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 back of the laptop, bigger size but lasting longer.

Product Features

Excellent Quality，Thorough Service

The replacement battery for IBM ThinkPad R61 8918 from BatteryBuy.us will be your best choice. We offer the high quality laptop battery at a more reasonable price. Our IBM ThinkPad R61 8918 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 ThinkPad R61 8918 provides protections of voltage, short circuit, charging time, ESD, and so on. Each IBM ThinkPad R61 8918 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 ThinkPad R61 8918 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 ThinkPad R61 8918, 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

Battery for IBM ThinkPad R61 8918 laptop

Compatible IBM Part Numbers

40Y6795
40Y6797
40Y6798
40Y6799
41N5666
42T4504
42T4511
42T4513
42T4544
42T4560
42T4561
42T4566
42T4572
42T5233
42T5234
42T5245
42T5246
92P1134
92P1142
ASM 42T4545
ASM 92P1128
ASM 92P1130
ASM 92P1132
ASM 92P1138
ASM 92P1140
ASM 92P1142
FRU 42T4502
FRU 42T4504
FRU 42T4511
FRU 42T4513
FRU 42T4619
FRU 42T4651
FRU 42T5232
FRU 42T5233
FRU 92P1127
FRU 92P1129
FRU 92P1131
FRU 92P1133
FRU 92P1137
FRU 92P1139
FRU 92P1141

Compatible IBM Laptop Models

ThinkPad R61 8914
ThinkPad R61 8918
ThinkPad R61 8919
ThinkPad R61 8920
ThinkPad R61 8927
ThinkPad R61 8928
ThinkPad R61 8929
ThinkPad R61 8930
ThinkPad R61 8932
ThinkPad R61 8933
ThinkPad R61 8934
ThinkPad R61 8935
ThinkPad R61 8936
ThinkPad R61 8937
ThinkPad R61 8942
ThinkPad R61 8943
ThinkPad R61 8944
ThinkPad R61 8945
ThinkPad R61 8947
ThinkPad R61 8948
ThinkPad R61 8949

Shipping Methods

Payment Methods

Warranty

1-Year Warranty
All our high quality replacement batteries for IBM ThinkPad R61 8918 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 ThinkPad R61 8918 battery compatible with my laptop？

A: Through product compatibility table, you can check if IBM ThinkPad R61 8918 battery is compatible with your laptop. Clicking product larger Images, you can confirm the selected correctness of IBM ThinkPad R61 8918 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 ThinkPad R61 8918 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 ThinkPad R61 8918 battery.

Q: How to charge my IBM ThinkPad R61 8918 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 ThinkPad R61 8918 battery out of laptop.

Q: How to replace my IBM ThinkPad R61 8918 laptop battery?

1 Turn off laptop and unplug the power cord.
2 Remove the battery release button, and then uninstall your old IBM ThinkPad R61 8918 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 ThinkPad R61 8918 replacement battery into your laptop, and remember to close the battery latch.