For RaspberryPi Li-ion Battery HAT Adapter Bi-Directional Quick Charge Supports SFCP 5V Output for RaspberryPi 4B/3B+

Features: Brand new and high quality Supports a bi-directional quick charge supports quick charge protocols. circuitry provides reverse overcharge/discharge overcurrent and short circuit . Can be used as a universal mini also works with other 5V devices. Made of high-quality materials exquisite workmanship very good quality and long service life. his product...