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. 4. The 6600mAh(9 Cells) battery will extend out about 1 inch from the back of the laptop, bigger size but lasting longer.

Product Features

Excellent Quality，Thorough Service

The replacement battery for IBM Fru 42T5227 from BatteryBuy.us will be your best choice. We offer the high quality laptop battery at a more reasonable price. Our IBM Fru 42T5227 batteries can be charged/discharged for at least 600 cycles. Being made of ABS plastic case and the original IC protection chip, it could give you new experience of excellent durability.

With first-class quality assurance, the battery for IBM Fru 42T5227 provides protections of voltage, short circuit, charging time, ESD, and so on. Each IBM Fru 42T5227 laptop battery has passed a series of safety certifications, such as CE, UL, ROHS, ISO9001/9002. It will be rigorously tested by our technicians before being shipped to your hands. We will try our best to select a high quality IBM Fru 42T5227 battery for you.

In addition, we provide a 30-day money back guarantee and a one-year warranty for you. If you have any dissatisfaction after receiving the battery for IBM Fru 42T5227, you can click the link to find more details about our Returns and Warranty service. Please rest assured to purchase from us！

Multiple Intelligent Protection

INTELLIGENT PROTECTION
VOLTAGE PROTECTION
SHORT CIRCUIT PROTECTION
ESD PROTECTION
OVER HEAT PROTECTION
OVER (DIS)CHARGE PROTECTION
CHARGING TIME PROTECTION
CLASS A PROTECTION

Product Larger Images

Compatible IBM Part Numbers

41U3196
41U3197
41U3198
43R2499
ASM 42T4533
ASM 42T5226
ASM 42T5228
ASM 42T5265
FRU 42T4530
FRU 42T4531
FRU 42T4532
FRU 42T4548
FRU 42T4645
FRU 42T5225
FRU 42T5227
FRU 42T5229
FRU 42T5230
FRU 42T5262
FRU 42T5263
FRU 42T5264
FRU 42T5265

Compatible IBM Laptop Models

ThinkPad R400 7443
ThinkPad R400
ThinkPad R61 (14.1 INCH WIDESCREEN)
ThinkPad R61 7732
ThinkPad R61 7733
ThinkPad R61 7734
ThinkPad R61 7735
ThinkPad R61 7736
ThinkPad R61 7737
ThinkPad R61 7738
ThinkPad R61 7742
ThinkPad R61 7743
ThinkPad R61 7744
ThinkPad R61 7751
ThinkPad R61 7753
ThinkPad R61 7754
ThinkPad R61 7755
ThinkPad R61I (14.1 INCH WIDESCREEN)
ThinkPad R61I 7732
ThinkPad R61I 7742
ThinkPad T400 2764
ThinkPad T400 7417
ThinkPad T400
ThinkPad T61 (14.1 INCH WIDESCREEN)
ThinkPad T61 1959
ThinkPad T61 6377
ThinkPad T61 6378
ThinkPad T61 6379
ThinkPad T61 6480
ThinkPad T61 6481
ThinkPad T61 7658
ThinkPad T61 7659
ThinkPad T61 7660
ThinkPad T61 7661
ThinkPad T61 7662
ThinkPad T61 7663
ThinkPad T61 7664
ThinkPad T61 7665
ThinkPad T61P (14.1 INCH WIDESCREEN)
ThinkPad T61U(14.1 INCH WIDESCREEN)

Shipping Methods

Payment Methods

Warranty

1-Year Warranty
All our high quality replacement batteries for IBM Fru 42T5227 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: Is this IBM Fru 42T5227 battery compatible with my laptop？

A: Through product compatibility table, you can check if IBM Fru 42T5227 battery is compatible with your laptop. Clicking product larger Images, you can confirm the selected correctness of IBM Fru 42T5227 laptop battery. What’s more, please pay attention to check if the voltage (rated value) is the same as your old one. For more details please click How to find one correct battery for my laptop?

Q: How long will the IBM Fru 42T5227 battery last? When should I replace my battery?

A: All rechargeable batteries are being spoilt gradually from the date it starts running. Performance degradation will be found by users in 18-24 months. When the runtime is unable to meet your demand, we’d suggest you buy a new IBM Fru 42T5227 battery.

Q: How to charge my IBM Fru 42T5227 laptop battery correctly？

A: There is no need for you to charge the battery over 12 hours, just charge and discharge it normally instead. Because lithium-ion battery has no memory effect. Additionally, you should charge in time while the power remains only 10%-20%. If your battery won’t be used for a long time, please charge it once a month and keep battery power over 50%. Moreover, there is no harm even if you charge battery while using your laptop or supply external power in a fully-charged state. However, if your laptop has been running at high speed for a long time, which causes overheat insides, you'd better take the IBM Fru 42T5227 battery out of laptop.

Q: How to replace my IBM Fru 42T5227 laptop battery?

1 Turn off laptop and unplug the power cord.
2 Remove the battery release button, and then uninstall your old IBM Fru 42T5227 battery carefully.
3 Use a clean cloth to wipe off dust from the battery compartment. It’d be better if you could wipe the exposed conductive part, which connects battery and laptop, with alcohol to remove the copper rust before installing a new battery.
4 Keep your laptop and battery in a cool dry place (heat may destroy a battery).
5 Install new IBM Fru 42T5227 replacement battery into your laptop, and remember to close the battery latch.