Note : 1. 10.8V and 11.1V are compatible, they are in common use. 2. The 6600mAh(9 Cells) battery will extend out about 1 inch from the bottom of the laptop, bigger size but lasting longer.

Buy with confidence! Our Website is your source for high quality Acer laptop batteries. This brand new 4400mAh(6 cells) replacement Acer UM09H73 Li-ion battery is made with high quality cells from Samsung. Each replacement battery for Acer UM09H73 laptop has been tested on the Acer system before being dispatched and is 100% compatible with the original manufacturer's specification. When you buy our replacement Acer UM09H73 battery, you're buying trust!

Safety and Excellence Features of Our Replacement Acer UM09H73 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 Acer UM09H73 laptop battery at Laptopbattery.com.sg! Before placing an order, please make sure that the part number of your old Acer UM09H73 battery is listed as below and has the same shape as our replacement UM09H73 battery's images (please view the larger images for details).

Product Larger Images

Compatible Acer Part Numbers

UM09H73
BT.00303.020
BT.00305.013
BT.00307.030
BT.00603.108
BT.00603.109
BT.00605.058
LC.BTP00.117
LC.BTP00.121
UM09C31
UM09G51
UM09G75
UM09H31
UM09H41
UM09H51
UM09H56
UM09H71
UM09H75
UM-2009G
UM-2009H

Compatible Acer Laptop Models

Aspire One 532H-2268
Aspire One 532H-2326
Aspire One 532H-2406
Aspire One 532H-2514
Aspire One 532H-2543
Aspire One 532H-2588
Aspire One 532H-2640
Aspire One 532H-2831
Aspire One 532H-2858
Aspire One 532H-2BS_XP316
Aspire One 532H-2DB_W7616
Aspire One 532H-CPR11
Aspire One 532H-W123
Aspire One 533-13DGKK_W7625 3G
Aspire One 533-N55DKK_W7625 Noir
Aspire One AO532H
Aspire One AO532H-2067
Aspire One AO532H-2223
Aspire One AO532H-2254
Aspire One AO533

Shipping Methods

Payment Methods

Warranty

1-Year Warranty
All our high quality replacement batteries for Acer UM09H73 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. 'Acer UM09H73') 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 Acer UM09H73 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 Acer UM09H73 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 Acer UM09H73 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 Acer UM09H73 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 Acer UM09H73 battery and give it a careful wipe with a soft cloth to make sure the contact points are especially clean.
6. Avoid Full Discharges.