Out of 5 Ratings

Owner's of the Ryobi Drill HP412 gave it a score of 3.7 out of 5. Here's how the scores stacked up:
  • Reliability

    3.6 out of 5
  • Durability

    3.6 out of 5
  • Maintenance

    3.8 out of 5
  • Performance

    3.4 out of 5
  • Ease of Use

    4.0 out of 5
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10 11
Do not allow familiarity with tools to make you care-
less. Remember that a careless fraction of a second is
sufficient to inflict serious injury.
Always wear safety goggles or safety glasses with side
shields when operating tools. Failure to do so could re-
sult in objects being thrown into your eyes, resulting in
possible serious injury.
Do not use any attachments or accessories not recom-
mended by the manufacturer of this tool. The use of at-
tachments or accessories not recommended can result
in serious personal injury.
You may use this tool for the following purposes:
n Drilling in wood
n Drilling in ceramics, plastics, fiberglass, and laminates
n Drilling in both hard and soft metals
n Using driving accessories, such as driving screws with
screwdriver bits
n Mixing paints
To prevent damage to the battery pack, remove the bat-
tery pack from the charger immediately if no LED comes
on. Return the battery pack and charger to your nearest
service center for checking or replacing. Also, if you are
removing the battery pack from the charger and no LEDs
are on, return both the battery pack and the charger to
your nearest service center. Do not insert another bat-
tery pack into the charger. A damaged charger may
damage a battery pack.
The battery pack for this tool has been shipped in a low
charge condition to prevent possible problems. Therefore,
you should charge overnight prior to use.
NOTE: Batteries will not reach full charge the first time they
are charged. Allow several cycles (operation followed by
recharging) for them to become fully charged.
n Charge battery pack only with the charging assembly
n Make sure power supply is normal household voltage,
120 volts, 60 Hz, AC only.
n Connect charger to power supply.
n Place battery pack in charging stand. Align raised rib
on battery pack with groove in charging stand. See
Figure 2.
n Press down on battery pack to be sure contacts on battery
pack engage properly with contacts in charging stand.
n The charge indicator light (LED), located on the charg-
ing stand, will light up red and glow when the charger
is properly connected to power supply. This light
indicates the charger is operating properly. It will remain
on until battery pack is removed from charging stand or
charger is disconnected from power supply.
n After normal usage, 3 hours or less of charging time is
required to fully recharge battery pack.
n If both red and orange LED indicators glow, the bat-
tery pack is deeply or completely discharged, and
6 hours or longer of charging time is required to fully
recharge battery pack.
NOTE: If charger does not charge battery pack or orange
LED continues to glow after more than 30 minutes of
charging, return battery pack and charging assembly to
your nearest Ryobi Authorized Service Center for electri-
cal check.
n The battery pack will become slightly warm to the touch
while charging. This is normal and does not indicate a
n Do not place charger in an area of extreme heat or cold.
It will work best at normal room temperature.
n When batteries become fully charged, unplug charger
from power supply and remove the battery pack.
Fig. 2