Compatible Part Numbers:

Replacement Laptop Models:

ThinkPad A20M THINKPAD A20M THINKPAD A20M 2628-XXX
ThinkPad A20P THINKPAD A20P THINKPAD A20P 2629-XXX
ThinkPad A20 Series THINKPAD A20 SERIES ThinkPad A21e-2628 Series (not include ThinkPad A21e - 2655 Series)
ThinkPad A21e-2632 Series (not include ThinkPad A21e - 2655 Series) ThinkPad A21m THINKPAD A21M
THINKPAD A21M 2628-XXX ThinkPad A21p THINKPAD A21P
THINKPAD A21P 2629-XXX THINKPAD A21 SERIES ThinkPad A22m
THINKPAD A22M THINKPAD A22M 2628-XXX ThinkPad A22p
THINKPAD A22P THINKPAD A22P 2629-XXX THINKPAD A22 SERIES
THINKPAD A SERIES THINKPAD A SERIES(20M/21M) ThinkPad i1800-2628 Series (not include ThinkPad i1800-2655 Series)
ThinkPad i1800-2632 Series (not include ThinkPad i1800-2655 Series)

IBM ThinkPad A20 A21M A22P laptop battery description:

1. Replacement IBM laptop batteries are 100% Compatible for original ones.

2. The cells used in the IBM notebook battery are brand new grade A :Samsung, LG, Sanyo, Panasonic from Korea and Japan.

3. IBM Notebook batteries are 100% Brand new and Grade A and give Full one year warranty.

4. Replacement IBM laptop battery Guaranteed to meet or exceed original specifications.

5. The batteries have pass 3-5 times strict quality control tests to ensure they will work safety, reliability and efficiency.   

6. IBM laptop battery have passed the CE and FCC Certificate Approval Safety Standard.

How to prolong IBM ThinkPad A20 A21M A22P laptop battery lifetime?

1. To reach battery optimum performance, A new replacement laptop battery pack should be circled (fully discharged and recharged) for three to five times

2. A new laptop battery usually maintains a discharged condition with very low capacity. It is highly recommended to fully charge new battery packs before using. You can refer to your laptop users guide of your electronic device for charging instructions.

3. To maintain the optimum performance of a battery pack, it is highly recommended to circle (fully discharging and recharging) it at least once a month.

4. Please remove the battery from a laptop when running on laptop ac adapter.

5. If you don't use the laptop over 8 hours, please remove laptop ac adapter to avoid the battery to be overcharge.

6. The battery life is related to circle time. In order to reduce the recharge times, we should only charge the battery when electricity run out.

7. It is recommended that you use notebook power management to make the system run at lower processor speeds and lower brightness of laptop display to save power.

8. Use the laptop in the circumstance under the 30℃. High temperature will affect the laptop battery life.

How to store IBM ThinkPad A20 A21M A22P laptop battery?

1. Keep replacement laptop batteries in a cool, dry and clean place.

2. For prolonged storage, you can keep the battery at a 40% charge level and recharge 50% per half year. Because rechargeable battery will undergo self-discharging when left unused for a long period of time. Self-discharge on a depleted battery may cause the protection circuit to trip and preventing a recharge.
 

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