Features:
：The first time the product is powered on, the default is ternary lithium battery 3 strings of voltage
：In the normal display state, if there is no operation button for 10 seconds, the product will automatically turn off the display and enter low power consumption. You can also manually short press the button to turn off the display and enter low power consumption; when the product is in the off state, short press the button to turn on and display the power.
：In the setting state, if the button is not operated within 5 seconds, it will automatically return to the normal display battery.
：After setting, press and hold the button for 2 seconds to save the data and return to the display battery status (or wait for 5 seconds to automatically return)
：Short press the button to set the number of strings or voltage of the battery; for details, please refer to the above table for option settings.
Specification:
：Working current: <10mA
：Display mode: LED indicator
：Refresh rate: 500ms/time
：Appearance size: 46mm*15mm*3mm
：Item model number: 4615
：Product working voltage: DC5V-30V
Function setting description:
：Press and hold the button for 2 seconds to enter the setting state: the mode light (battery type) flashes, and the string number light is always on; short press the button to select the battery type.
：After confirming the battery type, press and hold the button for 2 seconds to enter the serial number/voltage setting (the mode light is always on, and the serial number/voltage light flashes).
：Short press the button to set the number of strings or voltage of the battery; for details, please refer to the above table for option settings.
：After setting, press and hold the button for 2 seconds to save the data and return to the display battery status (or wait for 5 seconds to automatically return).
：In the setting state, if the button is not operated within 5 seconds, it will automatically return to the normal display battery.
Notice:
：Please do not exceed the operating voltage. Exceeding the operating voltage will damage the product.
：The product has two versions of high and low voltage, please select the electricity meter within the voltage range.
：Please do not use this product outdoors, this product is not waterproof
