RX1-10-07767

The True Blue Power Gen5 TB50 is an advanced lithium-ion aircraft battery for engine-start and aircraft electrical-power applications. Manufacturer part number 6430050-1.

Designed as a 50 Ah battery, the Gen5 TB50 combines lithium iron phosphate cell technology with an integrated battery management system for continuous monitoring, protection and real-time state-of-charge/status information. The battery is intended for on-condition maintenance and incorporates an internal heater for operation across a stated temperature range of -40°C to +70°C. ([assets.mcico.com](https://assets.mcico.com/assets/products/SupportManuals/Battery_Support_Manual.pdf?utm_source=openai))

• Nominal capacity: 50 Ah at 23°C
• Output voltage: 26.4 VDC
• Charge voltage: 28 VDC
• Weight: 19.9 kg
• Approximate dimensions: 254 × 244 × 257 mm (L × W × H)
• Anodised aluminium case
• Built-in status indicator and communication/service connector
• FAA TSO-C179b, Class A-4B; also listed to RTCA DO-311A, DO-160G and DO-178C DAL A

The TB50 has a physical size corresponding to the industry-standard 44 Ah battery format. Aircraft eligibility, installation configuration and airworthiness approval must be verified against applicable approved installation data before fitment. ([assets.mcico.com](https://assets.mcico.com/assets/products/ProductFliers/Flier_TB20-30-40-50-60_English.pdf?utm_source=openai))

Relevant manufacturer documentation: Gen5 TBX product flyer and Gen5 TBX battery support manual.