Specification: _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Type: Voltage Regulator _x005f_x000D_ Condition: New _x005f_x000D_ Application: TV _x005f_x000D_ Supply Voltage: DC 3-6 V _x005f_x000D_ Model Number: Lithium Battery Charger Module _x005f_x000D_ Type(optional): _x005f_x000D_ 2 strings 1A/2 strings 2A/2 strings 4A/3 strings 1A/3 strings 2A/3 strings 4A/4 strings 1A/4 strings 2A/4 strings 4A _x005f_x000D_ Product Description: _x005f_x000D_  2S 3S 4S Type-C to 8.4V 12.6V 16.8V Boost LiPo Polymer Li-ion Charger 7.4V 11.1V 14.8V 18650 LiPo Battery _x005f_x000D_ Range: _x005f_x000D_ 2-Cell (2S) 8.4V Version: _x005f_x000D_ Input voltage: DC 3-6V (DC 3.7V 5V recommended) _x005f_x000D_ Input current: 1A(1A Version);2A(2A Version);4A(4A Version) _x005f_x000D_ Charging voltage: 8.4V _x005f_x000D_ Charge current: 0.55A(1A Version);1.1A(2A Version);2.2A(4A Version) _x005f_x000D_ 3-Cell(3S) 12.6V Version: _x005f_x000D_ Input Voltage: DC 3-6V (DC 3.7V 5V recommended) _x005f_x000D_ Input current: 1A(1A Version);2A(2A Version);4A(4A Version) _x005f_x000D_ Charging voltage: 12.6V _x005f_x000D_ Charge current: 0.37A(1A Version);0.74A(2A Version);1.48A(4A Version) _x005f_x000D_ 4-Cell(4S) 16.8V Version: _x005f_x000D_ Input Voltage: DC 3-6V (DC 3.7V 5V recommended) _x005f_x000D_ Input current: 1A(1A Version);2A(2A Version);4A(4A Version) _x005f_x000D_ Charging voltage: 16.8V _x005f_x000D_ Charging current: 0.28A(1A Version);0.56A(2A Version);1.12A(4A Version) _x005f_x000D_ Battery over-voltage protection. _x005f_x000D_ LED indicators: "CR" LED for charging status indication _x005f_x000D_ "OK" LED for full or constant voltage mode; _x005f_x000D_ Operating ambient temperature: -40°C to +85°C _x005f_x000D_ Product size: 39 x 18 x 6mm/1.5 x 0.7 x 0.2inch _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 x Lithium Battery Charger Module 1. Multiple Options: Our Lithium Battery Charger Module offers multiple options, allowing customers to choose the specific module that meets their particular needs. This ensures that customers can find the right module for the job and avoid wasting money on unnecessary features. 2. Versatile: Our battery charging board can be used in a wide range of applications, including charging lithium batteries for electric vehicles, drones, power tools, and more. This versatility makes it an ideal accessory for anyone who regularly works with lithium batteries. 3. High Safety Performance: Our step-up boost LiPo polymer charger has a high safety performance, including over-voltage protection, over-current protection, short circuit protection, and temperature protection. These safety features help protect against damage to your battery and ensure safe operation. 4. Easy to Use: Our lithium battery charger module is simple to understand and operate, making it easy for even novices to use. It requires no complex setup or installation and can be used with minimal effort. 5. Battery Overvoltage Protection: Our Li-ion charger has a built-in battery overvoltage protection feature, which helps prevent damage to your battery caused by overcharging. This feature helps prolong the life of your battery and ensure its continued reliability.