5 ENGLISHTips for maintaining maximumbattery life1. Charge the battery cartridge before completely dis-charged. Always stop tool operation and charge thebattery cartridge when you notice less tool power.2. Never recharge a fully charged battery cartridge.Overcharging shortens the battery service life.3. Charge the battery cartridge with room tempera-ture at 10 °C - 40 °C (50 °F - 104 °F). Let a hotbattery cartridge cool down before charging it.4. Charge the battery cartridge if you do not useit for a long period (more than six months).PARTS DESCRIPTIONBattery holder and fan unit1 2341 Battery holder (10.8 V -12 V max)(optional accessory)2 Battery holder (14.4 V/18 V)(optional accessory)3 Fan unit 4 Power cableModel DFJ2161 Battery pocket 2 Mesh pocket for ice pack - - - -