DIY 18650 21700 3.7V Lithium Battery Step-Up Boost LiPo Polymer Li-Ion Charger.



Description

Dimensions 39mm x 18mm x 6.3mm
Weight: 5g
Material:PCB
Color:Green
Packing:1PC  lithium ion battery charger
Features:
1: Various choices, customers choose what they need according to different needs
2: Wide range of applications
3: High safety performance
4: Simple and easy to understand, easy to operate
5: Battery overvoltage protection
Parameter Description:
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 (version 1A); 0.56A (version 2A); 1.12A (version 4A)
Switching frequency up to 1MHz
Quasi-CV mode compensates for battery internal resistance voltage loss and trace resistance battery
automatic recharge
Protection voltage below input and battery short circuit

Good adaptability to input power

 limited drive capability

Battery overvoltage protection
LED indicator: "CR" LED is the charging status indicator
"OK" LED fully charged or constant voltage mode;

Working ambient temperature -40°C to +85°C

DIY 18650 21700 3.7V Lithium Battery Step-Up Boost LiPo Polymer Li-Ion Charger Multi-Cell 2S 3S 4S 5V Type-C To 8.4V 12.6V 16.8V



Payment

  • We accept PayPal only.
  • We only ship item to your PayPal verified address.
  • Please make payment asap, then we can arrange shipment for you asap.


Shipping

Thanks for your bid

* We always send the item to the address you give us on PAYPAL to ensure the security of the item. If you have changed your address, or want us to ship to another address, please change to the new address when you pay us with PAYPAL, otherwise we will not be responsible if the package is lost.

* We ship items to Worldwide. Thank you.

Notes:
* We will NOT be responsible for any delay during delivery including but not limited to customs postage checking, strike, force majeure etc.
* As a buyer, it is your duty to pay the tax when you make a order from abroad. Our price  does not include taxes, VAT, or other hidden charges. 


Terms of Sale

International Buyers Please Note: 

* Import duties, taxes and charges are not included in the itemprice or shipping charges. These charges are the buyer responsibility.  

*  Please check with your country customs office to determine what these additional costs will be prior to bidding/buying. 

 We will carefully test every item before shipment.The quality is guaranteed! 



About Us

  • Our working time: Hong Kong time: Monday to Saturday 9:00 am to 6:00 pm. 

  • Any questions, please contact us via eBay message, In our working hours will be resumed within 24 hours. 

  • We will do our best to solve your problem. 
Dimensions 39mm x 18mm x 6.3mm
Weight: 5g
Material:PCB
Color:Green
Packing:1PC  lithium ion battery charger
Features:
1: Various choices, customers choose what they need according to different needs
2: Wide range of applications
3: High safety performance
4: Simple and easy to understand, easy to operate
5: Battery overvoltage protection
Parameter Description:
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 (version 1A); 0.56A (version 2A); 1.12A (version 4A)
Switching frequency up to 1MHz
Quasi-CV mode compensates for battery internal resistance voltage loss and trace resistance battery
automatic recharge
Protection voltage below input and battery short circuit

Good adaptability to input power

 limited drive capability

Battery overvoltage protection
LED indicator: "CR" LED is the charging status indicator
"OK" LED fully charged or constant voltage mode;

Working ambient temperature -40°C to +85°C

DIY 18650 21700 3.7V Lithium Battery Step-Up Boost LiPo Polymer Li-Ion Charger Multi-Cell 2S 3S 4S 5V Type-C To 8.4V 12.6V 16.8V

PAYMENT

  • We accept PayPal only.
  • We only ship item to your PayPal verified address.
  • Please make payment asap, then we can arrange shipment for you asap.

SHIPPING

Thanks for your bid

* We always send the item to the address you give us on PAYPAL to ensure the security of the item. If you have changed your address, or want us to ship to another address, please change to the new address when you pay us with PAYPAL, otherwise we will not be responsible if the package is lost.

* We ship items to Worldwide. Thank you.

Notes:
* We will NOT be responsible for any delay during delivery including but not limited to customs postage checking, strike, force majeure etc.
* As a buyer, it is your duty to pay the tax when you make a order from abroad. Our price  does not include taxes, VAT, or other hidden charges. 

Terms of Sale

International Buyers Please Note: 

* Import duties, taxes and charges are not included in the itemprice or shipping charges. These charges are the buyer responsibility.  

*  Please check with your country customs office to determine what these additional costs will be prior to bidding/buying. 

 We will carefully test every item before shipment.The quality is guaranteed! 


ABOUT US
  • Our working time: Hong Kong time: Monday to Saturday 9:00 am to 6:00 pm. 

  • Any questions, please contact us via eBay message, In our working hours will be resumed within 24 hours. 

  • We will do our best to solve your problem.