3.7V 1-7S Li-ion Lithium Battery 12-48V LiFePO4 Battery Power Indicator Board 12V Car Lead Acid Battery Level Capacity M

Warm Note 1 This model is not waterproof please be waterproof if you use it outdoors because the electronic components need to be used in a dry environment 2 S stands for suitable for string batteries Features 1 Ultra thin power display 5 LED indicators the display is more intuitive and beautiful 2 It can be used in a wider range including lithium batteries lead acid batteries lithium iron phosphate electric vehicle batteries and electric equipment Instructions 1 Connect the positive and negative terminals of the display board to the positive and negative ends of the battery under test lightly press the red button with your finger and the IED light will light up to display real time battery power2 Release your finger the LED will go out after a delay of 3 5 seconds and it will not consume electricity at all when it is static 3 With reverse connection function it will not burn even if the positive and negative connections are reversed just adjust it Lithium battery group display power parameters The following data is a reference value there will be a 2 error range do not take pictures that require high accuracy Warm note 3 7V lithium battery uses 1 red power indicator light 4 green power indicator lights other voltage range is 1 red power indicator light 4 blue battery indicator lights Note N is the number of battery cells The first power indicator is redBattery voltage is greater than N 3 3V the second blue lightThe battery voltage is gre