Brief: Discover the 9V 550mAh USB Lithium Ion Rechargeable Batteries with 500 cycles life, featuring fast charging, LED display, and safety protections. Ideal for wireless microphones, metal detectors, and more.
Related Product Features:
USB 9V 550mAh rechargeable Lithium Ion battery with anti-fire housing for safety.
Fast charging via USB port with LED display (red for charging, green for full charge).
Low self-discharge rate and high power with multiple capacity options.
Original Grade A Li-ion battery ensuring long cycle life and high-end quality.
Safety features include overcharge, over-discharge, and short circuit protection.