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How to better solder 18650 battery

How to better solder 18650 battery

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For friends who love electronics, 18650 battery is naturally no stranger. For hobbyists, sometimes it is necessary to solder 18650 battery with electric soldering iron.

For friends who love electronics, 18650 battery is naturally no stranger. For hobbyists, sometimes it is necessary to solder 18650 battery with electric soldering iron. Many people will say that soldering 18650 battery with electric soldering iron is unsafe and not strong. It is not cost-effective to buy a spot welder for welding a battery alone.

good price and quality 18650 battery products
So some people have said that when soldering with a soldering iron, covering the battery shell with a layer of damp cloth will reduce the damage to the battery cells caused by the heat generated during the soldering process! Can this really be reduced? I personally think that it has a certain effect, but it will still cause some damage to the battery.
But the most important part is not this, but the time to control the welding process, this is the most critical point. (It's only my personal opinion, if you have different opinions and better solutions, you can comment, and you can learn and make progress together)
Common people welding 18650 battery operate like this: take a piece of emery cloth or a sharp object, and polish the two stages of the battery, so that its two-stage nickel-plated rigid shell becomes rough and uneven, so that it is more convenient to solder and tin plating. To be sure, this is a very good method, but it also has its shortcomings, that is, it is not strong and easy to fall off.
The 18650 battery manufacturer tells you that it is recommended that you buy flux at this time. The auxiliary soldering with flux is not only convenient and fast, but also very strong.
Precautions:
The 18650 battery manufacturer tells you that no matter which method you use, you should pay attention to the welding time. It must be fast enough to reduce the damage to the battery. Of course, you can also wrap the battery shell with a damp cloth, which has a little effect.
The manufacturer of 18650 battery tells you that when choosing electric soldering iron, try to choose a 60W electric soldering iron. The power is relatively large, which can make the solder wire melt quickly, and the solder joints after soldering are smooth and round (whether the solder joints are bright or not The soldering tin also has a certain relationship) so as to avoid the damage to the battery caused by heating the solder wire for a long time to cause the heating of the lithium battery.
The manufacturer of 18650 battery tells you that if you want to use flux, you must pay attention to clean the two stages of the battery before applying it, so that the effect will be even better. Tinning the wires in advance can also reduce the welding time.
Today’s article 18650 battery manufacturers will share this, if there are any deficiencies, welcome to add.