How to Solder LiPo Tabs

Written by stephen benham
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How to Solder LiPo Tabs
Ensure the surfaces are clean so you get a good soldered joint. (Jupiterimages/ Images)

Lithium polymer (LiPo) batteries are often combined into a battery pack to increase voltage. This is certainly the case if you're a remote control (RC) enthusiast and chances are you prefer to build your own battery pack to match the energy requirements of your RC model. It's important that the LiPo batteries are wired together securely, so using the right connectors is necessary. Soldering metal tabs to the LiPo battery terminals enables you to subsequently wire the batteries together in a professional manner.

Skill level:
Moderately Easy

Things you need

  • Sandpaper
  • Clean cloth
  • Soldering iron
  • Solder

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  1. 1

    Carefully rub the terminals on the LiPo batteries using very fine sandpaper. This slightly roughens the metal terminals, ensuring you get a good solder joint. Wipe off any dust and grease from the terminals using a clean, dry cloth.

  2. 2

    Heat a soldering iron. Place the tip of the soldering iron onto one of the terminals on your LiPo battery and at the same time introduce a small amount of solder. Let the solder melt and coat the terminal; then immediately remove the soldering iron and solder. Do this on all the LiPo battery terminals. Do not leave the soldering iron on the terminal for long; the heat can damage your LiPo batteries.

  3. 3

    Place the metal tabs on a heat-resistant work surface. Wipe them using a clean cloth to remove any dirt or grease that may have accumulated. Put the tip on the end of the soldering iron onto the tab along with the solder. Let the solder melt onto the tab; then remove the solder and soldering iron. Let the tabs cool completely.

  4. 4

    Place one of the tabs onto a LiPo battery terminal. Ensure the soldered side of the tab is placed on the solder terminal so you have solder and solder together.

  5. 5

    Place the soldering iron on top of the tab on the battery terminal. Let the heat permeate through to the solder until it melts; then remove the soldering iron. Allow the battery to cool. Repeat the process by placing each tab onto a battery terminal and then soldering the tab and terminal together.

  6. 6

    Turn off the soldering iron, unless you are intending to wire the LiPo batteries together. Allow all the batteries to cool completely before proceeding.

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