Tecmate O-127JAR OptiMATE Lithium Battery Monitor Cable with SAE Connector - Pack of 20

The Tecmate OptiMate Monitor O-127 is a premium battery monitoring lead designed for 12.8V/13.2V lithium (LiFePO4/LFP) batteries in powersport vehicles, motorcycles, ATVs, and other applications. This intelligent lead monitors the charge level of your stored lithium battery and confirms if the vehicle charging system is working correctly, providing 24/7 battery status at a glance.

Key Features:

• Two automatic modes: Battery charge level monitor (single LED blink mode) and charging system test (arrow mode)
• Three LEDs display 'full to empty' voltage range for lithium batteries, plus a 4th LED that warns when overcharging occurs
• Battery charge level LED blinks every 10 seconds with long-term draw less than 0.2mA
• LED arrow mode activates when charge voltage reaches 14.2V-14.5V, with overcharge warning at 14.6V+
• 24-inch (60cm) cable length with 15A fuse and M6/1/4-inch ring terminals
• SAE quick-connect charge port with weatherproof sealing cap
• Dual ring technology with M6/1/4-inch to M8/5/16-inch ringlets that fit powersport and automotive battery terminals
• -40°F rated cable and electronics protected by integrated 15A fuse
• 3-year limited warranty

The O-127 monitor provides critical overcharge protection for lithium batteries, which can be damaged by excessive charging voltage. The weatherproof design ensures reliable performance in all conditions, while the SAE connector allows easy connection to OptiMate chargers or other SAE-compatible charging systems. Perfect for maintaining lithium batteries during storage or monitoring your vehicle's charging system performance.