5V 2A Charger Module Charging Circuit Board Step Up Boost Power Supply Module 2A Dual USB Output 1A Input Converters

Product Introduction;1.Input Parameter:5v/1A2.Input Interface: interface micro USB3.Output Parameter: double USB output:5v/2A 4.Conversion Rate:90% average5. Width 2.6 length 6.9 Battery parallel requirements between 3.2-4.2V can work properly, the maximum can not exceed 200,000 mASafe Design:1.Power has designs of overcharge, overdischarge, short circuit protection, does not need to worry about the time of charging2.Intelligent Output.When equment is fully charged, it will stop charging automatically to prevent from overcharging3.Power has multke safe designs.Output voltage and current is stable, never to damage user's device4.Operating temperature range is wide (-20 Clecius—50 Clecius),can provide over tmperature protectionFunction Feature: with a hightlight LED lamp (long pre or double click power key can start)Electricity Quantity Display:4 cla LED light display electricity quantity, non-operating state will be intelligently offCharging Display:when charging 0-25% one light is on,other lightis off; 25%--50%, the second light fes,the first light is continously on;50%-- 75%, the third light fes,front two lights are continuously on;75%---100%;the fourth light fes, front three lights are continuouly on. And four lights are on charging to 100%. Mainboard Protection Function:overcharge protection, overdischarge protection, overcurrent protection. Power does not need protection board.If you have it, please unload.Installation Introduction:1.Circuit board B- connects power negative, B+ connects positive.Don't inly connect,it will result in burning of board. Power is series ,so please make sure the insulation between power and circuit when install the battery2.Double pre the switch,flight LED light starts,then double pre tyrn it off3.Double pre starts flight,then pre once,light will be lighting.Then touch once start SOS mode,and pre one more time turn off LED4.2A output is not continuous current,it changes according to USB connecting load automatic current output5.Insurance reisitor.If battery connects incorrectly,the polarity will burn. Shping list:1pcs x 5V 2A Charger Module Charging Circuit Board Step Up Boost Power Supply Module 2A Dual USB Output 1A Input Converter

About shping
Shping and Pack 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). 

Special Announcement:
Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resoe the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties or taxes. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .

Your 100% satisfaction is very ant to us
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.