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True Blue Power® is a division of Mid-Continent Instrument Co., Inc. True Blue Power products can be purchased through Mid-Continent’s online shopping tool at www.mcico.com.

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Cut aircraft battery weight
and increase your useful load

  • Save up to 60 pounds per battery
  • Increase your useful load
    • More passengers
    • More cargo
    • More fuel
    • More design flexibility
  • Gain the most power per pound


Protect your engine
and extend component life

  • Get cooler, faster engine starts
    • 7 starts in 7 minutes
  • Improve starter generator efficiency
  • Outperform all others in extreme temps,
    from -40℃ to +70℃, with a built-in automatic heater
  • Fully recharge your battery within 30 minutes


Get real-time state-of-charge
and state-of-health information on demand

  • Receive constant monitoring, protection, and capacity data with our proprietary Battery Management System (BMS)
  • Save time and money with the longest lasting batteries on the market
    • 8-year average useful life — that’s 4x longer than lead acid and NiCad batteries
  • Eliminate battery maintenance
    • Gen5 batteries require no capacity checks

The NanoPhosphate® Lithium-ion Advantage


Superior power by weight or volume in a cost effective solution


NanoPhosphate® is stable chemically, providing the foundation for safe systems


Excellent calendar and cycle life with consistent performance over extended use


Higher useable energy means greater battery utilization and lower cost

Product Comparison

True Blue Power TB40
Concorde RG-380E/60L

Battery Technology: Lithium-ion

Battery Technology: Lead acid

Voltage Output: 26 VDC

Voltage Output: 24 VDC

Capacity (1C rate): 40 amp-hour

Capacity (1C rate): 48 amp-hour

Weight: 36 lbs.

Weight: 96 lbs.

Maintenance: On-condition

Maintenance: 1 year (annual) 3 – 6 months (subsequent)

Useful Life: 8 years (average)

Useful Life: 2 – 4 years

  Battery Technology Voltage Output Capacity (1C rate) Weight Maintenance Useful Life
True Blue Power
TB40 Gen5
Lithium-ion 26 VDC 40 amp-hour 36 lbs. On-condition 8 years (average)
Concorde RG-380E/60L Lead acid 24 VDC 48 amp-hour 96 lbs. 1 year (annual) 3 – 6 months (subsequent) 2 – 4 years