TP5100 module is a charging circuit of 4.2v or 8.4v Single Double Lithium Battery or 18650 cells.Management Li-ioon Battery Compatible 2A Charging Board is a double switch buck 8.4V, single cell 4. 2V lithium battery charge management chip. By default its 3.7v charging but when you connect its .4v set it becomes 7.4v charging circuit. In photos we have provide its details.
TP5100 has 5V-15V wide input voltage, dual battery trickle charge into pre-charge, constant current, constant voltage three-phases, pre-charge current trickle charge current through an external resistor adjustment, the maximum charge current up to 2A.
 
TP5100 with a frequency of 400kHz switching mode makes it possible to use a smaller outer Suo device, and the large current charging still maintains a smaller amount of heat.
TP51OO built-in power PMOSFET, anti-intrusion circuit, so no anti-intrusion protection, and another external Schottky diode.
 
TP5100 has In-built Protections
Overcurrent protection
Under-voltage protection
Over-temperature protection
Short circuit protection
Battery temperature monitoring
Reverse polarity protection.
 
Features:
Input voltage: 5-15V DC power supply.
Charge status: full and unloaded blue lights, charging red.
Double 8.4v / 4.2v lithium rechargeable single .
Programmable charge current. 0. 1A-2A.
Programmable steady precharge current 10% -100%.
Wide operating voltage, maximum reach I8V.
Red and green LED charge status indicator.
Chip temperature protection, overcurrent protection, under-voltage protection.
Battery temperature protection, reverse battery shutdown, short circuit protection.
Switching frequency 400Khz, usable inductance 20uH, and more.
PWR_ON Power battery for switching control.