STwrench User Guide System overview
9836 4134 01 Edition 2.9 51 (326)
To replace the battery, turn off the wrench, loosen the nut ring, remove the battery and replace it).
NOTE: Refer to the chapter Battery Pack Maintenance for important notes about how to keep
the battery in good working order.
2.4.7.1 Battery charger
Use the battery charger supplied to recharge the battery. Simply connect the input AC power cable to the
battery charger and plug in the battery.
There is no power on switch on the battery charger. Install the battery charger in position which makes
easy to disconnect the input AC power cable from the AC power line or from the battery charger.
The three LEDs on the battery charger provide the battery charge status:
Status
POWER ON CHARGING COMPLETE
Power on
Charging in
progress
Charging
complete
Over
temperature
Blinking
Error