True Blue Power Battery Lithium-Ion TB17

The True Blue Power TB17 is an advanced lithium-ion aircraft battery with a nominal capacity of 17 Ah at 23°C. Manufacturer part number: 6430017-1.

Built around Nanophosphate® lithium-ion cell technology, the TB17 is designed to provide high energy density, rapid engine-start capability and intelligent battery-status communication to the cockpit. Its integrated protection system includes overcharge, over-discharge, over-current, short-circuit, over-temperature, under-temperature and charge-current-limiting protection.

• Nominal capacity: 17 Ah at 23°C
• Nominal charge voltage: 28 VDC
• Nominal output voltage: 26.4 VDC
• Output current: 500 A continuous; 840 A maximum
• Operating temperature: -40°C to +70°C
• Approximate weight: 7.3 kg
• Approximate dimensions: 183 x 188 x 152 mm (L x W x H)
• Anodised aluminium enclosure
• Stated qualifications: FAA TSO-C179a, ETSO-C179a, RTCA DO-311 and RTCA DO-160G

Relevant product documentation includes a technical drawing and safety data sheet.