Sạc Li-ion 1S với MicroUSB và kẹp cá sấu

1S Li-ion charger

Universal charger 1S Li-Ion.
You can use alligator clips, a DC connector, or whatever you need.

BOM:

• 1S li-ion charger based on TP4056
• DC cable
• DC jack
• Alligator clips
• 2x M3 screw
• 2x M3 heat inserts

Basic specifications from the datasheet

• Input: Micro USB female or + and - solder terminals
• Input voltage: 4.5-6V (recommended voltage 5V)
• Charge cut-off voltage: 4.2V + / - 1%
• Maximum charging current output: 1000mA (can be adjusted by changing the value of Rprog resistor)
• Battery overcharge protection voltage: 4.3V
• Battery discharge protection voltage: 2.4V
• Battery over-current protection level: 3A
• Indicator LEDs:
  • Red: Charging in progress
  • Blue: Power on, charge complete
• Working temperature: -10C - +85C