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Bell 206L1, 206L3, 206L4

Bell 206L1, 206L3, 206L4 Lithium-ion Battery STC Kit

STC Partner
Aeronautical Accessories
Technical Description
TB17 Lithium-ion Aircraft Battery, Annunciator
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TB17 Lithium-ion Battery Description

Cut your aircraft battery weight by up to 45% with the True Blue Power TB17 Advanced Lithium-ion Aircraft Battery. You’ll protect your engine with cooler, faster starts. An automatic, built-in heater ensures your aircraft outperforms all others in extreme cold temperatures, from -40°C to +70°C. The TB17 is TSO certified and has a 2-year maintenance interval, saving you time and money.

Start Lighter

Cut aircraft battery weight and increase your useful load

  • Save up to 27 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
TB17 Lithium-ion Battery Specifications
Benefits
  • 17 amp-hour battery nominal at 23°C/73.4°F
  • Weighs 16 lbs. — 45% 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
  • 30 minutes (at 34 amps) for complete recharge when the battery is fully discharged
  • Superior performance at extreme temperatures (-40°C/-40°F to +70°C/+158°F)
  • Overcharge, over-discharge, over-current, short circuit, over-temperature, under-temperature and charge current limiting protection
  • Communicates battery status 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
  • FAA TSO Certified
  • Two-year limited warranty
Specifications

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

Charge Voltage
28 VDC nominal

Output Voltage
26.4 VDC nominal

Output Current
500 A continuous, 840 A max

Technology
Advanced NanoPhosphate® lithium-ion cell chemistry

Protection
Overcharge, over-discharge, over-current, short circuit, over-temperature, under-temperature and charge current limiting

Energy Density
64.4 Wh/kg
87.1 Wh/liter

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

Weight
16.0 lbs. (7.2 kg)

Dimensions
7.2” L x 7.4” W x 6.1” H

Configuration
7P8S; 7 parallel cells x 8 series modules

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

Battery Life Expectancy
8 years (average)

Case
Anodized aluminum, blue

Certification
FAA TSO-C179b (Class A-4B)
RTCA DO-311A
RTCA DO-160G
UNDOT/IATA

Product Comparison
Battery Technology Voltage Output Capacity (1C rate) Weight Maintenance Useful Life
True Blue Power TB17 Lithium-ion 26.4 VDC 17 amp-hour 16.0 lbs. 2 years 8 years (average)
Concorde RG-222 Lead-acid 24 VDC 17 amp-hour 43.0 lbs. 1 year (annual)
3 – 6 months (subsequent)		 2 – 4 years
Saft 176CH Nickel-cadmium 24 VDC 17 amp-hour 40.3 lbs. 200 – 400 hours 5 – 7 years
Marathon 30450-001 Nickel-cadmium 25 VDC 17 amp-hour 38.5 lbs. 200 – 400 hours 5 – 7 years
Product Comparison
True Blue Power TB17 Concorde RG-222 Saft 176CH Marathon 30450-001
Battery Technology:
Lithium-ion		 Battery Technology:
Lead-acid		 Battery Technology:
Nickel-cadmium		 Battery Technology:
Nickel-cadmium
Voltage Output:
26.4 VDC		 Voltage Output:
24 VDC		 Voltage Output:
24 VDC		 Voltage Output:
25 VDC
Capacity (1C rate):
17 amp-hour		 Capacity (1C rate):
17 amp-hour		 Capacity (1C rate):
17 amp-hour		 Capacity (1C rate):
17 amp-hour
Weight:
16 lbs.		 Weight:
43 lbs.		 Weight:
40.3 lbs.		 Weight:
38.5 lbs.
Maintenance:
2 years		 Maintenance:
1 year (annual)
3 – 6 months (subsequent)		 Maintenance:
200 – 400 hours		 Maintenance:
200 – 400 hours
Useful Life:
8 years (average)		 Useful Life:
2 – 4 years		 Useful Life:
5 – 7 years		 Useful Life:
5 – 7 years
Product Comparison
True Blue Power TB17
Battery Technology:
Lithium-ion
Voltage Output:
26.4 VDC
Capacity (1C rate):
17 amp-hour
Weight:
16 lbs.
Maintenance:
2 years
Useful Life:
8 years (average)
Concorde RG-222
Battery Technology:
Lead-acid
Voltage Output:
24 VDC
Capacity (1C rate):
17 amp-hour
Weight:
43 lbs.
Maintenance:
1 year (annual)
3 – 6 months (subsequent)
Useful Life:
2 – 4 years
Saft 176CH
Battery Technology:
Nickel-cadmium
Voltage Output:
24 VDC
Capacity (1C rate):
17 amp-hour
Weight:
40.3 lbs.
Maintenance:
200 – 400 hours
Useful Life:
5 – 7 years
Marathon 30450-001
Battery Technology:
Nickel-cadmium
Voltage Output:
25 VDC
Capacity (1C rate):
17 amp-hour
Weight:
38.5 lbs.
Maintenance:
200 – 400 hours
Useful Life:
5 – 7 years

The NanoPhosphate® Lithium-ion Advantage

Lithium-ion Battery Power

Power

Superior power by weight or volume in a cost effective solution

Lithium-ion Battery Safety

Safety

NanoPhosphate® is stable chemically, providing the foundation for safe systems

Lithium-ion Battery Life

Life

Excellent calendar and cycle life with consistent performance over extended use

Lithium-ion Battery Energy

Energy

Higher useable energy means greater battery utilization and lower cost