£ 63.92 AU$ 99.11 € 74.42 CA$ 103.82
£ 63.98 AU$ 99.21 € 74.49 CA$ 103.92
£ 73.29 AU$ 113.65 € 85.33 CA$ 119.04
£ 73.30 AU$ 113.66 € 85.34 CA$ 119.05
£ 50.24 AU$ 77.91 € 58.50 CA$ 81.61
£ 50.31 AU$ 78.02 € 58.58 CA$ 81.72
£ 53.35 AU$ 82.73 € 62.12 CA$ 86.65
£ 53.42 AU$ 82.83 € 62.20 CA$ 86.76
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|Sony VGN-CR409 Laptop Battery Tips & Info:|
Sony VGN-CR409 Laptop Battery Do's:
|Some Information For Sony VGN-CR409 Laptop Battery|
Prevent the Memory Effect - Keep the Laptop Battery healthy by fully charging and then fully discharging it at least once every two to three weeks. Exceptions to the rule are Li-Ion batteries which do not suffer from the memory effect.
Keep the Sony VGN-CR409 Laptop Battery 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.
Exercise the Battery - Do not leave the battery dormant for long periods of time. We recommend using the battery at least once every two to three weeks. If a Laptop Battery has not been used for a long period of time, perform the new battery break in procedure described above.
Battery Storage - If you don't plan on using the Laptop Battery for a month or more, store it in a clean, dry, cool place away from heat and metal objects. NiCad, NiMH and Li-Ion batteries will self-discharge during storage; remember to recharge the batteries before use.
14.4 Volts, 4000mAh (Note: 4000mAh is equal to 4.0 Amperes).
14.4 x 4.0 = 57.60 Watt-Hours
Watt-Hours signifies the energy needed to power one watt for one hour. This Sony VGN-CR409 Laptop Battery can power 57.60 watts for one hour. If your laptop runs at 20.50 watts, as an example, this Laptop Battery could power your laptop for 2.8 hours.
Understanding your Sony Battery NeedsWe strive to make you Sony Laptop Battery purchases easy. Since we understand that finding the right batteries for your needs can be overwhelming and confusing at times we developed a Laptop Battery finder tool to help find the right size for the make and model of your equipment. We also offer educational articles and tips to help you conserve your batteries and understand common problems. By us providing education you are able to make the right purchasing decisions as well as provide proper care for all of your electronics.