Caution On Lithium-Ion Battery - Hitachi DH 18DBL Handling Instructions Manual

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.
○ Make sure that any swarf and dust falling on the power tool during work do not
collect on the battery.
○ Do not store an unused battery in a location exposed to swarf and dust.
○ Before storing a battery, remove any swarf and dust that may adhere to it and do
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.
3. Do not use an apparently damaged or deformed battery.
4. Do not use the battery in reverse polarity.
5. Do not connect directly to an electrical outlets or car cigarette lighter sockets.
6. Do not use the battery for a purpose other than those specifi ed.
7. If the battery charging fails to complete even when a specifi ed recharging time has
elapsed, immediately stop further recharging.
8. Do not put or subject the battery to high temperatures or high pressure such as
into a microwave oven, dryer, or high pressure container.
9. Keep away from fi re immediately when leakage or foul odor are detected.
10. Do not use in a location where strong static electricity generates.
11. 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.
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