This BLU C765804220L Battery has a capacity of 2200mAh and a voltage of 3.7V. Suitable for BLU Win HD W510 W510U W510L. 100% compatible and 100% safe. 1-year warranty, 30-day money back guarantee.
BLU C765804220L 2200mAh 3.7V cell phone battery
(product code: C765804220L) 
（Usually ships the same business day!）
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Product details：
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Brand: BLU C765804220L Cell phone batteries
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Type: Li-ion battery
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Voltage: 3.7V
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Capacity: 2200mAh
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SKU: ECNM10243_Te
Replace the following batteries:
C765804220L
Compatible with the following models:
BLU Win HD W510 W510U W510L
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If you cannot find what you need, we have some sister stores. Here we go!
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DE: C765804220L Akku
http://www.notebookbattery.co.nz/laptop-batteies-blu/replace-battery-c765804220l-b178855.htm
Extend cell phone battery BLU C765804220L Service life
1.Charge the battery! Consider keeping it plugged in for 12 hours before you unplug.
2. Switch on the optimized battery or power feature. You'll find this option — sometimes referred to as max battery mode — in your cell phone battery system's built-in power management control panel. You can select the option to reduce the amount of time your inactive cell phone battery stays on before powering itself down and going to sleep.
3. Remove the battery and clean the metal contacts. Wipe them with alcohol, ideally every two months, to ensure that the power transfer between the cell phone battery and its battery is as efficient as possible. Allow the battery to dry thoroughly before replacing it!
4. Unplug any cell phone battery accessories you aren't using. Even if they're not in use, accessories drain power from the battery.
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Wholesale and retail Notebook Battery in NZ. Replacement for Acer, Apple, Compaq, Dell, FUJITSU, IBM,Lenovo,Sony and so on.
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