Winter Savings + FREE 2-day shipping!

The TT43 Aircraft Battery Tester / Charger performs automatic capacity testing and recharges batteries in five hours or less. It is designed to test and charge Mid-Continent Instruments and Avionics 4300 Series Lifesaver® Gyro and TS420 Series Emergency Power Supply’s removable batteries.

  • Tests and charges all Mid-Continent lead-acid battery packs: 4300 Series (0.5Ah battery), TS420 (0.5Ah battery), TS420-1 (2.5Ah battery)
  • Alphanumeric dot matrix LCD display provides dynamic test status and measurements
  • Test/Charge one or two batteries simultaneously in less than 5 hours
  • Microprocessor control adjusts test to accurately compensate for acceptable battery variation
  • Bright LEDs provide quick reference pass/fail results
  • Can float charge batteries indefinitely to maintain an always-ready state
  • Designed and built in Wichita, Kansas, USA
  • Two-year limited warranty

  • National Stock Number (NSN): 6130-01-641-8265
  • Power Supply: Wall-outlet AC Adapter included
  • Battery Type: Switch allows for selection of 0.5Ah or 2.5Ah battery
  • Battery Detection: Load sensing recognizes batteries when connected to the tester
  • Protection: Short-circuit protection and time out for failed batteries

Recently viewed products

California Residents:

Prop 65 Warning: This product may contain chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm.