ONLY support LiPo 3.7V/4.20V 1S batterySupport 0.2A/0.6A charge current by switch button ( Suggest using 0.2A if you charge six at the same time and 0.6A if you only do 2)USB interface input suggested range: 5V+/-5% on 0.5-2.4A, suggested 2.4A or aboveCharger plug: - 1.25 and JST-PH 2.0, AKA mCX and mCPX, Charging max 6 batteries at the same time. ( Need to consider width of battery)The 6 LED lights indicate the charging state of the six channels independently, LED solid indicates charging, LED off indicates full charged.USB standard power supply interface, simple operation, plug and playUSB power supply interface input range: 5V plusmn;5% on 0.5~2A, suggested 2.4ACharger plug: - 1.25 and JST-PH 2.0Battery charging termination voltage: Li-Po type 4.20V plusmn;0.5%Product weight: 13gcolour:blackMaterial:plasticsize:Product dimensions: 73x25x10mmPackage Contents:1 x 1S LiPo Battery USB Charger 3.7V/4.20V VersionOnly the above package content, other products are not included.Note: Light 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.