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Caution On Lithium-Ion Battery - Hitachi RB 18DL Handling Instructions Manual

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5) Battery tool use and care
a) Recharge only with the charger specified by the
A charger that is suitable for one type of battery
pack may create a risk of fire when used with
another battery pack.
b) Use power tools only with specifically designated
battery packs.
Use of any other battery packs may create a risk
of injury and fire.
c) When battery pack is not in use, keep it away from
other metal objects like paper clips, coins, keys,
nails, screws, or other small metal objects that can
make a connection from one terminal to another.
Shorting the battery terminals together may
cause burns or a fire.
d) Under abusive conditions, liquid may be ejected
from the battery; avoid contact. If contact
accidentally occurs, flush with water. If liquid
contacts eyes, additionally seek medical help.
Liquid ejected from the battery may cause
irritation or burns.
6) Service
a) Have your power tool serviced by a qualified repair
person using only identical replacement parts.
This will ensure that the safety of the power tool
is maintained.
Keep children and infirm persons away.
When not in use, tools should be stored out of reach of
children and infirm persons.


To extend the lifetime, the lithium-ion battery equips
with the protection function to stop the output.
In the cases of 1 and 2 described below, when using
this product, even if you are pulling the switch, the
motor may stop. This is not the trouble but the result
of protection function.
1. When the battery power remaining runs out (The
battery voltage drops to about 10V (RB18DL) /
about 8V (RB14DL)), the motor stops.
In such case, charge it up immediately.
2. If the tool is overloaded, the motor may stop. In
this case, release the switch of tool and eliminate
causes of overloading. After that, you can use it
Furthermore, please heed the following warning and
In order to prevent any battery leakage, heat generation,
smoke emission, explosion and ignition beforehand,
please be sure to heed the following precautions.
1. Do not pierce battery with a sharp object such
as a nail, strike with a hammer, step on, throw
or subject the battery to severe physical shock.
2. Do not use an apparently damaged or deformed
3. Do not use the battery in reverse polarity.
4. Do not connect directly to an electrical outlets or car
cigarette lighter sockets.
5. Do not use the battery for a purpose other than those
6. If the battery charging fails to complete even
when a specified recharging time has elapsed,
immediately stop further recharging.
7. Do not put or subject the battery to high temperatures
or high pressure such as into a microwave oven,
dryer, or high pressure container.
8. Keep away from fire immediately when leakage
or foul odor are detected.
9. Do not use in a location where strong static electricity
10. If there is battery leakage, foul odor, heat
generated, discolored or deformed, or in any way
appears abnormal during use, recharging or
storage, immediately remove it from the equipment
or battery charger, and stop use.
1. If liquid leaking from the battery gets into your eyes,
do not rub your eyes and wash them well with fresh
contact a doctor immediately.
If left untreated, the liquid may cause eye-problems.
2. If liquid leaks onto your skin or clothes, wash well
with clean water such as tap water immediately.
There is a possibility that this can cause skin irritation.
3. If you find rust, foul odor, overheating, discolor,
deformation, and/or other irregularities when using
the battery for the first time, do not use and return
it to your supplier or vendor.
1. Always charge the battery at a temperature of 10
– 40°C. A temperature of less than 10°C will result
in over charging which is dangerous. The battery
cannot be charged at a temperature higher than
The most suitable temperature for charging is that
of 20 – 25°C.
2. When one charging is completed, leave the charger
for about 15 minutes before the next charging of
3. Do not allow foreign matter to enter the hole for
connecting the rechargeable battery.
4. Never disassemble the rechargeable battery and
5. Never short-circuit the rechargeable battery. Short-
circuiting the battery will cause a great electric
current and overheat. It results in burn or damage
to the battery.
6. Do not dispose of the battery in fire.
If the battery is burnt, it may explode.
7. Bring the battery to the shop from which it was
purchased as soon as the post-charging battery
life becomes too short for practical use. Do not
dispose of the exhausted battery.
8. Using an exhausted battery will damage the
9. Do not insert object into the air ventilation slots
of the charger.
Inserting metal objects or inflammables into the
charger air ventilation slots will result in electrical
shock hazard or damaged charger.



This manual is also suitable for:

Rb 14dl