CX405 4-channel Micro USB charger for 1S 3,7V Lipo LiHV 3,8V battery for RC helicopter . USB CHARGER 1S 3,7V LIPO LIHV 3,8V CHARGE FOUR BATTERIES AT THE SAME TIME Characteristic: 1. Plug and Play: standard USB power interface, easy to operate, users support LiPO key switch (3,7/4,20V) /Li-Hv (3,8/4,35V). 2. Instructions for setting the smart battery type: Charging process with LiPO LED slow flash, Li-Hv LED flash charging process. 3. Intelligent access to battery checking: No battery access, the LED indicates the type of battery setting, from right to left is LiPO, and from left to right is Li-Hv. 4. Indicate charging status: 4 LED LEDs independently indicate the charging status of four channels, the charging process is interrupted and charging is completed. 5. Simultaneous charging: Four independent charging output channels can charge four batteries at the same time. It also supports LiPO lithium battery and Li-Hv high voltage lithium battery. . USB CHARGER 1S 3,7V LIPO LIHV 3,8V CHARGE FOUR BATTERIES AT THE SAME TIME Specification: Item Type: CX405 4CH USB Charger Color: as picture shown Weight: about 15 g/0,5 oz Material: plastic electronic components Battery Part Support: 1 Mobile Phone USB interface power input range: 5V 5% 0,52A Battery Interface Support: Mcpx, for Molex, JST (Differentiated Models) Battery charging interface Output current range: 500 mA X 4CH USB 5 V/2 A Battery charging interface Output power range: 2,1W X 4CH USB 5V/2A Display mode: 4 green indicators LED Three states Independent display light (no battery, charging, full) List of packages: 1 x CX405 4CH USB Charger . USB CHARGER 1S 3,7V LIPO LIHV 3,8V CHARGE FOUR BATTERIES AT THE SAME TIME