(.) High Quality 7.4V 3.7V X2 SM4P Li-ion Battery Reverse Charging Adapter Electric Toy Car E561 Excavator Charger USB Cable

Description:SM4P 400mA output current 7.4V 3.7V x2 output voltageAutomatically adapt to USB input power, quickly and stably recharge the battery.USB charger SM-4P plug for Li-ion battery electric RC toys car boat USB charging cablePlease check the correct Positive/Negtative connection between the charger and your batteries.The intelligent load identification chip blocks excessive current and voltage from entering and protects the device from damage.Specifications:Material: PlasticSize: Cable length 19.68in/50cmColor: BlackItem: USB Li-ion Battery Charging CableInput: 5VVoltage output:: 7.4V 3.7V x2Voltage input: 5V-2AProduct interface: SM-4PPower supply: USB interfacePackage Includes:1 x Battery ChargerNote:1. Please note that the photo does not show actual size, please refer to Description for size details.2. Please allow differences due to manual measurement, thanks.3. Due to the difference between different monitors, the image may not reflect the actual color of the item.