Hi toby320,
An ancient scroll copy of FCOM says
"For GA -Proc refer to the ESS BUSES ON BAT procedure."
ELEC ESS BUSES ON BAT says:
If landing gear fails to retract during GA, when in Emergency Configuration, the emergency generator can be recovered as follows:
MIN RAT SPD = 180 kts
accelerate to 180 kts to recover RAT operation with the gear down.
LGCIU 1 CB (C09)... Pull
Pull LGCIU 1 cb to simulate the landing gear up condition, in order to allow emergency generator operation.
EMER ELEC PWR .. MAN ON
Allows coupling of the emergency generator.
Sounds like a pig's breakfast.