TB44
Advanced Lithium-ion Battery
The TB44 Advanced Lithium-ion Battery is engineered to deliver 40% weight savings and an overall lower cost of ownership, with 50–90% less scheduled maintenance cost, 2-year maintenance intervals, efficient engine starts and 2-3x longer useful battery life. The TB44 is ideal for the turbine market, including fixed-wing, rotorcraft, and emergency power applications. View all Lithium-ion Batteries Buy Now
Features
- 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 to +70°C)
- 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
- 8 years (average) useful life
- Designed and built in Wichita, Kansas, USA
- Two-year limited warranty
- FAA TSO certified
Specifications
Model Numbers
TB44
Part Numbers
6430044-2
Capacity
46 amp-hour battery nominal at 23°C/73.4°F
Charge Voltage
28 VDC nominal
Output Voltage
26.4 VDC nominal
Output Current
750A continuous, 1500A max
Technology
Advanced NanoPhosphate® lithium-ion cell chemistry
Protection
Overcharge, over-discharge, over-current, short circuit, over-temperature and under-temperature
Energy Density
52.0 Wh/kg
64.6 Wh/liter
64.6 Wh/liter
Operating Temperature
-40°C to +70°C (-40°F to +158°F)
Weight
51.7 lbs. (23.5 kg)
Dimensions
10.87” L x 10.48” W x 10.14” H
Configuration
8S19P; 1 parallel x 8 in series x 19
Maintenance
2-year maintenance interval; offers 50 – 90% savings on maintenance costs
Useful Life
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
ETSO certified to C179a
RTCA DO-311 qualified
RTCA DO-160G qualified
UNDOT/IATA qualified
Downloads
Fliers and Brochures
TB44 Product Flier
FAQ Brochure
Battery Comparison Chart
Installation Manual
IM 9018041
Technical Drawing
OL 6430044
Service Bulletins
SB TB44-01
SB TB44-02
Safety Data Sheet
SDS470
STCs
Avmax DHC-8
Cessna Caravan
Other Downloads
Advanced Lithium-ion Battery Support Guide*
*In order to view embedded attachments, please download this PDF and open it using Adobe Acrobat Reader or another PDF reader.
Maintenance Software
PuTTY software is required for scheduled maintenance actions.
Download PuTTYThe NanoPhosphate® Lithium-ion Advantage
Power
Superior power by weight or volume in a cost effective solution
Safety
NanoPhoshate® is stable chemically, providing the foundation for safe systems
Life
Excellent calendar and cycle life with consistent performance over extended use
Energy
Higher useable energy means greater battery utilization and lower cost