Compatible with Attop XT-1 RC UAV. Input: DC 5V 0.5-2A, Output: DC 4.2V 300mA.
Rechargeable battery: 3.7V lithium battery 50-600mAH can be charged.
Function description: After the battery is fully charged, the voltage is 4.23V±0.03V.
Charge protection: Built-in smart charging management IC for lithium battery charging and protection without overcharging, extending battery life.
Charging indicator: Built-in two-color charging indicator: USB charging cable turns green when connected to power, red when plugged into battery for charging, and green when lithium battery is fully charged.