DIY 18650 3.7V 5V Lithium Battery Step-Up Boost Lo Polymer Li-Ion Charger Multi-Cell 2S 3S 4S 5V Type-C To 8.4V 12.6V 16.8V

Features: 1: Various choices, customers can choose what they need according to different needs 2: Wide range of uses 3: High safety performance 4: Easy to understand and easy to operate 5: Battery overvoltage protection 6: With terminals, it is more convenient to use 2-Cell(2S) 8.4V version: Input voltage: DC 3-6V (recommended DC 3.7V 5V) Input current: 1A(1A Version);2A(2A Version);4A(4A Version) Charging voltage : 8.4V Charging current: 0.55A(1A Version);1.1A(2A Version);2.2A(4A Version) 3-Cell(3S) 12.6V version: Input voltage: DC 3-6V (recommended DC 3.7V 5V) Input current: 1A(1A Version);2A(2A Version);4A(4A Version) Charging voltage: 12.6V Charging current: 0.37A(1A Version);0.74A(2A Version);1.48A(4A Version) 4-Cell(4S) 16.8V version: Input voltage: DC 3-6V (recommended DC 3.7V 5V) Input current: 1A(1A Version);2A(2A Version);4A(4A Version) Charging voltage: 16.8V Charging current: 0.28A(1A Version);0.56A(2A Version);1.12A(4A Version) Battery overvoltage protection LED indicator: ''CR'' LED is charging status indicator ''OK'' LED is fully charged or in constant voltage mode; Working ambient temperature -40°C to +85°C Application: Notebook li-on lithium battery 18650 Mobile phone solar charging Audio equment Portable device Electric fan TYPE-C charging equment, etc. Package included: 1 x Polymer Li-Ion Charger

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.