Product name: 3.8V PH-2.0 plug USB charging cable Input parameters: DC 5V 1A-2A Output parameters: DC 4.35V 500mA Plug type: two-pin balance charging plug Rechargeable battery: 3.8V polymer lithium battery, RC lithium battery Charging instructions: charging cable connected to the power supply, access to the battery charging, the red charging indicator light is always on, fully charged red light off. Function Description: 1. The charging cable is internally configured with an intelligent charge management IC, which can accurately charge the 3.8V battery, and automatically stops when it is fully charged, so it will not be overcharged. 2. Full charge cut-off voltage 4.3V-4.35V, reasonable use of lithium battery characteristics, better extend the service life of lithium battery.