4S 3.2/3.7V 30A BMS Lithium Battery Charging Board with Balancer for Efficient Energy Use

100% unblemished and first-rate quality Source voltage: 3.2/3.7V Size: approximately 5.6*4.8cm/2.2*1.89in Color: As Displayed Package: 1/2/3Pcs Notes: Manual measurement might lead to a 5mm deviation, thank you for your understanding. Lighting may result in slight color variations between the item and its pictures. Hope you understand. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.