TP5100 4.2V 8.4V single and double cell lithium Battery charging lithium battery 2A charging board equivalent TP4056

Double 8.4v / 4.2v lithium rechargeable

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, undervoltage 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 

• Double 8.4v / 4.2v lithium rechargeable
• 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, undervoltage 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