
Always stop tool operation and charge the battery 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 temperature at 10°C -40°C (50°F -104°F). Let a hot battery cartridge cool down before charging it. Hex wrench storage When not in use, the hex wrench can be Hex wrench conveniently stored. CAUTION: Always be sure that the tool is switched off and the battery cartri