Hawker F20/4H1C-R Operating And Maintenance Manual page 16

3.4 Release to aircraft Task 3.3:
For any additional specific release requirement refer to Task 3.3 below
Task 3.3 – Specific release requirements
OPERATING INSTRUCTION AND TECHNICAL REQUIREMENTS (TR)
1. Install the battery into the aircraft as described in the flight
manual.
NOTE
This manual does not provide aircraft-specific working instructions.
2. Carry out the pre-flight testing on ground as defined in the flight
manual, if required.
3. Recharge the battery in the battery workshop, if more than
20% is discharged during the pre-flight tests as described in
the flight manual.
The document reference is online, please check the correspondence between the online documentation and the printed version.
INSTRUCTIONS / EVIDENCE WHEN DEVIATIONS FROM TR
If the battery fails, reject it from service and send it to workshop
for maintenance.
If charging is not described in the flight manual, remove the lid and
refresh charge battery for 7h at 1.425V per cell, with closed cell
vents.
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