CRAFTSMAN 4-in-1 Battery Charger, Maintainer, and Tester (CMXCESM258) – Limited Time Deal

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$52.28 $65.29

Product Overview

The CRAFTSMAN 4-in-1 Battery Charger, Maintainer, and Tester (CMXCESM258) is an all-in-one solution for charging, maintaining, and diagnosing 12V vehicle and equipment batteries. Designed for cars, trucks, ATVs, motorcycles, and boats, this 12-amp unit automatically adjusts charging based on battery condition and switches to float mode when charging is complete.

This smart charger features integrated battery and alternator testing, allowing you to check charging system performance without additional tools. It also works as a battery maintainer, keeping stored batteries in peak condition over time—perfect for seasonal vehicles or backup power.

A digital LCD screen displays voltage, charge rate, and diagnostic information, while reverse polarity protection, spark-proof clamps, and automatic shut-off provide safe, reliable operation.

Technical Specs

  • Brand: CRAFTSMAN
  • Model Number: CMXCESM258
  • Tool Type: 4-in-1 battery charger, maintainer, tester, and alternator checker
  • Amperage: 12 amps
  • Voltage: 12V systems only
  • Display: Digital LCD screen with system status readout
  • Battery Compatibility: Standard, AGM, and gel cell
  • Functions: Automatic charging, maintenance, battery testing, alternator testing
  • Safety Features: Reverse polarity protection, auto shut-off, spark-resistant clamps
  • Use Case: Automotive, marine, lawn tractors, motorcycles, seasonal vehicles

What It’s Good For

This unit is ideal for garage tinkerers, DIYers, and everyday vehicle owners who want a reliable tool to charge, maintain, and monitor their battery’s health. It’s especially useful for keeping batteries fresh during long periods of inactivity.

Compared to Other Chargers

Unlike basic trickle chargers, the CMXCESM258 offers diagnostic capabilities, smart charging control, and alternator testing—all in one compact device. It’s a more advanced option for users who want to avoid overcharging and get detailed feedback on their vehicle’s electrical system.

Also Known As

  • CRAFTSMAN CMXCESM258 Smart Battery Charger
  • CRAFTSMAN 12A Battery Tester and Maintainer
  • CRAFTSMAN 4-in-1 Automotive Battery Tool
  • CMXCESM258 Charger with Alternator Check
Model Number: CMXCESM258