Note : 1. 14.4V and 14.8V are compatible, they are in common use. 2. 10.8V and 11.1V are compatible, they are in common use. 3. the 10.8V(=11.1V) and 14.4V(=14.8V) are the different voltages, they are not compatible, please choose the right battery(Voltage) for your laptop.

Buy with confidence! Our Website is your source for high quality Gateway laptop batteries. This brand new 4400mAh(6 cells) replacement Gateway MD7321U Li-ion battery is made with high quality cells from Samsung. Each replacement battery for Gateway MD7321U laptop has been tested on the Gateway system before being dispatched and is 100% compatible with the original manufacturer's specification. When you buy our replacement Gateway MD7321U battery, you're buying trust!

Safety and Excellence Features of Our Replacement Gateway MD7321U batteries:
1. No memory effect, fast charge
2. Smart internal circuit board and Low power consumption IC design
3. Tested with strict quality control standards and meet or surpass OEM specifications
4. Certified by CE, UL, ROHS, ISO9001/9002
5. Cell-unbalanced-shut-off protection
6. Over-charge protection and Over-discharge protection
7. Over-heat protection
8. Over-current protection
9. Short-circuit protection
10.High capacity circulatory function (about 600-800 cycles)

Welcome your patronage and thank you for purchasing this high quality replacement Gateway MD7321U laptop battery at Laptopbattery.com.sg! Before placing an order, please make sure that the part number of your old Gateway MD7321U battery is listed as below and has the same shape as our replacement MD7321U battery's images (please view the larger images for details).

Product Larger Images

Compatible Gateway Part Numbers

AK.006BT.019
AS07B32
AS07B51
AS07B52
BT.00603.042
BT.00604.025
BT.00605.015
BT.00605.021
BT.00607.010
BT.00804.020
BTP-AS5520G
ICK70
ICL50
ICY70
LC.BTP00.007
LC.BTP00.008
LC.BTP00.013
LC.BTP00.014
MS2221
ZD1

Compatible Gateway Laptop Models

MD7321U
ASPIRE 5315-2377
ASPIRE 5520-502G16MI
ASPIRE 5720-4984
ASPIRE 5720Z-4643
ASPIRE 5739G-654G50BN
ASPIRE 5920-302G16MI
ASPIRE 5920-3A2G16MI
ASPIRE 5920-6483
ASPIRE 5920G-5A1G16MI
ASPIRE 5935
ASPIRE 6530-623G25MN
ASPIRE 6530G
ASPIRE 6930G-643G25MN
ASPIRE 7720-6649
ASPIRE 7720G-5A3G25MI
ASPIRE 7735Z
ASPIRE 7740G-436G64MN
ASPIRE 8730-6703
ASPIRE 8730ZG-343G25MN
EXTENSA 7630-643G32MN

Shipping Methods

Payment Methods

Warranty

1-Year Warranty
All our high quality replacement batteries for Gateway MD7321U laptop come with a 1-year warranty. Warranty is applicable if the buyer has installed the battery properly in the device and has treated the battery correctly.

30-Day Money Back Guarantee
Our goal is to turn customer satisfaction into ‘Complete Customer Satisfaction’. That's why we offer you a 30-day money back guarantee, on top of our warranty and RMA procedure for defects!
Please note: in order to qualify to get your money back, you must first contact us and await instructions before sending back your product.

Returns

If you have a problem with one battery which bought from us, please contact us first. We will process your request and try to find a solution for your problem. If the problem cannot be fixed by our technical support engineer, we will generate an RMA number (Return Material Authorization) for you. If inspection concludes that the returned battery is defective, a new battery will be shipped out without extra charge.
Please note: we cannot process returned batteries if you have not yet received an RMA number.

FAQs

Q: How to check if this battery is compatible with my laptop?

A: First, find out the part number of your old battery or the model name of your laptop (e.g. 'Gateway MD7321U') and match with our product compatibility table. Second, please compare the old battery with our product images to make sure their shapes are the same. Lastly, check the voltage (rating) is the same as the old one. For more details please click How to find one correct battery for my laptop?

Q: Do I need to charge the new Gateway MD7321U battery for 12 hours for the first time use?

A: No. Lithium-ion batteries have no memory effect, so it’s the right way to charge and discharge normally.

Q: When connected to the power supply, do I need to remove my Gateway MD7321U battery ?

A: It depends on your actual situation. Generally speaking, it will not cause any damage without removing your battery when you connect it to the power supply. Because the battery will not be charged anymore after it is fully charged, and then turn to the use of power supply system. But when the notebook high-speed operation causes the internal overheating, you’d better remove the battery, otherwise it is harmful.

Q: How to properly charge my Gateway MD7321U battery?

A: Please avoid exhausting the battery power and then recharge, because it will bring a lot of damage to your battery. Therefore you have to charge it when remaining power nearly 10-20%. In addition, if your battery has not been used for a long time, please charge it once a month, and keep the remaining power about 40% and then store in a dry and cool environment.

Q: How to care for my Gateway MD7321U laptop battery and extend its life?

A: 1. Tweak Your Built-In Power Saving Options.
2. Adjust the brightness of your laptop display as much as possible within an acceptable range.
3. Kill Power-Hungry Apps and Processes when they are unnecessary.
4. Use Hibernate, not just Sleep, Whenever Possible.
5. Regularly detach your Gateway MD7321U battery and give it a careful wipe with a soft cloth to make sure the contact points are especially clean.
6. Avoid Full Discharges.