Found 5 alternatives for 787421-1 by TE Connectivity AMP Connectors. Blade Type Power Connectors — Bulk,Tray.
BATTERY FS3 SOCKET 6POS SS
CONN RCPT 5POS 2.50MM PCB SLDR
HEADER
CONN RCPT 5POS 5.00MM PCB SLDR
RECEPTACLE ASSEMBLY