USB 5V2A to 1.5V 3V 4.5V 5W 3A LR03 fake battery power supply line, adjustable output voltages. Cost saving, without need to frequently replace batteries, can power by charging adapter, power adapter. USB input 5V2A, output 1.5V 3V 4.5V adjustable 5W, can replace 1-3pcs 1.5V 3A LR03 batteries. Suitable for various LR03 battery powered electronic devices such as toy, hygrometer, fan, remote controls, thermometers, tools, instrument and more. The green is fake battery, and is used as conductors. Before use, the voltages must be adjusted. If the device use 1pc battery voltages to adjust to 1.5V, two batteries to adjust to 3V and install a green fake battery, three batteries to adjust to 4.5V and install two green fake batteries.
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