Caution On Lithium-Ion Battery - Hitachi WH 14DSDL Handling Instructions Manual

12. Do not use the charger continuously.
When one charging is completed, leave the charger for about 15 minutes before
the next charging of battery.
13. Do not allow foreign matter to enter the hole for connecting the battery.
14. Never disassemble the battery and charger.
15. Never short-circuit the battery.
Short-circuiting the battery will cause a great electric current and overheat. It
results in burn or damage to the battery.
16. Do not dispose of the battery in fi re.
If the battery burnt, it may explode.
17. Do not insert object into the air ventilation slots of the charger.
Inserting metal objects or infl ammables into the charger air ventilation slots will
result in electrical shock hazard or damaged charger.
18. 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.
19. Using an exhausted battery will damage the charger.

CAUTION ON LITHIUM-ION BATTERY

To extend the lifetime, the lithium-ion battery equips with the protection function to stop
the output.
In the cases of 1 to 3 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 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 again.
3. If the battery is overheated under overload work, the battery power may stop.
In this case, stop using the battery and let the battery cool. After that, you can use
it again.
Furthermore, please heed the following warning and caution.
WARNING
In order to prevent any battery leakage, heat generation, smoke emission, explosion and
ignition beforehand, please be sure to heed the following precautions.
1. Make sure that swarf and dust do not collect on the battery.
During work make sure that swarf and dust do not fall on the battery.
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Make sure that any swarf and dust falling on the power tool during work do not
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collect on the battery.
Do not store an unused battery in a location exposed to swarf and dust.
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Before storing a battery, remove any swarf and dust that may adhere to it and do
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not store it together with metal parts (screws, nails, etc.).
2. 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.
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