COMPAQ PRESARIO R4000CA Battery Tips:

When your get the COMPAQ PRESARIO R4000CA Laptop battery, please read the following sentences first, for they may give you some tips to prolong the lifetime of PRESARIO R4000CA battery for your COMPAQ laptop!

• 1. Make sure you get the correct type of battery before it's fixed, otherwise the mismatched battery may destruct your laptops.
• 2. When you receive the new COMPAQ PRESARIO R4000CA battery, please don't be hurry to use it immediately, erenow your COMPAQ PRESARIO R4000CA battery may require for three to four charge/discharge cycles before achieving maximum capacity.
• 3. Don't make COMPAQ PRESARIO R4000CA laptop battery short-circuit, dropped, pinched, and exposed to& immersed in the water.
• 4. Keep your battery for COMPAQ PRESARIO R4000CA away from fire and other excessive heat sources to prevent it from explosion.
• 5. Don't press drop and burn the battery for COMPAQ PRESARIO R4000CA .
• 6. When you don't use power supply for PRESARIO R4000CA , keep it in a cool, dry and clean place.
• 7. If finding any leak or deformation, please stop use your COMPAQ PRESARIO R4000CA laptop battery, you should get a new one for the sake of your laptops.
• 8. For it's self-discharging, don't be worried about this natural phenomenon. Just need to make the COMPAQ battery PRESARIO R4000CA in a fully charged status and it's necessary to fully discharge and then fully charge the PRESARIO R4000CA COMPAQ Battery every two to three weeks.
• 9. It is normal for your COMPAQ PRESARIO R4000CA replacement battery to become warm when charging or normal use. But if it is getting too hot, there may be something wrong with the device, please remove it and ask help from our qualified personnel.
• 10. New COMPAQ PRESARIO R4000CA battery is sometimes hard to be charged. Your electronic device may indicate a fully charged condition for about 10 to 15 minutes when a new battery pack is being charged for the first time. When this happens, remove the battery pack and let it cool down for a while. Repeat the charging procedure again. When a new COMPAQ PRESARIO R4000CA battery is unable to charge, it is suggested to remove the battery from the device and reinsert it for several times to wake up dormant cells. Occasionally, BIOS updating is required to make the battery work normally on your device.
• 11. More useful info about COMPAQ PRESARIO R4000CA laptop rechargeable battery in Battery tips.