charging lithium ion battery packs

  1. E

    3.3V battery pack / charging solution

    Hi folks! So I'm looking into the following, but having a very hard time finding any (remotely) definitive answers. For my smart home, I'm looking to integrate more and more sensors that can relay all sorts of information. Most of these sensors I create myself using ESP32's and the like...
  2. E

    Charge two 18650 using single tp4056

    I have two 18650 batteries to charge using TP4056. I have seen in at many posts like people are using individual tp4056 charging module for each 18650 battery and also observed like some are using single module to charge two 18650 battery. Is it fine to use single tp4056 charger circuit to...
  3. D

    how build a simple charger

    hello everyone , for educational goals we want to make a simple charging board which charge simple 3.7 V mobile batteries ... i have some question for example what happened if i directly connect that battery to 5V 2A ? will charge correctly ? will battery damaged ? what's the correct form to...
  4. LightChaser

    Appropriate charging method and wire pinout? (lithium ion battery pack.)

    Hello there. I have a lithium ion pack that I would like to use in a project to power lights for my bicycle. But I don't fully understand the pinout of the wires. Could someone explain to me how to connect wires up so I can charge this battery.? Also what type of charger I should use to charge...