Compaq 18XL390 Maintenance & Service Guide Presario 1800/1800T Series-Mode - Page 36
Conditioning a Battery Pack, Disposing of a Used Battery Pack, Li-ion Enhanced, Battery Pack
UPC - 720591463649
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Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Conditioning a Battery Pack Ä CAUTION: To avoid losing data, Make sure that all information is saved before completely discharging a battery pack. To condition a battery pack, complete the following steps: 1. Plug in the AC adapter and allow the battery to charge until the fast charge arrow on the status display disappears. The battery gauge may read 100% for a period of time before the arrow disappears. Note: Do not unplug the AC adapter until the arrow disappears. 2. Unplug the AC adapter and allow the battery to drain until the Notebook enters Hibernation mode. The Notebook can be used normally during this process. Note: If the AC adapter is connected while the battery is draining, the process must be repeated beginning with step 1. The battery is now reconditioned. Plug in the AC adapter and begin using the Notebook. The table below shows typical battery charging times. Li-ion Enhanced Battery Pack Computer On Line Computer Off Line Charge Time 4.75 hours 3.00 hours Disposing of a Used Battery Pack In the interests of safeguarding our environment, Compaq Computer Corporation recommends that nickel metal hydride (NiMH) and lithium-ion (Li-ion) battery packs be recycled. Battery packs should be handled in accordance with country, state, province, or local regulations. Ä CAUTION: Never attempt to open or service a battery pack. Opening a battery pack not only damages the pack and makes it unusable, it also exposes potentially harmful battery components. PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES BATTERY AND POWER MANAGEMENT 7