E6B Flight Computer | Paper Construction AG-ITEM 41 The TS835 Charging Adapter is

The TS835 Charging Adapter is designed to allow the TT28-12 Charger Pro to be used with True BluePower TS835 Series Emergency Power Supply batteries

and improved shock and vibration resistance (LEDs do not contain a filament)

then hours

71144 assembly features a positive off position and rheostat controlled light intensity

By removing the stock light boards

E6B Flight Computer | Paper Construction AG-ITEM 41 The TS835 Charging Adapter isThe E6B P flight computer is constructed of durable paper and has all the same features as its aluminum version such as a wind component grid and comprehensive crosswind correction chart. On the other side, the slide computes time, speed, distance, altitude, true airspeed, density altitude problems, and conversions. Also, included are nautical and statute scales, a vinyl case and an instruction booklet.