King Air 350 Lithium-ion Battery STC Kit

STC Partner: Blackhawk Aerospace

Technical Description

TB44 Lithium-ion Aircraft Battery, STC Documentation, Annunciator, Wire Harness, Mounting Hardware, Installation Kit

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TB44 Lithium-ion Battery Description

Reduce your aircraft battery weight by 40% with the TB44 Advanced Lithium-ion Aircraft Battery. Less weight means more passengers, more cargo, more fuel and more design flexibility. The True Blue Power lithium-ion battery is TSO certified, offers 2-year maintenance intervals, and lasts 8 years — 4x longer than lead-acid and NiCad batteries. A built-in heater ensures superior cold weather performance, down to -40°C.

Start Lighter

Cut aircraft battery weight and increase your useful load

Save up to 37 pounds per battery
Increase your useful load
- More passengers
- More cargo
- More fuel
- More design flexibility
Gain the most power per pound

Start Faster

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°C to +70°C, with a built-in automatic heater
Fully recharge your battery within 30 minutes

Start Smarter

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
2-year maintenance interval
- Save up to 90% on maintenance costs

Benefits

46 amp-hour battery nominal at 23°C/73.4°F
Weighs 51.7 lbs. — 40% lighter than lead-acid or nickel-cadmium alternatives
Advanced Nanophosphate^® lithium-ion cell chemistry — 3x the energy per kilogram when compared to lead-acid and nickel-cadmium cells
7 engine starts in 7 minutes
15 minutes for complete recharge when the battery is fully discharged on a typical aircraft
Superior performance at extreme temperatures (-40°C/-40°F to +70°C/+158°F)
Automatic internal heater
Overcharge, over-discharge, over-current, short circuit, over-temperature and under-temperature protection
Communicates ARINC 429 data to the cockpit
Higher voltage during engine start — Less wear, less maintenance and increased useful life
2-year maintenance interval —50 – 90% savings on maintenance costs
Designed and built in Wichita, Kansas, USA
FAA TSO Certified
Two-year limited warranty

Specifications

Capacity
46 amp-hour nominal at 23°C/73.4°F

Charge Voltage
28 VDC nominal

Output Voltage
26.4 VDC nominal

Output Current
750 A continuous, 1500 A max

Technology
Advanced NanoPhosphate^® lithium-ion cell chemistry

Protection
Overcharge, over-discharge, over-current, short circuit, over-temperature, under-temperature

Energy Density
52.0 Wh/kg
64.6 Wh/liter

Operating Temperature
-40°C to +70°C (-40°F to +158°F)

Weight
51.7 lbs. (23.4 kg)

Dimensions
10.9” L x 11.7” W x 10.1” H

Configuration
8S19P; 8 series cells x 19 parallel modules

Maintenance
2-year maintenance interval; offers 50 – 90% savings on maintenance costs

Battery Life Expectancy
8 years (average)

Case
Powder-coated steel, blue

Certification
FAA TSO certified to C179a
ETSO certified to C179a
RTCA DO-311 qualified
RTCA DO-160G qualified
UNDOT/IATA qualified

Product Comparison

	Battery Technology	Voltage Output	Capacity (1C rate)	Weight	Maintenance	Useful Life
True Blue Power TB44	Lithium-ion	26.4 VDC	46 amp-hour	51.7 lbs.	2 years	8 years (average)
Concorde RG-380E/44L	Lead-acid	24 VDC	42 amp-hour	89.0 lbs.	1 year (annual) 3 – 6 months (subsequent)	2 – 4 years
Saft 4078-19	Nickel-cadmium	24 VDC	43 amp-hour	84.0 lbs.	200 – 400 hours	5 – 10 years

Weight	.1 lbs
Dimensions	10 × 8 × 6 in
Brand	Mid-Continent Instruments and Avionics

Weight

.1 lbs

Dimensions

10 × 8 × 6 in

Brand

Mid-Continent Instruments and Avionics