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Item specifics
  • Brand Name: KingSener
  • Model Number: AS07B51
  • Package: Yes
  • Battery Capacity: 4001 - 5000 MAh
  • Battery Voltage: 10.8V
  • Compatible Brand: Acer
  • Products Status: Stock
  • Type: Li-Ion
  • Color: Black
  • Cell: 6 Cells,made in Japan,high quality
  • Condition: Brand New
  • Place of Origin: China
  • Warranty: 2 Year
  • Battery Capacity: 4400mAh/48WH
  • is_customized: Yes
Product Description

About Us:

KingSener known as a worldwide registered brand owned by KingSener Inc. is one of the most desired brand in North America, Europe and Asia. 

KingSener is one of the most popular laptop battery offered by KingSener Inc. and it’s one of the best selling now,which is designed and produced by strict production management system.

100% safe and durable with 2 Years Free Warranty.
We guarantee that all laptop batteries that our company sell are made of Japanese/Korean Cell and American circuit board/ TI chips. 
The quality and function are same as original Brands,very safe and durable.They will match and work well with your laptops.  Please buy with confidence!




Battery Type: Li-ion

Cell:6 Cells,made in Japan, high quality guarantee


Condition:Replacement Battery (100% Brand New,2 years warranty!)

Replace Part Number:

AS07B31   AS07B51   AS07B41
AS07B42   AS07B32   AS07B52
AS07B71   AS07B72   AS07B61

Compatible Laptop Model:

For Acer 

Aspire 5220 Series   Aspire 5220   Aspire 5220G
Aspire 5230 Series   Aspire 5230G-603G25MN Aspire 5235 Series
Aspire 5310 Series  Aspire 5310  Aspire 5310G
Aspire 5315  Aspire 5315G  Aspire 5330 Series
Aspire 5520 Series  Aspire 5520-5A2G16  Aspire 5520-6A2G12Mi
Aspire 5520G Series  Aspire 5520G-402G25Mi  Aspire 5530 Series
Aspire 5530G Series  Aspire 5710 Series  Aspire 5710G
Aspire 5710Z  Aspire 5710ZG  Aspire 5715
Aspire 5715Z Series  Aspire 5720 Series  Aspire 5720G
Aspire 5720Z   Aspire 5720ZG   Aspire 5730
Aspire 5730Z Series   Aspire 5730ZG Series   Aspire 5739 Series 
Aspire 5739G-6132   Aspire 5739G-6959   Aspire 5910G
Aspire 5920   Aspire 5920 Series   Aspire 5920-1A2G16Mi
Aspire 5920-302G12Mi   Aspire 5920-302G16MN   Aspire 5920-3A2G16Mi
Aspire 5920-6582   Aspire 5920-6661   Aspire 5920G Series
Aspire 5920G-102G16   Aspire 5920G-302G16MN   Aspire 5920G-302G20H
Aspire 5920G-302G20N   Aspire 5920G-302G25    Aspire 5920G-302G25Hi
Aspire 5920G-302G25Hn  Aspire 5920G-302G25Mn  Aspire 5920G-3A2G25Mn
Aspire 5920G-602G16Mn  Aspire 5920G-602G20HN  Aspire 5920G-602G25Mn
 Aspire 5920G-702G25Hn  Aspire 5930 Series  Aspire 5930G Series
Aspire 5935 Series  Aspire 5935G Series  Aspire 5940 
Aspire 5940G   Aspire 5942   Aspire 5942G Aspire 6530 Series
Aspire 6530G Series  Aspire 6530G-802G32Mn  Aspire 6920 Series
Aspire 6920-6422  Aspire 6920-6428  Aspire 6920-6610
Aspire 6920-6621  Aspire 6920-6731  Aspire 6920-6864
Aspire 6920G Series  Aspire 6920G-6A4G25Mn  Aspire 6920G-814G32Bn
Aspire 6920G-832G25Bn  Aspire 6920G-834G32Bn Aspire 6920G-934G32Bn
Aspire 7220 Series  Aspire 7230 Series  Aspire 7330 Series
Aspire 7520 series  Aspire 7520-5115  Aspire 7520-5618
Aspire 7520-5823   Aspire 7520G-502G25Mi  Aspire 7520G-502G32Mi  
Aspire 7530 Series  Aspire 7530G Series   Aspire 7535
Aspire 7535G  Aspire 7540  Aspire 7540G
Aspire 7720  Aspire 7720 Series  Aspire 7720G-302G32Hi
Aspire 7720Z Series  Aspire 7720Z-1A2G16Mi  Aspire 7720ZG-3A1G16Mi
Aspire 7730 Series  Aspire 7730G Series  Aspire 7730Z Series
Aspire 7730ZG Series  Aspire 7735  Aspire 7735G
Aspire 7735Z  Aspire 7735ZG  Aspire 7736G  Aspire 7736Z
Aspire 7736ZG  Aspire 7738  Aspire 7738G
Aspire 8530 series  Aspire 8530G  Aspire AS8530
Aspire AS8530G
Aspire 8730 Series  Aspire 8730G  Aspire 8730G Series
Aspire 8730Z Series  Aspire 8730ZG Series  Aspire 8735ZG
Aspire 8920 Series  Aspire 8920G Series   Aspire 8930 Series
Aspire 8930G Series   Aspire 8935G   Aspire 8940  
Aspire 8940G  Aspire 8942   Aspire 8942G 
Aspire 8943   Aspire 8943G
Aspire 6930 Series   Aspire 6930G







Shipping Information:

1.Items will be sent out within 7 days after payment effected and confirmed by Aliexpress System.

2.We provide free shipping by Registered Singapore Post/Hong Kong Post/China Post or by Four Special Air Mail Line. It normally takes 15-45 working days to arrive . But the delivery time depends on weather ,holiday, hot season, local post service and customs clearance factors. Welcome to contact us by email by message if you don’t receive your item for a long time. Please contact us by email or by message if you require to ship out via Express shipping methods such as TNT /UPS /FEDEX /EMS, 
3.Please make sure to provide complete and right address including full name and telephone number , so that the post office can delivered package to you efficiently and successfully. 

4. We are not responsible for buyer import custom duties and related taxes. Orders will be shipped as a gift or as a sample.


We onlyaccept the payment nominated by Aliexpress ( Escrow, T/T, western union, credit card etc.)
If have any payment problem for your order, please refer to this link:

Return/Refund Policy:

1.All the items have been 100% carefully checked and tested by our quality control department before sending out, so that they should be qualified in good condition.When buyer require returning for whatever reasons,it must be accompanied by a Return Merchandise Authorization (RMA) Number.Buyer must contact us by email or by message before returning. Items returned without RMA# will delay the refund process or be ignored.

2.Registered Post Air Mail will take more than 90 working days for some Out-of-the-way countries or areas,buyer can contact us by email or message for extending delivery time,but can\'t;t require full refund within 90 working days when item still on the way to your address.

3.We provide 12 months warranty for all our products .The return shipping freight must be paid by the buyers if your items need to sent back to repair, refund or replacement.Please use Local Registered Post Air Mail to return the item. Please do not use UPS, DHL ,FEDEX and other express shipping methods which will cause the import tax requested by China Custom.


1.We are really appreciate your positive feedback or five stars feedback if your are satisfied with our products ,and meanwhile our system will also leave positive feedback for you automatically.

2.Please contact us by email immediately if your item have any problem when you receive it. We will try our best to help you to solve the problem. Please don’t open a dispute or leave a negative feedback before communicate with us.

Wish you a pleasant shopping experience in our store!

Packaging Details
  • Unit Type: piece
  • Package Weight: 0.5kg (1.10lb.)
  • Package Size: 30cm x 11cm x 5cm (11.81in x 4.33in x 1.97in)
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Packaging Details
  • Unit Type: piece
  • Package Weight: 0.5kg (1.10lb.)
  • Package Size: 30cm x 11cm x 5cm (11.81in x 4.33in x 1.97in)
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