IBM ThinkPad A21e Battery are all Brand New, just fresh out from factory with New Highest Quality Japanese or Korea Cells, and Guaranteed to Meet or Exceed Original Specifications!With constant Running, especially when you go out for a long time playing, your standard battery alone will not usually be sufficient. Providing an extra 4400mAh of power, this spare laptop battery for thinkpad a21 will not put constraints on how you want to use your computer

IBM ThinkPad A21e Series batteries features:
Uses the highest quality cells.
100% Q.C. of EVERY product. Extended run time.
1 Year Extended Warranty.
Excellent Service.
100% compatible with original battery.

Compatible Part Number:
02K6739, 02K6740, 02K6741, 02K6743, 02K6776, 02K6778, 02K6779, 08K8027

Fit Models:

IBM ThinkPad A21e Series
(not include ThinkPad A21e-2628 Series and ThinkPad A21e-2632 Series)

IBM ThinkPad A21e-2655 Series

IBM ThinkPad A22e Series
not include ThinkPad A21e-2628 Series and ThinkPad A21e-2632 Series

IBM ThinkPad A22e-2655 Series

IBm ThinkPad i1800 Series
not include ThinkPad i1800-2628 Series and ThinkPad i1800-2632 Series

IBM ThinkPad i1800-2655 Series

Specification:
Battery Type: Li-ion,  Volts: 10.8V,  Capacity: 4400mAh

Laptop Batteries Instruction Manual:

These safety instructions must be read carefully and must be fully understood before attempting to use your laptop battery

Caution:

Never throw the battery pack into fire, as that could cause the battery pack to explode.Never heat the battery pack,as that could cause leakage of alkaline solution or other electrolytic substance.
Never disassemble the battery pack, as that could cause leakage of alkaline solution or other electrolytic substance.
Never short-circuit the main battery pack by either accidentally or intentionally bringing the terminals in contact with another metal object. This could cause personal injury, a fire, or damage the battery pack.
Never hammer a nail into the battery pack. Never hit a hammer on the battery pack. Never step or tread on the battery pack.
Always confirm that the temperature is 5 c-35 c before you charge the battery. Leakage or deterioration of the battery pack may occur if this warning is not heeded.
Never expose the IBM ThinkPad A21 ThinkPad A21M Laptop Battery pack to any liquid.
Never expose the battery pack to direct sunlight. Never store or use the battery pack in an unventilated vehicle where excessive internal temperatures may be encountered.
Always keep the battery pack out of reach of infants or small children.
Never drop or throw the IBM ThinkPad A21 ThinkPad A21M Laptop Batteries pack.
If the liquid contained within the battery pack leaks, use large amounts of water an immediately wash off any liquid which may accidentally contact any part of the body. Remove any liquid that has contacted your clothes by washing them immediately with a synthetic detergent.

Warning

If you ever detect the emission of an extraordinary odor or leakage of alkaline solution or other electrolytic substance, stop usage and dispose of properly. Never dispose of used battery packs with other ordinary solid wastes, since they contain toxic substances. Always dispose of used battery packs in accordance with the prevailing community regulations that apply to the disposal of batteries. Cover the metal terminals with insulating tape in order to prevent accidental short-circuiting when disposing of the battery.