5pcs 5V Boost Converter Step-Up Power Module Lithium Battery Charging

Product Introduction:

1.Input Voltage: 3.7V~5.5V 2.Charging Current: 1A(max) 3.Output Current: 1A(max) 4.Output voltage: 5V 5.BAT Discharging Stop Voltage: 2.9V 6.Discharging Efficiency: 85%(input 3.7V output 5V/1A) Features:

1.Charging and discharging indication 2.Internally installed charging and discharging power MOS 3.Preset 4.2V charging voltage, precision ±1% 4.Max 8uA standby current 5.Integration charging management and discharging management 6.Intelligent temperature control and overtemperature protection 7.Integration output overvoltage protection,short coircuit protection,overload protection 8.Integration overcharging and overdischarging protection 9.Support trickle mode and zero voltage charging

When charging :red light flashing; Full charged :red light light for a long time.

About shipping
Shipping and Packaging All itwill be double checked and well packed before sending.Itwill 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 resolve 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 ores. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .

Your 100% satisfaction is very important 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.