Rechargeable Battery Charger for ML2032 ML2016 ML2020 ML1220 Button Cells with High Efficiency Rechargeable button battery convenient and fast for charging button batteries, compact and portable. Intelligent chip technology, equipped with over-current, over-temperature protections, intelligent fast charging, and automatic stop when fully charging. Type C charging port with charging light, the redness light indicates charging, while the green color indicates full Reasonably designing shell spacing can maintain internal air circulation and good heat dissipation effect. Wide compatibility, supporting rechargeable button batteries of ML2032/ML1220/ML2016/ML2020 models. Colour:Black Material:Plastic Package Contents: 1 * Button Battery Charger Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.