Aviation-knowledge - BPCU ( Bus Power Control Unit ) The heart and soul for Electrical power system in Boeing 737 BPCU act like the mystro in the orchestra , The B737NG's electrical
![boeing 737 - Can a completely drained battery be recharged via ground power on an airliner like the B737? - Aviation Stack Exchange boeing 737 - Can a completely drained battery be recharged via ground power on an airliner like the B737? - Aviation Stack Exchange](https://i.stack.imgur.com/MLG4P.png)
boeing 737 - Can a completely drained battery be recharged via ground power on an airliner like the B737? - Aviation Stack Exchange
![Hydraulic System A, B, and Standby Operational Test in the Boeing 737-500 Aircraft Flight Simulator | SpringerLink Hydraulic System A, B, and Standby Operational Test in the Boeing 737-500 Aircraft Flight Simulator | SpringerLink](https://media.springernature.com/lw685/springer-static/image/chp%3A10.1007%2F978-3-031-30592-4_31/MediaObjects/542265_1_En_31_Fig3_HTML.png)
Hydraulic System A, B, and Standby Operational Test in the Boeing 737-500 Aircraft Flight Simulator | SpringerLink
![Boeing 737-800 Diagrams: Hydraulic | Electrical | Air conditioning | Fuel | Pneumatic | Brake – JohanAero Boeing 737-800 Diagrams: Hydraulic | Electrical | Air conditioning | Fuel | Pneumatic | Brake – JohanAero](https://i1.wp.com/www.johanpercherin.info/wp-content/uploads/2020/04/B737-800-Air-conditionning-system-scaled.jpg?ssl=1)