IBM battery life

IBM laptop battery provides 300-500 discharge/charge cycles. So it will perfom well for 1.5-2 years with normal using. The battery life before the next charging mainly depend on the configuration (processor, memory, hard disc, etc.), types of running programs and display brightness.

How to extend IBM battery life

et lower screen brightness, cut useless aplications, disconect external devices like use mouse. Take the battery out of your IBM laptop when unused for a long time, then charge the battery to between 80% and 100% before storing the battery at temperature of 0° to 35°C (32° to 95°F). But do remember that stored batteries will discharge over a long period, so charge it again every few months.