Top of the Converter: Compatible with For 20V Plate Lithium Battery Tool(green); For 5Pin tools must be compatible with WA3593 WA3595 WA3401 board (green) lithium-ion battery models. Bottom of the Converter: Compatible with for 20V Plate lithium battery(Orange); For 4Pin Battery:WA3551.1, WA3530, WA3553, 20V lithium battery.(No Battery) Hign-concerned Chemical: None Model Number: Battery Adapter For 4Pin battery To for 5 Pin Power Tool Accessory Type: Battery Accessories Type: With USB Model: Battery Converter Battery Type: For 4Pin lithium battery (No Battery) Function 2: For 20V Green tool Function 1: Tool Accessories Color: As Shown Material: Metal+Plastic Package Contents: 1 * Battery Converter 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.