Note : 10.8V and 11.1V are compatible, they are in common use.

Product Features

Excellent Quality，International Standards

BatteryBuy.co.uk is your best choice of high quality IBM laptop batteries! The brand new 4400mAh(6 cells) replacement IBM ThinkPad R51 Li-ion battery is made with superior quality cells from Samsung, Panasonic and LG to ensure the best performance. IBM ThinkPad R51 battery case is made of non-flammable and durable plastic, which is fire-retarded and non-perishable when dropped from low heights.

We are very strict with the safety requirements. Every our high-grade replacement battery for IBM ThinkPad R51 laptop has been tested to prove that they can match or surpass original IBM battery performance and be 100% compatible with Original Manufacturer Specifications. In compliance with international standards, they have obtained a series of rigorous safety certifications such as CE, UL, ROHS, ISO9001/9002. In general, this replacement IBM ThinkPad R51 battery can be charged/discharged up to more than 600 cycles.

Buy with Confidence! All our IBM ThinkPad R51 batteries carry a One-Year warranty and a 30-day money back guarantee if you are not completely satisfied. What’s more, Each IBM ThinkPad R51 battery will be charged and tested before shipment. When you buy our products, you're buying trust! If you have any question, please contact us freely! It is our pleasure to help you solve problems.

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

08K8190
08K8194
88P5628
92P1010
92P1011
92P1012
92P1013
92P1058
92P1060
92P1061
92P1062
92P1063
92P1065
92P1067
92P1068
92P1070
92P1071
92P1072
92P1074
92P1075
92P1087
92P1088
92P1089
92P1090
92P1091
92P1101
92P1102
92P5002
93P5002
93P5003
ASM 08K8192
ASM 08K8196
ASM 08K8197
ASM 08K8198
ASM 08K8199
ASM 92P1064
ASM 92P1076
FRU 08K8193
FRU 08K8195
FRU 08K8198
FRU 08K8201
FRU 08K8214
FRU 92P1069
FRU 92P1073
FRU 92P1077

Compatible IBM Laptop Models

ThinkPad R51
ThinkPad R51 1829
ThinkPad R51 1832
ThinkPad R51 1833
ThinkPad R51 1840
ThinkPad R51 1841
ThinkPad R51 2894
ThinkPad R51 2895
ThinkPad R51-1830
ThinkPad R51-1831
ThinkPad R51-1836
ThinkPad R51-2883
ThinkPad R51-2887
ThinkPad R51-2888
ThinkPad R51-2889
ThinkPad R51E 1843
ThinkPad R51E 1844
ThinkPad R51E-1834
ThinkPad R51E-1842
ThinkPad R51E-1845
ThinkPad R51E-1846
ThinkPad R51E-1847
ThinkPad R51E-1848
ThinkPad R51E-1849
ThinkPad R51E-1850
ThinkPad R51E-1858
ThinkPad R51E-1859
ThinkPad R51E-1860
ThinkPad R51E-1861
ThinkPad R51E-1862
ThinkPad R51E-1863
ThinkPad R51E-1870

Shipping Methods

Payment Methods

Warranty

1-Year Warranty
All our high quality replacement batteries for IBM ThinkPad R51 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 whether this battery is compatible with my laptop?

A: First, find out your old battery part number (e.g. 'IBM ThinkPad R51') or the model name of laptop and then match with our product compatibility table. Second, please compare your 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: How to charge my IBM ThinkPad R51 battery properly?

A: There is no need to charge your new IBM ThinkPad R51 battery for 12 hours for the first time use, because lithium-ion battery is with no memory effect. So you only need to charge and discharge it normally. What’s more, you should avoid recharging it till exhausting battery power, because it will bring to much damage. Therefore you have to charge it when remaining power is nearly 10-20%. Additionally, if your battery has not been used for a long time, please charge it once a month, keep the remaining power about 40% and then store it in a dry and cool environment.

Q: Is it necessary to remove my IBM ThinkPad R51 battery when connecting to the power supply?

A: In general, it will not cause any damage without removing battery when the laptop connects the power supply. The battery will not be charged anymore after it is fully charged. On the contrary, it will turn to the use of power supply system. However, when your laptop has run for a long time at high speed, you’d better remove battery out of laptop due to the internal overheating.

Q: A few Tips to maintain your IBM ThinkPad R51 battery and extend its life:

1 Avoid Full Discharges.
2 Tweak Your Built-In Power Saving Options.
3 Disable unnecessary programs that draw energy from your notebook.
4 Adjust the brightness of your laptop display as much as possible within an acceptable range.
5 Keep your laptop and battery in a cool dry place (heat may destroy a battery).