Husqvarna LB 548 i Workshop Manual page 16

3. Put the battery in the battery charger. The green
light on the charger comes on when the battery is
correctly connected to the battery charger.
4. When all LEDs on the battery have come on the
battery is fully charged. Charge the battery for
maximum 24 hours.
5. To disconnect the battery charger from the mains
socket, pull the plug, not the power cord.
6. Remove the battery from the battery charger.
6.3.3 Battery charging status
A Husqvarna Li-ion battery can be charged or used at all
charging levels. The battery is not damaged. A fully
charged battery will not decrease its charge when the
battery is left in the charger.
LED display
LED 1 flashes
LED 1 is lit, LED 2 flashes 25%-50%
LED 1, LED 2 are lit, LED
3 flashes
LED 1, LED 2, LED 3 are
lit, LED 4 flashes
LED 1, LED 2, LED 3, LED
4 are lit
16 - Function overview
Charging status
0%-25%
50%-75%
75%-100%
Fully charged
1410 - 001 -