en
18
Handling the battery.
Store, operate and charge the battery (High-
Power) only using FEIN battery chargers
(ALG 30, ALG 50, ALG 80 (**)) within the
operating-temperature range between 5 °C –
45 °C (41 °F – 113 °F). At the beginning of
the charging procedure, the battery tempera-
ture must be within the battery operating-
temperature range.
Battery charge-control indicator
(figure 4).
Press the button to activate the LED indica-
tion.
LED indicator Meaning
1 – 4 green
Percentage
LED
of charge
condition
Continuous
Battery is
red light
almost
empty
Red flashing
Battery is
light
not ready
for opera-
tion
The real percentage of the battery charge
condition is only indicated when the power
tool motor is stopped.
The electronics automatically switch off the
motor prior to the battery being deep dis-
charged.
Activity
Operation
Charge battery
Bring the bat-
tery into the
battery oper-
ating-temper-
ature range,
then charge
Fig. 4
100 %
≤
75 %
≤
≤
50 %
25 %
≤
=
0 %