What is the fine-grained topic of the following text: The moment you purchase your IBM FRU_42T5233 laptop battery for LENOVO Thinkpad T500 W500 SL300 SL400 SL500, It is recommended that you use the battery's charge completely, then charge it fully, do this for at least three times. Only return the topic.
Charging instructions for IBM FRU_42T5233 laptop battery for LENOVO Thinkpad T500 W500 SL300 SL400 SL500