5.3 Battery maintenance............................................................................................................134
5.3.1 Battery checks .......................................................................................................................134
5.3.2 Visual check ...........................................................................................................................135
5.3.3 Charging.................................................................................................................................135
5.3.3.1 Before charging.....................................................................................................................135
5.3.3.2 Charging.................................................................................................................................135
5.3.3.3 Discharging............................................................................................................................136
5.3.4 Battery replacement.............................................................................................................136
5.3.5 Battery storage......................................................................................................................137
6. Support ........................................................................................................ 138
7. List of abbreviations ................................................................................... 139