TECMATE Cord with Tester Lithium Jar/20 O-127JAR

If you're running a lithium battery system in your race vehicle or shop setup, you need real-time visibility into charging status and system health—not guesswork. The TECMATE Cord with Tester gives you instant diagnostic feedback through dual operation modes, alerting you to overcharge conditions before they damage expensive LiFePO4 batteries. Whether you're monitoring charge levels during downtime or verifying your vehicle's charging system output, this tester eliminates the risk of silent battery degradation and charging system failures.

Technical Specifications:

• Dual automatic modes
• Battery charge level monitor
• Charging system test (arrow mode)
• Three status LEDs
• Full-to-empty voltage display
• Lithium battery compatible (LFP/LiFePO4)
• 12.8V/13.2V range
• Overcharge warning LED
• 14.2V–14.5V charge detection
• 14.6V+ overcharge alert
• Long-term draw: <0.2mA
• LED blink cycle: 10 seconds
• SAE charge port connector
• 5A fuse protection
• 1/4" / M6 ring terminals
• MPN: O-127JAR