Ranging Automotive Digital Multimeter

Regular price $44.99
Sale price $44.99 Regular price
Unit price
An auto-ranging digital multimeter for common automotive electrical measurements. It is not a substitute for...
12V Car Battery & Charging System Tester
12V Car Battery & Charging System Tester

12V Car Battery & Charging System Tester

Regular price $64.99
Sale price $64.99 Regular price
Unit price
A handheld tester designed to assess battery condition, cranking voltage, and charging-system output. Results depend...
Bluetooth OBD2 Scan Tool & Code Reader
Bluetooth OBD2 Scan Tool & Code Reader

Bluetooth OBD2 Scan Tool & Code Reader

Regular price $129.99
Sale price $129.99 Regular price
Unit price
A plug-in OBD2 scanner that pairs with a compatible phone to read and clear supported...
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