1S 2S 3S 4S Single 3.7V 18650 Lithium Battery Capacity Indicator Module Percent Power Level Tester LED Display Board

Description The smart battery indicator panel gently press the trigger switch and the display will automatically close after 3 seconds Static power consumption 2 3 microamp negligible Multiple battery packs are available such as single 2 3 4 lithium battery packs Indicator color 25 red other 3 green Size 44 x 9 x 7 5 mmApplication scope To detect the battery power just connect the positive negative electrode of the battery to the positive negative electrode of the battery indicator board and gently press the trigger switch to measure the current battery power The total capacity of the battery is divided into 4 sections by 4 leds The power level of the battery is known by the flick of a switch Power Indicator 1Series of battery power indicator 25 The first light is on voltage around 3 4V 50 second light voltage 3 6V or so Third light voltage 3 8V or so 100 fourth light voltage around 4V 2Series of battery power indicator 25 First light on voltage 6 6V or so 50 second light on voltage around 7V 75 Third light voltage around 7 5V 100 fourth light voltage around 8V 3Series of battery power indicator 25 First light on voltage 10 4V or so 50 second light voltage around 11V 75 Third light voltage around 11 5V 100 fourth light voltage 12 4V or so 4Series of battery power indicator 25 First light on voltage 13 6V or so 50 second light voltage around 14 4V 75 Third light voltage around 15 2 100 fourth light voltage around 16V Battery vol