Mac users interested in Coconutbattery for snow leopard generally download:
Monitor your Mac's battery life. Read such details as the current status summary, history logs, the battery temperature, the manufacture date, the age displayed in days, the number of load cycles, the serial number, as well as the operating system. Export the reports as CSV or archive files.
Battery Health Monitor is a free utility for MacBook, PowerBook and iBook owners that monitors virtual all battery health parameters and displays them in an easy-to-read format.