Replacement IBM ThinkPad A30p Battery (4400mAh) is specially designed for the original IBM ThinkPad A30p Laptop battery. Brand new IBM A30p Battery, with UL, CE, ISO9001:9002 certification, 1 year warranty.compatible with IBM 02K6793, IBM 02K6878, IBM 02K6879, IBM 02K6897, IBM 02K6898
Short ibm laptop battery life in a laptop is mainly cause by heat rather than charge / discharge patterns. Try to avoid frequent full discharging of the Lithium battery.
For lithium battery for ibm thinkpad a30p meter calibration,periodically do a full battery discharge, every 30 charges, to increase meter accuracy.
Another enemy of ibm laptop battery life is heat. Avoid heat, heat is the Lithium battery's enemy, the temperature in a car can easily rise 50F in a single hour, in some cases reaching 140F. Keep the ibm a30p battery cool. Avoid a hot car.
An LED display. Although pricey, LEDs use much less power than LCD.
A smaller screen. A smaller screen means a smaller backlight, which will also save on ibm thinkpad a30p battery drain.