Sharp SL-5500 (collie) battery

modulename: collie_battery.ko

configname: CONFIG_BATTERY_COLLIE

Linux Kernel Configuration
└─>Device Drivers
└─>Power supply class support
└─>Sharp SL-5500 (collie) battery
In linux kernel since version 2.6.33 (release Date: 2010-02-24)  
Say Y to enable support for the battery on the Sharp Zaurus
SL-5500 (collie) models.

source code:
drivers/power/supply/collie_battery.c