Extension Board for Raspberry Pi 4B Lithium Battery Mobile Power Module Fast Charging

Feature: 1. Lithium battery expansion board for Raspberry Pi, onboard mobile power chip, can provide stable 5V voltage output, and supports bidirectional fast charging. 2. Can be used as a mini power bank, and can also be used to power other 5V devices. Bring it and say goodbye to the trouble of power supply. 3. The onboard chip supports two‑way fast charging, and supports multiple fast charging protocols such as PDQCFCPPESFCP. 4. Onboard lithium battery protection circuit, with anti‑reverse connection, anti‑overcharge, anti‑over‑discharge, anti‑overcurrent and short‑circuit protection functions. 5. Onboard fast charge, warning and battery indicator lights, easy to check the working status of the board and battery. Specification: Item Type: Extension Board Output Voltage: 5V Applicable Battery: 3.7V 14500 lithium battery (full charge is 4.2V) Product Size: Approx. 65 x 30mm 2.6 x 1.2in Through Hole Diameter: Approx. 3.0mm 0.1inSize: Approx. 65mm 2.6in30mm 1.2in 3.5mm 0.1in1.5mm 0.1in . Package List: 1 x Lithium Battery1 x Expansion Board2 x Nut2 x Short Rod Screw2 x Long Rod Screw