Backup Battery (RTC)
Ÿ“Battery” on page 61
Ÿ“Modem Card” on page 68
Safety Notice 4: Translation on page 8
The lithium battery can cause a fire, explosi severe burn. Do not recharge it, remove its connector, disassemble it, heat it above 100°C (212°F), incinerate it, or expose its cell con water. Dispose the battery as required by l nances or regulations. Use only the battery i appropriate parts listing. Use of an incorrect can result in ignition or explosion of the batt
Use your thumb first to pull out the backup b
ThinkPad 390X / i 1700 69HMM
