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Just tell us your original IBM battery number and your IBM laptop model, we can help you find any replacement laptop battery you need in our wearhouse. Contact Us:
Select IBM Laptop Battery02K705202K705302K705402K705502K705602K705802K705902K706002K706139R651939R652040Y679140Y679340Y679540Y679740Y679941N566641U319842C219342T451842T451942T452242T452342T461742T464343R196543R196743R249943R925643R925773P516773P516892P099992P100092P100192P100392P100592P100992P108092P111992P114692P1148ASM 42T4563ASM 42T4565ASM 42T5265ASM 92P1122ASM 92P1126ASM 92P1128ASM 92P1130ASM 92P1132ASM 92P1138ASM 92P1140ASM 92P1142BAT 1S3PFRU 02K6928FRU 02K7057FRU 42T4504FRU 42T4513FRU 42T4530FRU 42T4548FRU 42T4619FRU 42T4645FRU 42T4657FRU 42T4658FRU 42T5233FRU 42T5262FRU 42T5263FRU 42T5264FRU 92P0998FRU 92P1002FRU 92P1078FRU 92P1082FRU 92P1083FRU 92P1084FRU 92P1085FRU 92P1121FRU 92P1123FRU 92P1125FRU 92P1127FRU 92P1129FRU 92P1131FRU 92P1133FRU 92P1137FRU 92P1139FRU 92P1141FRU 92P1143FRU 92P1145FRU 92P1147FRU 92P1149

• Replacement Laptop Battery for 6600mAh IBM 39R6520, DS3200 System Memory Cache, BAT 1S3P, 39R6519,

  Part No.: [ 39R6520, 39R6519, 42C2193, BAT 1S3P, ...]

  Li-ion, 2.5 V, 6600mAh
  New, Long Life, Low Price, Ship worldwide,1 Year Warranty!

  £ 175.36

  £ 122.63

  
  ( Shipping Cost £2.98 in UK)
• Replacement Laptop Battery for 4400mAh IBM ThinkPad R61 7737, ThinkPad R61 7751, ThinkPad R61i 7742, ThinkPad T61 6480,

  Part No.: [ 43R2499, 41U3198, ASM 42T5265, FRU 42T5262, FRU 42T5264, ...]

  Li-ion, 10.8 V, 4400mAh
  New, Long Life, Low Price, Ship worldwide,1 Year Warranty!

  £ 71.58

  £ 50.05

  
  ( Shipping Cost £2.98 in UK)
• Replacement Laptop Battery for 2200mAh IBM ThinkPad Z61t 9448, 40Y6791, ThinkPad Z60t 2512, ThinkPad Z61t 9442,

  Part No.: [ 40Y6791, ASM 92P1122, FRU 92P1121, FRU 92P1123, ...]

  Li-ion, 14.8 V, 2200mAh
  New, Long Life, Low Price, Ship worldwide,1 Year Warranty!

  £ 64.37

  £ 45.01

  
  ( Shipping Cost £2.98 in UK)
• Replacement Laptop Battery for 4400mAh IBM FRU 92P1078, ThinkPad X41, ThinkPad X41 2527, 92P0999,

  Part No.: [ 92P0999, 92P1000, 92P1001, 92P1003, 92P1005, ...]

  Li-ion, 14.4 V, 4400mAh
  New, Long Life, Low Price, Ship worldwide,1 Year Warranty!

  £ 91.92

  £ 64.28

  
  ( Shipping Cost £2.98 in UK)
• Replacement Laptop Battery for 4400mAh IBM ThinkPad Z60m 2531, ThinkPad Z61m 9452, ThinkPad Z60m 9453, ThinkPad Z61p 0673,

  Part No.: [ 40Y6795, ASM 92P1128, ASM 92P1130, FRU 92P1127, FRU 92P1129, ...]

  Li-ion, 10.8 V, 4400mAh
  New, Long Life, Low Price, Ship worldwide,1 Year Warranty!

  £ 76.22

  £ 53.30

  
  ( Shipping Cost £2.98 in UK)
• Replacement Laptop Battery for 1900mAh IBM 73P5167, ThinkPad X41 Tablet 1869, ThinkPad X41 Tablet 1866, FRU 92P1082,

  Part No.: [ 73P5167, FRU 92P1082, FRU 92P1083, ...]

  Li-ion, 14.4 V, 1900mAh
  New, Long Life, Low Price, Ship worldwide,1 Year Warranty!

  £ 68.21

  £ 47.70

  
  ( Shipping Cost £2.98 in UK)
• Replacement Laptop Battery for 4400mAh IBM ThinkPad R60 0658, ThinkPad R60e 9463, ThinkPad R61e 7646, ThinkPad R61i 8929,

  Part No.: [ 40Y6799, ASM 92P1138, ASM 92P1140, ASM 92P1142, FRU 42T4504, ...]

  Li-ion, 10.8 V, 4400mAh
  New, Long Life, Low Price, Ship worldwide,1 Year Warranty!

  £ 68.37

  £ 47.81

  
  ( Shipping Cost £2.98 in UK)
• Replacement Laptop Battery for 4300mAh IBM 73P5167, FRU 92P1085, FRU 92P1083, ThinkPad X41 Tablet 1869,

  Part No.: [ 73P5167, 73P5168, FRU 92P1082, FRU 92P1083, FRU 92P1084, ...]

  Li-ion, 14.4 V, 4300mAh
  New, Long Life, Low Price, Ship worldwide,1 Year Warranty!

  £ 89.19

  £ 62.37

  
  ( Shipping Cost £2.98 in UK)
• Replacement Laptop Battery for 6600mAh IBM FRU 42T4619, ThinkPad R60e 9445, ThinkPad R61 8936, ThinkPad R61i 7645,

  Part No.: [ 40Y6795, 40Y6797, 40Y6799, 41N5666, ASM 92P1128, ...]

  Li-ion, 10.8 V, 6600mAh
  New, Long Life, Low Price, Ship worldwide,1 Year Warranty!

  £ 66.77

  £ 46.69

  
  ( Shipping Cost £2.98 in UK)
• Replacement Laptop Battery for 4400mAh IBM ThinkPad R40, 02K7052, 02K7058, FRU 02K7057,

  Part No.: [ 02K7052, 02K7053, 02K7054, 02K7055, 02K7056, ...]

  Li-ion, 14.4 V, 4400mAh
  New, Long Life, Low Price, Ship worldwide,1 Year Warranty!

  £ 83.38

  £ 58.31

  
  ( Shipping Cost £2.98 in UK)
• Replacement Laptop Battery for 7800mAh IBM ThinkPad R61 7734, ThinkPad R61 7742, ThinkPad R61 7754, ThinkPad T61 6377,

  Part No.: [ 43R2499, 41U3198, ASM 42T5265, FRU 42T4530, FRU 42T4645, ...]

  Li-ion, 10.8 V, 7800mAh
  New, Long Life, Low Price, Ship worldwide,1 Year Warranty!

  £ 83.91

  £ 58.68

  
  ( Shipping Cost £2.98 in UK)
• Replacement Laptop Battery for 4300mAh IBM ThinkPad X200 Tablet, FRU 42T4657, ThinkPad X200 Tablet 7453, ThinkPad X200 Tablet 2266,

  Part No.: [ FRU 42T4657, FRU 42T4658, ASM 42T4565, 43R9257, 43R9256, ...]

  Li-ion, 14.4 V, 4300mAh
  New, Long Life, Low Price, Ship worldwide,1 Year Warranty!

  £ 74.14

  £ 51.84

  
  ( Shipping Cost £2.98 in UK)
• Replacement Laptop Battery for 4400mAh IBM ThinkPad Z61t 9441, 40Y6791, FRU 92P1123, ThinkPad Z60t 2514,

  Part No.: [ 40Y6791, 40Y6793, ASM 92P1122, ASM 92P1126, FRU 92P1121, ...]

  Li-ion, 10.8 V, 4400mAh
  New, Long Life, Low Price, Ship worldwide,1 Year Warranty!

  £ 68.69

  £ 48.04

  
  ( Shipping Cost £2.98 in UK)
• Replacement Laptop Battery for 2000mAh IBM FRU 42T4657, ASM 42T4563, ThinkPad X200T,

  Part No.: [ FRU 42T4657, ASM 42T4563, ...]

  Li-ion, 14.4 V, 2000mAh
  New, Long Life, Low Price, Ship worldwide,1 Year Warranty!

  £ 74.14

  £ 51.84

  
  ( Shipping Cost £2.98 in UK)

IBM Laptop Battery Articles & Tips

Upgrade my IBM Laptop Battery from NiMH to Li-Ion

NiCad, NiMH and Li-Ion IBM laptop batteries are all fundamentally different from one another and cannot be substituted unless the laptop has been pre-configured from the manufacturer to accept more than one type of battery chemistry. Please refer to your manual to find out which rechargeable battery types the laptop device supports or use our IBM Battery Finder above to find all the compatible laptop batteries for your device. It will automatically list all of the battery chemistries supported by your specific device. If your device does allow you to upgrade the battery from NiMH to Li-Ion, you will typically get longer run times.
For example, if your laptop uses a NI-MH battery that is 9.6 Volts, 4000mAh and the new li-ion laptop battery is 14.4 Volt, 3600mAh, then you will obtain longer run time with the li-ion battery.
Example.
Li-Ion: 14.4 Volts x 3.6 Amperes = 51.84 Watt Hours
Ni-MH: 9.6 Volts x 4 Amperes = 38.4 Watt Hours
The Li-Ion is stronger and has longer run time.
Click here for information on calculating IBM laptop battery run time.

How can I maximize the performance of my IBM laptop battery?
There are several steps you can take to help you get maximum performance from your laptop battery:
Prevent the Memory Effect - Keep the laptop battery healthy by fully charging and then fully discharging it at least once every two to three weeks. Exceptions to the rule are Li-Ion batteries which do not suffer from the memory effect.
Keep the IBM laptop Batteries Clean - It's a good idea to clean dirty battery contacts with a cotton swab and alcohol. This helps maintain a good connection between the battery and the portable device.
Exercise the Battery - Do not leave the battery dormant for long periods of time. We recommend using the battery at least once every two to three weeks. If a laptop battery has not been used for a long period of time, perform the new battery break in procedure described above.
Battery Storage - If you don't plan on using the laptop battery for a month or more, store it in a clean, dry, cool place away from heat and metal objects. NiCad, NiMH and Li-Ion batteries will self-discharge during storage; remember to recharge the batteries before use.

What is the run time of IBM laptop battery?
IBM laptop batteries have two main ratings on them: Volts and Amperes. Because size and weight of laptop batteries is limited when compared to larger batteries such as car batteries, most companies show their ratings with Volts and Milliamperes. One thousand Milliamperes equals 1 Ampere. When buying a battery, select batteries with the most Milliamperes (or mAh). Batteries are also rated by Watt-Hours, perhaps the simplest rating of all. This is found by multiplying the Volts and the Amperes together. For example:
14.4 Volts, 4000mAh (Note: 4000mAh is equal to 4.0 Amperes).
14.4 x 4.0 = 57.60 Watt-Hours
Watt-Hours signifies the energy needed to power one watt for one hour. This IBM laptop battery can power 57.60 watts for one hour. If your laptop runs at 20.50 watts, as an example, this laptop battery could power your laptop for 2.8 hours.

Understanding your IBM Battery Needs
We strive to make you laptop battery purchases easy. Since we understand that finding the right batteries for your needs can be overwhelming and confusing at times we developed a laptop battery finder tool to help find the right size for the make and model of your equipment. We also offer educational articles and tips to help you conserve your batteries and understand common problems. By us providing education you are able to make the right purchasing decisions as well as provide proper care for all of your electronics.

IBM Replacement Laptop Batteries