Dell Latitude 3400 Service Manual - Page 22
Battery, Lithium-ion battery precautions
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Next steps 1. Replace the SD memory card 2. Follow the procedure in after working inside your computer Battery Lithium-ion battery precautions CAUTION: • Exercise caution when handling Lithium-ion batteries. • Discharge the battery completely before removing it. Disconnect the AC power adapter from the system and operate the computer solely on battery power-the battery is fully discharged when the computer no longer turns on when the power button is pressed. • Do not crush, drop, mutilate, or penetrate the battery with foreign objects. • Do not expose the battery to high temperatures, or disassemble battery packs and cells. • Do not apply pressure to the surface of the battery. • Do not bend the battery. • Do not use tools of any kind to pry on or against the battery. • Ensure any screws during the servicing of this product are not lost or misplaced, to prevent accidental puncture or damage to the battery and other system components. • If the battery gets stuck inside your computer as a result of swelling, do not try to release it as puncturing, bending, or crushing a lithium-ion battery can be dangerous. In such an instance, contact Dell technical support for assistance. See www.dell.com/contactdell. • Always purchase genuine batteries from www.dell.com or authorized Dell partners and resellers. 22 Removing and installing components