replacement Sony VGN-SZ640 Battery

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The Sony VAIO VGN-SZ640 notebook batteries are rigorously tested for voltage, capacity, compatibility and safety to exceed original equipment manufacturer specifications . They feature high quality!

All-batteries.co.uk provides high quality power and reliability for all our replacement batteries with full one year warranty and 30 days money back! Shopping is easy and 100% secure. We value your privacy and keep your order and personal information safe. We never share or rent our customer data.

We offers high quality Sony VGN-SZ640 battery at the most preferred price. Our laptop battery are designed to be fully compatible with the original equipment.

Sony VGN-SZ640 battery Description
Brand new, never refurbished, 100% compatible,
No memory effect.
Over 500 full charge/discharge times.
Fast shipping. 12 months warranty.
Excellent service.

Warranty :12 months
Cell Type :Li-ion
Capacity :4800mAh/7200mAh/8800mAh/10400mAh
Volts :11.1V
Color: Black/Sliver

Notes for charging Sony vgn-sz640 battery
1. You must fully drain the Sony vgp-bps9/b battery until the laptop goes into hibernation for your first use it.
2. Store it in a cool and dry area. Do not expose battery to water or other moist/ wet substances.
3. Do not forget to take away your Sony vgn-sz640 battery from the laptop if you will not use it for a long time.
4. Know that after that plug in your charger and allow it charge for 12 hours or depending on what the technician has told you. 12 hours is the max and you can use it while charging .
5. Charge new Sony vgn-sz640 battery for three times at first. After that it will take less than 2 hours to fully charge yourSony vgn-sz640 battery.
6. It is normal for Sony vgn-sz640 battery to become warm during charging and discharging.
7. Learn that this is recommended so that the Sony vgn-sz640 battery will heat up for the time allowing ions to reawaken.
8. More battery tips are provided free download at Battery Tips(PDF) .

How to store your Sony vgn-sz640 battery?

Keep your Sony vgn-sz640 battery in a cool and dry storage area.
Do not fully charge your rechargeable batteries before storage.
Do not store your battery fully depleted.
Do not stockpile your batteries and avoid buying dated stock.
Never leave a nickel-based battery sitting on a charger for more than a few days.
Always store a lead acid battery in full-charge condition.
Observe the open terminal voltage and recharge the Sony vgn-sz640 battery as recommended by the manufacturer.

To better use your notebook computer battery, please take care of the precautions listed below
1) Do not modify or disassemble the Sony vgn-sz640 battery.
2) Do not incinerate or expose Sony laptop battery to excessive heat, which may result in an exposure.
3) Do not expose battery to water or other moist/wet substances.
4) Avoid piercing, hitting, crushing or any abuse use of the vgn-sz640 Battery.
5) Do not forget to take away your Sony vgn-sz640 battery from the device if you will not use it for a long time. 6) Avoid short circuit of the terminals by keeping your Sony vgn-sz640 battery pack away from metal objects such as necklaces or hairpins.

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