SB-AA02,3.6V,TEKCELL,배터리,텍셀,배터리교체,백업,BACKUP,BATTERY,리튬 SB-AA02,3.6V,TEKCELL,배터리,텍셀,배터리교체,백업,BACKUP,BATTERY,리튬 IT업계 소식 2024.09.19