ISO 9001:2015 and AS9100D Certified
Serving the Aviation Industry since 1973
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P/N 282-101

TT28-2 TRUE BLUE CHARGER Mx
  • Charges & maintains sealed lead-acid & all True Blue Power lithium-ion aircraft batteries: TB17 (17 amp-hour), TB20 (20 amp-hour), TB30 (30 amp-hour), TB40 (40 amp-hour), TB44 (46 amp-hour) & TB60 (60 amp-hour)
  • Display: Alphanumeric LCD display provides battery voltage & indications
  • LED Indication: Charge, Ready, Fault
  • Battery Conditioning: Continuously monitors & charges to maintain a quick-ready state
  • Warranty: One-year limited
  • Battery Charge Voltage: Lithium-ion 28.8V (maximum) Lead-acid 28.6V (maximum)
  • Battery Connector: MS-3509 compatible
  • Protection & Monitoring: Overcharge & over-temperature protection
  • Internal timer automatically monitors open-circuit voltage to determine top charge


  • Input Voltage: 90 to 264 VAC, ±10%; 47 to 63 Hz; 1A (max.)
  • Power Output: 2.5 amps charge current limit
  • Input Connector: IEC60320-C13
  • Output Voltage: 28 VDC ±0.4 VDC
  • Operating Temp.: -20C to +50C (-4F to +122F)
  • Storage Temp.: -28C to +70C (-18F to +158F)
  • Weight: 2 lb
  • Dimensions: 4.33 W x 5.9 H x 3.8 D in
  • Timing Accuracy: ±5% of nominal time
  • Display Accuracy: ±0.2 volts