1S2S3S4S 12V Lead Acid Battery18650 Li-ion Lo Lithium Battery Level Indicator

100% Brand new and high quality 18650 Li-ion Lithium Battery Level Indicator Li-ion Battery Level Display Parameter: (2% error should be acceptable) battery voltage > N*3.2V, 1 LED lights up (note:N = battery cell number) battery voltage > N*3.4V, 2 LED lights up battery voltage > N*3.6V, 3 LED lights up battery voltage > N*3.8V, 4 LED lights up 12V Lead acid Battery Level Display Range : (4S Lithium iron phosphate battery can be acceptable battery voltage goes over 11V, 1 LED lights up battery voltage is over 11.6V, 2 LED lights up battery voltage is over 12.3V, 3 LED lights up battery voltage is over 13V, 4 LED lights up 3.7V lithium battery,full charge 4.2V 2S lithium 7.4V battery , full charge 8.4V 3S lithium 12V battery , full charge 12.6V 4S lithium battery , full charge 16.8V 5S lithium battery, full charge 21V 6S Lithium battery ,full charge 25.2V 7S Lithium battery , full charge 29.4V 12V lead acid storage battery , 12V car battery Size: 15*40*2.5MM (L*W*H) Cable Length: 140MM Operaction: Please proceing with your fingers lightly pre the red on when charge or discharge, when the LED lights, the light board line current is about 30mA. Release the finger, LED lights will go out, light board line off, no current through. Board with reverse function, the line is connected or wrong is no problem, adjust it over A total of 5 small lights, display power, suitable for reverse converter lithium battery power ts 3.7V kind with 1pcs red power Indictor ,4pcs green battery Indictor ;the others with 1pcs red power Indictor ,4pcs blue battery Indictor

About shping
Shping and Packaging All it will be double checked and well packed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 

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If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.