Bistook 9pcs 18650 or 21700 Charging Board Dual USB 5V 3A Mobile Power Bank Module 18650 Lithium Battery Charger Board with Overcharge Overdischarge Short Circuit Protection DIY USB Power Bank Board - bistook118

• UPC   760627179229
• 1.Indicator light：Equipped with LED remaining indicator,with one light representing 25%.Pressing the button can view the battery level indicator, making it convenient for you to check the battery level. 2.Two ports：The charging board is designed with a transmission USB-C input and output port and 1 USB-A output port. The USB-C supports maximum output and input PD18W and supports protocol PD3.0/2.0, while USB-A outputs 5V3A, 9V2A, 12V1.5A, support protocol QC3.0/2.0, AFC, FCP, PE1.1/2.0, SFCP, BC1.2, DCP. 3.Protocol Protection：overcharge protection, overdischarge protection, short circuit protection, constant current. 4.Convenience：The charging board supports 18650,21700 lithium batteries or polymer lithium batteries, allowing you to quickly DIY to create your own power bank supply or battery charger. It outputs a maximum current of 5V/3.0A, which is convenient to provide power for devices with larger battery capacity, such as mobile phones and tablet computers, and provide power anytime and anywhere, providing you with flexibility and convenience! 5.Warm Tips & Satisfactory Service：This product issuitable for DIY.If there are any issues with the product, it can be returned within 30 days of receipt in its original condition for a full refund or replacement. If you have any questions, please contact us.