9–2. LOCATION AND DESCRIPTION OF MAJOR COMPONENTS (cont)

TM 1-1520-238-T-6 9–12 9–2. LOCATION AND DESCRIPTION OF MAJOR COMPONENTS (cont) 9–2 M69-068-2 ELECTRICAL POWER DISTRIBUTION BOX (INTERNAL) DC BUS TIE CONTRACTOR Figure 9–2. DC Electrical Power Generation System Major Components Location (Sheet 2 of 2) e. Battery System. The battery system (fig. 9–3) consists of a battery, a battery relay, and a battery charger. (1) Battery. The battery, an emergency dc component, is made of nickel cadmium (Ni–Cad) and contains two connector receptacles for aircraft power and control connections. The battery is located inside the lower shelf of the aft avionics bay. (2) Battery Relay. The battery relay, located on the forward wall of the aft avionics bay, has two large and two small terminal studs for power and control connections. (3) Battery Charger. The battery charger, located on the lower shelf inside aft avionics bay, controls battery charging, battery to emergency bus connection, and HOT BAT and CHARGER caution indicators on the pilot caution/warning panel. It contains one connector receptacle for aircraft power and control.