True Blue Power Battery Lithium-Ion Gen5 TB20 6430020-1

The True Blue Power Gen5 TB20 is a lithium-ion aircraft battery from Mid-Continent Instruments and Avionics, supplied under manufacturer part number 6430020-1. It provides a nominal output of 26.4 VDC and 20 Ah capacity at 23°C.

The Gen5 TB20 incorporates a Battery Management System for continuous battery monitoring and protection. A built-in test indicator provides state-of-charge and state-of-health information, while an automatic internal heater supports operation in low-temperature conditions.

• Nominal output voltage: 26.4 VDC
• Nominal charge voltage: 28 VDC
• Nominal capacity: 20 Ah at 23°C
• Output current: 525 A continuous, 1,000 A maximum
• Operating temperature range: -40°C to +70°C
• Weight: approximately 8.9 kg
• Approximate dimensions: 231 x 218 x 224 mm (L x W x H)
• Anodised aluminium case
• Protection against overcharge, over-discharge, over-current, short circuit, over-temperature, under-temperature and charge-current conditions
• On-condition maintenance

The manufacturer lists FAA TSO-C179b Class A-4B, RTCA DO-311A, RTCA DO-160G and RTCA DO-178C DAL A for this battery. Confirm the required installation approval, configuration and current maintenance data for the specific aircraft before installation or return to service.

Manufacturer documentation: product information and technical resources and Gen5 TBX Series support manual.