78. Be careful not to drop or strike battery.9. Do not use a damaged battery.SAVE THESE INSTRUCTIONS.Tips for maintaining maximum battery life1. Charge the battery cartridge beforecompletely discharged.Always stop tool operation and charge thebattery cartridge when you notice less toolpower.2. Never recharge a fully charged batterycartridge.Overcharging shortens the battery service life.3. Charge the battery cartridge with roomtemperature at 10 ゚ C - 40 ゚ C (50 ゚ F - 104 ゚ F).Let a hot battery cartridge cool down beforecharging it.4. Charge the battery cartridge once in every sixmonths if you do not use it for a long period oftime.FUNCTIONAL DESCRIPTIONCAUTION:• Always be sure that the tool is switched off and thebattery cartridge is removed before adjusting orchecking function on the tool.Installing or removing battery cartridge123012093• Always switch off the tool before installing orremoving of the battery cartridge.• To remove the battery cartridge, slide it from thetool while sliding the button on the front of thecartridge.• To install the battery cartridge, align the tongue onthe battery cartridge with the groove in the housingand slip it into place. Always insert it all the wayuntil it locks in place with a little click. If you cansee the red indicator on the upper side of thebutton, it is not locked completely. Install it fullyuntil the red indicator cannot be seen. If not, it mayaccidentally fall out of the tool, causing injury toyou or someone around you.• Do not use force when installing the batterycartridge. If the cartridge does not slide in easily, itis not being inserted correctly.Battery protection system (Lithium-ionbattery with star marking)1012128Lithium-ion batteries with a star marking are equippedwith a protection system. This system automatically cutsoff power to the tool to extend battery life.The tool will automatically stop during operation if thetool and/or battery are placed under one of the followingconditions:1. Star marking1. Red indicator2. Button3. Battery cartridge