The Bell 206L-1, L-3, L-4 True Blue Advanced Lithium-Ion Battery is lightweight and designed to replace your existing nickel cadmium main battery.

TB-17 Advanced Lithium-Ion Battery Specifications:

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

Superior performance at extreme temperatures (-40°C/-40°F to 70°C/158°F)

Total Kit Weight: 19.8 lbs (19.7 lbs. lighter than OEM battery)

Size: 7.22" x 7.37" x 6.01"

MD41-1817 Annunciation Control Unit (ACU)

Face Dimensions: 2.25" x .80"

Function: Displays battery information and faults

Automatic dimming on ACU

Installation Location

Primary: Center Pedestal

Alternate: With Pilot Line of Sight (instrument panel)

Make: Bell

Model: 206L-1, 206L-3, 206L-4