2S Li-ion 18650 Lithium Battery Charger Protection Board 7.4V 3A Specification Maximum sustained discharge current: 3A Size:6 x 36 mm

Product description 3-Cell(3S) 12.6V Version 1.Input voltage : DC 3-6V(Recommend DC 3.7V 5V) 2.Input current : 4A(4A Version) 3.Charging voltage

18650 Battery UPS power supply module Description specifically designed for use with 18650 lithium-ion batteries. This module serves as a

Specifications Input voltage: 5V Maximum input current 1A Input interface type: USB Type-C or solder pads Output voltage: 9V Maximum