OTC Digital Battery Load Tester

OTC Digital Battery Load Tester

The 3183 OTC Digital Battery Load Tester is a fast, accurate 12-volt battery tester that uses conductance test technology to analyze battery health by measuring multiple internal parameters and reporting clear good/bad results. With a bright 4-digit LED display and a built-in live voltmeter for starting/charging checks, it delivers 1-second initial results, supports 125–1400 CCA, and includes temperature and low-charge compensation for reliable testing in real-world conditions.

Country of Origin: Varies by production batch

Key Features / Specifications

• Brand: OTC
• Part Number: 3183
• Product Type: Digital battery tester / load tester
• Battery Voltage Tested: 12V
• CCA Test Range: 125–1400 CCA
• Test Method: Conductance test technology
• Results Speed: Quick 1-second initial results
• Display: Bright 4-digit LED
• Readouts: Good/Bad status, available CCA, and voltage
• Voltmeter Function: Live voltmeter for starting/charging system voltage testing
• Compensation / Diagnostics:
  • Temperature compensation
  • Low charge compensation
  • Surface charge warning
  • Detects loose leads
  • Detects bad cells
• Supported Rating Standards: CCA, IEC, DIN, BCI, EN
• Included: Digital Battery Tester and soft-sided carrying case

Ideal For

• Quickly evaluating 12V battery health in vehicles and equipment
• Checking starting and charging system voltage during diagnostics
• Shops and fleets needing fast, repeatable results with wide CCA coverage
• Technicians who want a clear good/bad readout plus voltage and available CCA