ACER Extensa 390 Battery, ACER Extensa 390 Laptop Battery

4000mAh Ni-MH Replacement Laptop Battery For ACER Extensa 390
ACER Extensa 390 Battery Pack << See Detailed>>	Product Code :	GSNKA2C004
	Battery Chemistry :	Ni-MH
	Battery Volt :	10.8V
	Battery Capacity :	4000mAh
	Battery Color :	Black
	Product Dimension:	214.60x57.60x21.40mm
	Product Weight :	520g
	Condition:	New, 15 days money back
	Product Location:	United Kingdom
	Original price: UK £45.70 Our price: UK £35.15 You save: £ 10.55 New, 1 year warranty! coming soon Click here for shipping rates

1. Exercise the ACER Extensa 390 Laptop Battery
   Do not leave the replacement ACER Extensa 390 battery dormant for long periods of time. We recommend using the laptop battery at least once every two to three weeks. If a battery has not been used for a long period of time, perform the new battery break in procedure described above.
2. Prevent the Extensa 390 Battery Memory Effect
   Keep the battery healthy by fully charging and then fully discharging it at least once every two to three weeks.
3. Keep the Extensa 390 Batteries Clean
   It's a good idea to clean dirty battery contacts with a cotton swab and alcohol. This helps maintain a good connection between the battery and the portable device.
4. ACER Extensa 390 Battery Kits Storage
   If you don't plan on using the battery for a month or more, store it in a clean, dry, cool place away from heat and metal objects. Li-ion batteries will self-discharge during storage; remember to recharge the ACER laptop batteries before use.

• A new ACER Extensa 390 Laptop battery usually maintains a discharged condition with very low capacity. It is highly recommended to fully charge new Extensa 390 battery packs before using. You can refer to the users' guide of your electronic device for charging instructions.
• A new ACER Extensa 390 pack needs to be circled (fully discharged and recharged) three to five times to reach its optimum performance.
• Rechargeable ACER Extensa 390 battery will undergo self-discharging when left unused for a long period of time. Thus, it should always be stored in a fully charged state and kept in a cool, dry and clean place.
• To maintain the optimum performance of a ACER Extensa 390 battery pack, it is highly recommended to circle (fully discharging and recharging) it at least once a month.
• It is normal if a new Extensa 390 battery gets warm when being charged or used. However, please pay special attention if the ACER battery Extensa 390 laptop pack becomes excessively hot. This may indicate there is a problem with the charging circuit of the electronic device. Please consult a qualified technician if necessary.
• New ACER Extensa 390 laptop battery are hard to be charged. Sometimes, your electronic device may indicate a fully charged condition about 10 to 15 minutes when the new battery pack is being charged for the first time. When this happens, remove the battery pack and let it cool down for about 10 to 15 minutes then repeat the charging procedure. Sometimes, a new ACER Extensa 390 battery will suddenly refuse to be charged. If this happens, it is then suggested to remove the ACER Extensa 390 battery from the device and reinsert it.
• ACER Extensa 390 Laptop Battery Instruction Manual