파나소닉 코인 셀 배터리 VL-2020 재충전 배터리

리튬 배터리
September 08, 2025
Video Description:
Discover the Panasonic VL-2020 Coin Cell Battery, a 3V 20mAH rechargeable button battery perfect for compact, high-performance devices. Ideal for RTC backup, memory cards, and personal computers, this lithium vanadium pentoxide battery offers reliable power in a small package.