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Do not charge non-rechargeable batteries. Otherwise
there is danger of fire and explosion.
Keep the battery charger clean. Contamination can lead
to danger of an electric shock.
Before each use, check the battery charger, cable and
plug. If damage is detected, do not use the battery
charger. Never open the battery charger yourself, and
have repairs carried out only by FEIN or an authorized
FEIN service agent. Damaged battery chargers, cables and
plugs increase the risk of an electric shock.
Remove the battery from the charger and pull the mains
plug when not using for extended periods. Saving energy
helps to save the environment.
When cleaning the battery charger, pull the mains plug
out of the socket. There is danger of electric shock.
Do not rivet or screw any name-plates or signs onto the
battery charger. If the insulation is damaged, protection
against an electric shock will be ineffective. Adhesive
labels are recommended.
Charge only intact original FEIN batteries that are
intended for your power tool. When charging incorrect,
damaged, repaired or reconditioned batteries, imitations
or other brands, there is danger of fire and/or explosion.
Operating instructions.
Connect the battery charger to the socket outlet without
a battery inserted. The yellow LED indicator lights up and
signals operational readiness.
Insert the battery.
The monitoring of the charge procedure is signalled by a
flashing green light.
The end of the charge procedure is indicated by continu-
ous green lighting.
The rapid charging starts automatically as soon as the bat-
tery temperature is within the charge-temperature range
of 0 °C to 45 °C.
In case of an extremely deep discharged battery, the
charging procedure may not start until after a delay of
several minutes after sliding on the battery.
When lithium-ion batteries are fully charged, the battery
charger switches off automatically.
For NiCd/NiMH batteries, trickle charging is activated.
The green indicator lights up.
Repeated inserting of a charged battery leads to over-
charging and affects the service life of the battery.
New NiCd/NiMH batteries that have not been formatted
yet, or deep discharged NiCd/NiMH batteries that need
to be re-formatted will not achieve their full capacity until
after 3 – 5 charging and discharging cycles.
If the battery becomes discharged within a short time
despite being charged correctly, it has reached the end of
its service life.
ALG40: The attachment (9 26 04 103 01 0) is a spare
part. Fasten the attachment only with the original screws
provided.