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WinBook Si Battery and Winbook Si2 Battery

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Item No.: Dekcell - BL-5850

Ratings: (4 reviews).

Availability: Out of Stock

Ships from U.S Warehouse. Most customers receive within one week.

 Color  Black  Voltage  14.80V
 Capacity  4400mAh  Type  Lithium Ion
 Cells  8 Cell

Price: $96.95   
Free Ground Shipping to US only

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Note: Order placed before 12:30PM Pacific Standard Time will normally be processed in the same day.


This high-quality battery designed for WinBook Si and Winbook Si2 has stable outcome and good endurance. It does not only provide a stable working environment but also enhances the mobility of the WinBook laptop. And this Winbook laptop battery is in high grade quality and certified by CE and RoHS. You can reassure of purchasing it!
  • This replacement is designed for the following Winbook laptop batteries (Part Numbers): 21-90484-10, 21-90494-61, 21-90494-65, 21-90500-00, 21-90500-10, 21-91026-00, 21-91026-51, 21-91026-60, 21-91026-75, 21-91026-80, 21-91026-90, 21-91055-60, 804-021474-002B, A44, M3N-BAT102, M3NBAT102, PC-VP-WP10, PCVPWP10, PS1G1E1D
  • Winbook Laptop Battery Type: Lithium Ion, 14.80V, 4400mAh, 8 Cells, Black
  • Brand new, one year warranty!
  • It can be used in the following Winbook Laptop Models: WinBook Si Series, Si2 Series

Compatible Winbook Model Number

Si SeriesSi2 Series

Compatible Winbook Part Number


Product Reviews

Avg. Customer Rating: (5.0 out of 5) based on 4 reviews. Write Your Review

1. 5-stars Store

By Nishat I. Maredia from Alaska on Apr 30, 2011

Of course you don"t know how good a retailer is until something goes wrong. In my case, all is well so far. That"s why only 5 stars and an "average" rating for customer service.

2. I like the customer service

By rudolf from Illinois on Apr 29, 2011

Delivery was fast and everything arrived intact. Customer service was absolutely exceptional. I called in expecting to have to wait at least a half hour to talk to someone (as is typical for some merchants) but waited less than 5 minutes! Also, email responses were very quick and helpful. Brilliantstore will do whatever it can to please its customers.

3. Flaw but Good Service

By Rich from California on Jun 17, 2009

There was a problem with ship charges too high on this order. Their staff resolved completely and swiftly. I'm not an extremely frequent or large quantity buyer, but with rare exception, it's only place I go to. This group has set a whole new standard for online marketing.

4. Good Price and Product

By jeremy from New Jersey on Jul 24, 2008

I keep coming back to brilliantstore.com because the site is easy to get around on and it is easy to get to the part that I need for the specific model I have. Furthermore, they always seem to have what I need and at the best price! Very timely manner as which item was shipped out. Item was securely wrapped for shipping. I would recommend for others to purchase from here.