The Teledyne Gill Batteries 60260 TCT-1000 Battery Capacity Analyzer has been designed to automatically test the capacity of 12—and 24-volt lead-acid batteries. This unit accurately measures the capacity of a fully charged battery with a rating between 10 and 59 amp-hours. It is self-contained and easy to operate.
The load tester will display, in percentage, the conformance to the battery’s one-hour rating.
| General Information | |
|---|---|
| Part # | 60260 |
| Manufacturer | Teledyne Gill |
| Shipping Information | |
|---|---|
| Product Weight | 11 lbs. |
| Product Dimensions | 14 x 10 x 8 in. |
| Schedule B | 9030330080 |
| ECCN | EAR99 |
| Specifications | |
|---|---|
| 10.0 Volt Cutoff | 10.10 – 9.90 Volts |
| 12 Volt 10 Amp Setting | 9.8 – 10.2 mV |
| 12 Volt 50 Amp Setting | 49.6 – 50.4 mV |
| 20.0 Volt Cutoff | 20.20 19.80 Volts |
| 24 Volt 10 Amp Setting | 9.8 – 10.2 mV |
| 24 Volt 50 Amp Setting | 49.6 – 50.4 mV |
| Frequency (Period for 10 Unit Increase) | 357 sec. – 363 sec. |
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AIRCRAFT COMPATIBILITY
| Compatible Aircraft* |
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QUESTIONS & ANSWERS
The TCT-1000 automatically ends the test when the battery reaches its designated cutoff voltage – 10V for 12V batteries and 20V for 24V batteries. At that point, the unit stops the discharge cycle and displays the battery’s capacity as a percentage of its one-hour rating. This automated process ensures consistent, repeatable results without requiring manual intervention.
Voltage alone does not accurately reflect a battery’s true health or ability to deliver sustained power. The TCT-1000 performs a controlled load test that measures actual capacity under discharge conditions, which is critical for determining airworthiness. This helps maintenance teams identify weak or marginal batteries before they cause starting or electrical system issues. It’s a more reliable method for preventative maintenance and compliance.
No. The TCT-1000 is self-powered by the battery being tested, eliminating the need for an external power supply during operation. This design makes it highly portable and convenient for use in hangars, battery shops, or field environments. It also simplifies setup and reduces the number of components technicians need to manage during testing.
When operating the TCT-1000, it’s important to test batteries in a well-ventilated area free from combustible gases. Technicians should always wear safety glasses and ensure that cable connections are secure before starting the test. These precautions help minimize risks associated with battery handling and discharge testing.
Yes, the TCT-1000 is compatible with both VRLA (sealed) and flooded lead-acid aircraft batteries within the 10 to 59 amp-hour range. It supports standardized testing across a wide variety of Gill battery models, making it a versatile solution for mixed battery inventories. This flexibility helps reduce the need for multiple testing devices.
The analyzer allows technicians to input the battery’s one-hour rating and perform consistent, repeatable tests aligned with manufacturer specifications. The percentage-based output simplifies documentation and record-keeping for maintenance logs and compliance requirements. This standardization improves accuracy and helps ensure batteries meet required performance thresholds before return to service.
The TCT-1000 applies a controlled load and monitors the battery's performance over time, revealing issues that may not be visible during basic inspections. It can identify reduced capacity, internal degradation, or inconsistent performance under load. This makes it a valuable diagnostic tool for isolating battery-related electrical problems in aircraft systems.
Yes, the unit should be calibrated annually to maintain accuracy and ensure reliable test results. The operating instructions outline specific calibration procedures and acceptable measurement ranges for voltage, load, and timing. Routine calibration helps maintain confidence in test data and ensures compliance with maintenance standards.
