TP4056 1A Lithium Ion Battery Charger Module


This module is made for charging 18650 rechargeable Li-ion battery pack and regulates battery powers.

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SKU: MDU-REG-BMS-TP4056 Category: Tags: , , , ,


This module is designed for charging lithium-ion battery pack. If your project has a rechargeable battery pack that need to be charged regularly, this module is suitable for your need!


This module is pretty straightforward, but safety precaution must be practiced at all time especially handling lithium ion batteries, mishandling the battery may cause collateral damage. Safety precautions such as ensure the module and battery are not touching any metal surface that conducts electricity to prevent short-circuit, keep the module and battery away from moisture, heat, direct sunlight exposure, etc.


  • Recommended Input voltage : 4.5 – 5.5V
  • Maximum input voltage : 8V
  • Full charging voltage : 4.2V ?1%
  • Maximum charging currnet : 1000mA
  • Battery under-depletion voltage protection : 2.5V
  • Battery overcurrent protection : 3A
  • Operating Temperature : -40 to +85?C
  • Dimension : 28 x 17 mm
  • Charging will stop at full charging voltage



Pin LabelConnectionMeaning
+Positive terminal of sourceInput Source, connects to source power
Negative terminal of sourceInput Ground, connects to source ground
OUT+Positive terminal of next deviceOutput power to next device, usually a step-up module positive terminal
OUT-Negative terminal of next deviceOutput ground to next device, usually a step-up module negative terminal
B+Anode of battery packPositive terminal of battery pack
B-Cathode of battery packNegative terminal of battery pack

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Additional information

Weight10 g